computer assisted radiographic image interpretation
Summary: Computer systems or networks designed to provide radiographic interpretive information.
Publications264 found, 100 shown here
- Evaluation of deformable registration of patient lung 4DCT with subanatomical region segmentationsZiji Wu
Department of Radiation Oncology, Massachusetts General Hospital, 55 Fruit Street, Boston, Massachusetts 02114, USA
Med Phys 35:775-81. 2008..Statistical analyses of the mismatch of the homologous points before and after registration demonstrated improved overall accuracy for both algorithms...
- Computer recognition of regional lung disease patternsR Uppaluri
Department of Electrical and Computer Engineering and Radiology, Divison of Pulmonary, Department of Internal Medicine, The University of Iowa, Iowa City, Iowa, USA
Am J Respir Crit Care Med 160:648-54. 1999..62. For regional tissue characterization, the AMFM is 100% reproducible and performs as well as experienced human observers who have been told the patient diagnosis...
- Colorectal cancer: texture analysis of portal phase hepatic CT images as a potential marker of survivalKenneth A Miles
Division of Clinical and Laboratory Sciences, Clinical Imaging Sciences Centre, Brighton and Sussex Medical School, University of Sussex, Falmer, Brighton, United Kingdom
Radiology 250:444-52. 2009....
- Patient-specific models for lung nodule detection and surveillance in CT imagesM S Brown
Department of Radiological Sciences, University of California, Los Angeles 90095, USA
IEEE Trans Med Imaging 20:1242-50. 2001..The system automatically detected 16 out of a possible 20 (80%) of new nodules on follow-up scans with ten FPs per case...
- Analysis of deformable image registration accuracy using computational modelingHualiang Zhong
Department of Radiation Oncology, Henry Ford Health System, Detroit, Michigan 48202, USA
Med Phys 37:970-9. 2010....
- Low-dose megavoltage cone-beam CT for radiation therapyJean Pouliot
Department of Radiation Oncology, University of California San Francisco, CA 94143 1708, USA
Int J Radiat Oncol Biol Phys 61:552-60. 2005....
- Automatic lung segmentation for accurate quantitation of volumetric X-ray CT imagesS Hu
Department of Biomedical Engineering, University of Iowa, Iowa City 52242, USA
IEEE Trans Med Imaging 20:490-8. 2001..8 pixels (0.54 mm). The mean intrasubject change in tissue content over the three scans was 2.75% +/- 2.29% (mean +/- standard deviation)...
- Computer-aided detection with screening mammography in a university hospital settingRobyn L Birdwell
Department of Radiology, S092, Stanford University Medical Center, 300 Pasteur Dr, Stanford, CA 94305 5105, USA
Radiology 236:451-7. 2005..To prospectively assess the effect of computer-aided detection (CAD) on screening mammogram interpretation in an academic medical center to determine if the outcome is different than that previously reported for community practices...
- Initial evaluation of coronary images from 320-detector row computed tomographyFrank J Rybicki
Noninvasive Cardiovascular Imaging, Brigham and Women s Hospital, Boston, MA 02115, USA
Int J Cardiovasc Imaging 24:535-46. 2008..Patient dose is estimated for prospective and retrospective ECG-gating; initial correlation between 320-slice CT and coronary catheterization is illustrated...
- Novel use of single X-ray absorptiometry for measuring breast densityJohn A Shepherd
Musuloskeletal and Quantitative Imaging Research Group, Department of Radiology, University of California, San Francisco, CA 94143, USA
Technol Cancer Res Treat 4:173-82. 2005..Using phantoms, BD(SXA) has been shown to have a long-term repeatability of better than 2% for a breast composition range of 0 to 100% fibroglandular density...
- Computer-aided detection for screening mammographySusan M Astley
University of Manchester, Imaging Science and Biomedical Engineering, Stopford Building, Oxford Road, Manchester M13 9PT, UK
Acad Radiol 11:1139-43. 2004..This article is a brief review of CAD for screening mammography; it highlights both the strengths and the weaknesses of the approach, and describes some of the methodologies used to evaluate CAD in a clinical setting...
- Validation of CT dose-reduction simulationParinaz Massoumzadeh
Mallinckrodt Institute of Radiology, Washington University School of Medicine, 510 South Kingshighway, St Louis, Missouri 63110, USA
Med Phys 36:174-89. 2009..The methodology promises to be a useful tool for researchers and radiologists to explore dose reduction protocols in an effort to produce diagnostic images with radiation dose "as low as reasonably achievable"...
- Impact of breast density on computer-aided detection for breast cancerRachel F Brem
Department of Radiology, The George Washington University, 2150 Pennsylvania Ave NW, Washington, DC 21117, USA
AJR Am J Roentgenol 184:439-44. 2005..Our aim was to determine whether breast density affects the performance of a computer-aided detection (CAD) system for the detection of breast cancer...
- Visual search of mammographic images: influence of lesion subtletyElizabeth A Krupinski
Department of Radiology, University of Arizona, Tucson, 85724, USA
Acad Radiol 12:965-9. 2005..The goal of this study is to determine whether mammographic lesion subtlety influences the detection accuracy and visual search parameters of radiologists...
- A calibration approach to glandular tissue composition estimation in digital mammographyJ Kaufhold
General Electric Global Research Center, Niskayuna, New York 12309, USA
Med Phys 29:1867-80. 2002..The error in composition due to the quantum noise, which is the limiting noise source in the system, is shown to be less than 1% glandular for most breasts...
- Low-dose CT coronary angiography in the step-and-shoot mode: diagnostic performanceH Scheffel
Institute of Diagnostic Radiology, University Hospital Zurich, Raemistr 100, 8091 Zurich, Switzerland
Heart 94:1132-7. 2008....
- Prospective versus retrospective ECG-gated 64-detector coronary CT angiography: assessment of image quality, stenosis, and radiation doseNobuhiko Hirai
Department of Clinical Radiology, Hiroshima University Hospital, Hiroshima, Japan
Radiology 248:424-30. 2008....
- Reproducibility--an important factor determining the quality of computer-aided detection (CAD) systemsA Malich
Institute of Diagnostic and Interventional Radiology, Friedrich Schiller University Jena, Bachstrasse 18, 07740 Jena, Germany
Eur J Radiol 36:170-4. 2000..To test the reproducibility of markings on mammography films set by a commercial computer aided detection (CAD) system...
- Noninvasive coronary angiography with 64-section CT: effect of average heart rate and heart rate variability on image qualitySebastian Leschka
Institute of Diagnostic Radiology, the Clinic for Cardiovascular Surgery, and the Cardiovascular Center, University Hospital Zurich, Raemistrasse 100, CH 8091 Zurich, Switzerland
Radiology 241:378-85. 2006..To evaluate prospectively the effect of average heart rate and heart rate variability on image quality at 64-section computed tomographic (CT) coronary angiography...
- Computer analysis of computed tomography scans of the lung: a surveyIngrid Sluimer
Image Sciences Institute, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
IEEE Trans Med Imaging 25:385-405. 2006..In addition, research trends and challenges are identified and directions for future research are discussed...
- Automated detection of lung nodules in CT scans: effect of image reconstruction algorithmSamuel G Armato
Department of Radiology, The University of Chicago, 5841 South Maryland Avenue, Chicago, Illinois 60637, USA
Med Phys 30:461-72. 2003..When applied to the databases in this manner, the automated method demonstrated overall a similar level of performance, indicating an encouraging degree of robustness...
- Influence of heart rate and temporal resolution on left-ventricular volumes in cardiac multislice spiral computed tomography: a phantom studyAndreas H Mahnken
Department of Diagnostic Radiology, RWTH Aachen University, Germany
Invest Radiol 41:429-35. 2006..We sought to investigate the influence of heart rate and temporal resolution on the assessment of left-ventricular (LV) function with multislice spiral computed tomography (CT)...
- Computer-aided diagnosis and the evaluation of lung diseaseJane P Ko
Division of Thoracic Imaging, Department of Radiology, New York University Medical Center, New York, NY 10016, USA
J Thorac Imaging 19:136-55. 2004
- Accuracy of finite element model-based multi-organ deformable image registrationK K Brock
Radiation Medicine Program, Princess Margaret Hospital, University Health Network, 610 University Avenue, Toronto, Ontario, Canada M5G 2M9
Med Phys 32:1647-59. 2005....
- Use of computer-aided detection (CAD) tools in screening mammography: a multidisciplinary investigationE Alberdi
Centre for Software Reliability and Psychology Department, City University, Northampton Square, London EC1V 0HB
Br J Radiol 78:S31-40. 2005..We integrate insights from the different pieces of evidence and highlight their implications for the design, evaluation and deployment of this sort of computer tool...
- Quantitative assessment of breast density from digitized mammograms into Tabar's patternsN Jamal
Medical Technology Division, Malaysian Institute for Nuclear Technology Research MINT 43000 Kajang, Malaysia
Phys Med Biol 51:5843-57. 2006..The technique may be useful as a supplement to the radiologist's assessment in classifying mammograms into Tabar's pattern associated with breast cancer risk...
- Application of the noise power spectrum in modern diagnostic MDCT: part I. Measurement of noise power spectra and noise equivalent quantaK L Boedeker
University of California, Los Angeles, USA
Phys Med Biol 52:4027-46. 2007..NPS and NEQ under a variety of conditions are examined. Extensions of NPS and NEQ to uses in protocol standardization are also discussed...
- Multi-detector row CT of left ventricular function with dedicated analysis software versus MR imaging: initial experienceKai Uwe Juergens
Department of Clinical Radiology, University of Muenster, Albert Schweitzer Strasse 33, D 48149 Muenster, Germany
Radiology 230:403-10. 2004....
- Computer-aided classification of interstitial lung diseases via MDCT: 3D adaptive multiple feature method (3D AMFM)Ye Xu
Department of Radiology, University of Iowa, CC701, General Hospital, Iowa City, IA 52242, USA
Acad Radiol 13:969-78. 2006..In this project, we have further developed a computer-aided detection tool, the adaptive multiple feature method (AMFM), for the detection of interstitial lung diseases based on MDCT-generated volumetric data...
- Performance testing of several classifiers for differentiating obstructive lung diseases based on texture analysis at high-resolution computerized tomography (HRCT)YoungJoo Lee
Department of Industrial Engineering, Seoul National University, Seoul 151 742, Republic of Korea
Comput Methods Programs Biomed 93:206-15. 2009..05). The naïve Bayesian method performed significantly worse than the other classifiers (t-test, p<0.05). SVM showed the best performance for classification of the obstructive lung diseases in this study...
- Texture-based quantification of pulmonary emphysema on high-resolution computed tomography: comparison with density-based quantification and correlation with pulmonary function testYang Shin Park
Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea
Invest Radiol 43:395-402. 2008..To develop a system for texture-based quantification of emphysema on high-resolution computed tomography (HRCT) and to compare it with density-based quantification in correlation with pulmonary function test (PFT)...
- CAD for mammography: the technique, results, current role and further developmentsAnsgar Malich
Institute of Diagnostic Radiology, Suedharz Krankenhaus Nordhausen, R Koch Str 39, 99374, Nordhausen, Germany
Eur Radiol 16:1449-60. 2006....
- Evaluation of an automated deformable image matching method for quantifying lung motion in respiration-correlated CT imagesA Pevsner
Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, New York 10021, USA
Med Phys 33:369-76. 2006..This method has therefore the potential for predicting and quantifying respiration-induced tumor motion in the lung...
- Development of an automatic classification system for differentiation of obstructive lung disease using HRCTNamkug Kim
Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, 388 1, Pungnap2 Dong, Songpa Gu, Seoul, 138 736, Republic of Korea
J Digit Imaging 22:136-48. 2009..In addition, the shape features contribute more to overall sensitivity in smaller ROI...
- Dual-source CT with improved temporal resolution in assessment of left ventricular function: a pilot studyHarald Brodoefel
Department of Diagnostic Radiology, Eberhard Karls University, Hoppe Seyler Str 3, 72076 Tubingen, Germany
AJR Am J Roentgenol 189:1064-70. 2007....
- Bone strength at the distal radius can be estimated from high-resolution peripheral quantitative computed tomography and the finite element methodJoshua A MacNeil
Department of Mechanical and Manufacturing Engineering, Schulich School of Engineering, University of Calgary, Calgary, Canada
Bone 42:1203-13. 2008....
- Automated 3-D PDM construction from segmented images using deformable modelsMichael R Kaus
Philips Research Laboratories, Sector Technical Systems, Hamburg, Germany
IEEE Trans Med Imaging 22:1005-13. 2003..The adaptation is based on a novel deformable model technique. We illustrate our approach using computed tomography data of the vertebra and the femur. We demonstrate that our method accurately represents and predicts shapes...
- Quantifying the accuracy of automated structure segmentation in 4D CT images using a deformable image registration algorithmKrishni Wijesooriya
Department of Radiation Oncology, Virginia Commonwealth University, Richmond, Virginia 23284, USA
Med Phys 35:1251-60. 2008..Careful assessment of the performance of automatic algorithms is needed in the presence of 4D CT artifacts...
- Effect of breast density on computer aided detectionAnsgar Malich
Institute of Diagnostic and Interventional Radiology, Friedrich Schiller University Jena, Bachstr 18, 7740 Jena, Germany
J Digit Imaging 18:227-33. 2005....
- Coronary artery calcium: a multi-institutional, multimanufacturer international standard for quantification at cardiac CTCynthia H McCollough
Department of Radiology, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
Radiology 243:527-38. 2007..To develop a consensus standard for quantification of coronary artery calcium (CAC)...
- A local adaptive threshold strategy for high resolution peripheral quantitative computed tomography of trabecular boneAndrew J Burghardt
Musculoskeletal Quantitative Imaging Research Group, Department of Radiology, University of California, San Francisco, CA 94158, USA
Ann Biomed Eng 35:1678-86. 2007....
- Automated contour mapping using sparse volume sampling for 4D radiation therapyMing Chao
Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California 94305 5847, USA
Med Phys 34:4023-9. 2007..The robustness and accuracy of this approach make it a valuable tool for the efficient use of the available spatial-tempo information for 4D simulation and treatment...
- How extensive of a 4D dataset is needed to estimate cumulative dose distribution plan evaluation metrics in conformal lung therapy?Mihaela Rosu
The University of Michigan, Department of Radiation Oncology, Ann Arbor Michigan 48109 0010, USA
Med Phys 34:233-45. 2007....
- MDCT angiography for detection and quantification of small intracranial arteries: comparison with conventional catheter angiographyJ Pablo Villablanca
Department of Radiological Sciences, David Geffen School of Medicine at the University of California, Los Angeles, 10833 Le Conte Ave, Rm B3 115 CHS, Los Angeles, CA 90095 1721, USA
AJR Am J Roentgenol 188:593-602. 2007..Our goal was to achieve a better understanding of the capabilities and limitations of both MDCT angiography and digital subtraction angiography in the evaluation of intracranial arteries with an average diameter of 1.5 mm or less...
- Multi-detector row CT attenuation measurements: assessment of intra- and interscanner variability with an anthropomorphic body CT phantomBernard A Birnbaum
Department of Radiology, New York University Medical Center, 560 First Ave, IRM 232, New York, NY 10016, USA
Radiology 242:109-19. 2007..To determine the dependence of absolute computed tomographic (CT) attenuation values on multi-detector row CT scanner type, convolution kernel, and tube current by using an anthropomorphic phantom...
- Effective x-ray attenuation measurements with full field digital mammographyJohn J Heine
The H Lee Moffitt Cancer Center and Research Institute, 12902 Magnolia Drive, Tampa, Florida 33612 4799, USA USA
Med Phys 33:4350-66. 2006..The work indicates that it is possible to make quantitative attenuation coefficient measurements from a system designed for clinical purposes...
- Step-and-shoot data acquisition and reconstruction for cardiac x-ray computed tomographyJiang Hsieh
GE Healthcare Technologies, Waukesha, Wisconsin 53188, USA
Med Phys 33:4236-48. 2006..Computer simulations, phantom experiments, and clinical studies were conducted to validate our approach...
- Accurate scaling of digital radiographs of the pelvis. A prospective trial of two methodsS Wimsey
Department of Orthopaedic Surgery, Queen Alexandra Hospital, Portsmouth PO6 3LY, UK
J Bone Joint Surg Br 88:1508-12. 2006..99% (0% to 16.67%). The coin method was significantly more accurate (p < 0.001). It was also reliable and radiographer friendly. We recommend it as the method of choice for scaling radiographs of the pelvis before hip surgery...
- CT virtual intravascular endoscopy in the visualization of fenestrated stent-graftsZhonghua Sun
Discipline of Medical Imaging, Department of Imaging and Applied Physics, Curtin University of Technology, Perth, Western Australia 6845, Australia
J Endovasc Ther 15:42-51. 2008..To report the diagnostic value of computed tomographic (CT) virtual intravascular endoscopy (VIE) in the assessment of patients with abdominal aortic aneurysm (AAA) treated with fenestrated endovascular grafts...
- Computer-aided detection of pulmonary embolism: influence on radiologists' detection performance with respect to vessel segmentsMarco Das
Department of Diagnostic Radiology, RWTH Aachen University, Pauwelsstr 30, 52072 Aachen, Germany
Eur Radiol 18:1350-5. 2008..0001). CAD performance at the lobar level was 87%, at the segmental 90% and at the subsegmental 77%. With the use of CAD for PE, the detection performance of radiologists can be improved...
- Improved cancer detection using computer-aided detection with diagnostic and screening mammography: prospective study of 104 cancersJudy C Dean
AJR Am J Roentgenol 187:20-8. 2006....
- Dual-source CT cardiac imaging: initial experienceThorsten R C Johnson
Department of Clinical Radiology, University of Munich Grosshadern Campus, Marchioninistrasse 15, 81377, Munich, Germany
Eur Radiol 16:1409-15. 2006..Dual-source CT offers very robust diagnostic image quality in a wide range of heart rates. The high temporal resolution now also makes a functional evaluation of the heart valves and myocardium possible...
- Automated classification of lung bronchovascular anatomy in CT using AdaBoostRobert A Ochs
Department of Biomedical Physics, University of California Los Angeles, CA 90095, USA
Med Image Anal 11:315-24. 2007..009, 0.945+/-0.018, 0.953+/-0.016, and 0.931+/-0.015, respectively. The strong results suggest that this could be an effective input to higher-level anatomical based segmentation models with the potential to improve CAD performance...
- Removal of arterial wall calcifications in CT angiography by local subtractionMarcel van Straten
Department of Medical Physics, Academic Medical Center, PO box 22660 1100 DD, Amsterdam, The Netherlands
Med Phys 30:761-70. 2003..We conclude that the local subtraction method is less subjective and more accurate than thresholding. Best results are obtained by use of a small pitch, at the expense of the volume covered during a single breath hold...
- Optimal vascular and parenchymal contrast enhancement: the current state of the artDominik Fleischmann
Department of Radiology, Stanford University Medical Center, 300 Pasteur Drive, Room S 072, Stanford, CA 94305 5105, USA
Radiol Clin North Am 47:13-26. 2009..Automated tube current modulation and weight-based injection protocols allow individual optimization of radiation exposure and reduce interindividual variability of CM enhancement...
- Assessing the impact of CAD on the sensitivity and specificity of film readersP Taylor
CHIME, Royal Free and University College Medical School, University College London, London, UK
Clin Radiol 59:1099-105. 2004..To assess the impact of computer-aided detection (CAD) prompts on film readers' sensitivity and specificity...
- The use of computer-aided detection for the assessment of pulmonary arterial filling defects at computed tomographic angiographyAnna C Walsham
Department of Medical Imaging, University Health Network, Toronto, ON, Canada
J Comput Assist Tomogr 32:913-8. 2008..To validate a computer-aided detection (CAD) tool for the detection of pulmonary arterial filling defects at computed tomographic pulmonary angiography (CTPA) and to assess its benefit for readers of different levels of experience...
- Effects of incorrect computer-aided detection (CAD) output on human decision-making in mammographyEugenio Alberdi
Centre for Software Reliability and the Department of Psychology, City University, Northampton Square, London, UK
Acad Radiol 11:909-18. 2004..Study 1 was designed to elucidate the effects of computer failure on human performance. Study 2 was conducted to clarify unexpected findings from Study 1...
- Three-dimensional reconstruction allows accurate quantification and length measurements of coronary artery stenosesHarald Rittger
Medizinische Klinik II, Klinikum Coburg, Coburg, Germany
EuroIntervention 5:127-32. 2009..Israel) as compared to a validated quantitative coronary angiography (QCA) system (Siemens Quantcor, Siemens Medical Solutions)...
- Multislice computed tomography angiography of the abdominal arteries: comparison between computed tomography angiography and digital subtraction angiography findings in 52 casesChristoph A Stueckle
Department of Radiology and Nuclear Medicine, Marienhospital Herne, University Hospital of Ruhr University Bochum, Herne, Germany
Australas Radiol 48:142-7. 2004..75 for occlusions and 0.77 for calcifications. The specificity was 1.0 in all cases. Multislice CT angiography seems to be similar to conventional digital subtraction angiography for abdominal vessels if multiplanar projections are used...
- Detection and classification performance levels of mammographic masses under different computer-aided detection cueing environmentsBin Zheng
Department of Radiology, University of Pittsburgh, Magee Womens Hospital, Pittsburgh, PA, USA
Acad Radiol 11:398-406. 2004..The authors evaluated the impact of different computer-aided detection (CAD) cueing conditions on radiologists' performance levels in detecting and classifying masses depicted on mammograms...
- Finite element models predict cancellous apparent modulus when tissue modulus is scaled from specimen CT-attenuationBenjamin C Bourne
Sibley School of Mechanical and Aerospace Engineering, Aerospace Engineering, Cornell University, 219 Upson Hall, Ithaca, NY 14853 7501, USA
J Biomech 37:613-21. 2004....
- An evaluation of the impact of computer-based prompts on screen readers' interpretation of mammogramsP M Taylor
Centre for Health Informatics and Multiprofessional Education, University College London, Archway Campus, Highgate Hill, London, UK
Br J Radiol 77:21-7. 2004..No difference in impact of prompts was found for well or poorly performing film readers. The result suggests that this version of the ImageChecker would not have a significant impact on the UK screening programme...
- Coronary artery calcium quantification at multi-detector row helical CT versus electron-beam CTWilliam Stanford
Department of Radiology, College of Medicine, University of Iowa, 200 Hawkins Dr, Iowa City, IA 52242, USA
Radiology 230:397-402. 2004..To compare coronary artery calcium scores from a multi-detector row helical computed tomographic (CT) scanner with those from an electron-beam CT scanner, with emphasis on subjects with calcium scores less than 400...
- Computer-aided detection versus independent double reading of masses on mammogramsNico Karssemeijer
Department of Radiology, University Medical Center Nijmegen, Geert Grooteplein 18, 6525 GA Nijmegen, The Netherlands
Radiology 227:192-200. 2003..To evaluate the use of a computer-aided detection (CAD) system (designed for mammographic mass detection) to help improve mass interpretation and to compare CAD results with independent double-reading results...
- Computer-aided diagnosis in high resolution CT of the lungsIngrid C Sluimer
Image Sciences Institute, University Medical Center Utrecht, Utrecht, The Netherlands
Med Phys 30:3081-90. 2003..Performance of the system is shown to approach that of two expert radiologists in diagnosing the local regions of interest, with an area under the ROC curve of 0.862 for the CAD scheme versus 0.877 and 0.893 for the radiologists...
- Clinical performance of computer-assisted detection (CAD system in detecting carcinoma in breasts of different densitiesW T Ho
Department of Radiology, Queen Mary Hospital, Pokfulam, Hong Kong
Clin Radiol 58:133-6. 2003..To determine the clinical performance of a computer-assisted detection (CAD) system in detecting carcinoma in breasts of different densities...
- Quantitative computerized analysis of diffuse lung disease in high-resolution computed tomographyYoshikazu Uchiyama
Kurt Rossmann Laboratories for Radiologic Image Research, Department of Radiology, The University of Chicago, 5841 S Maryland Ave, Chicago, Illinois 60637, USA
Med Phys 30:2440-54. 2003..The specificity in detecting a normal ROI was 88.1% (940/1067). This computerized method may be useful in assisting radiologists in their assessment of diffuse lung disease in HRCT images...
- Reproducibility of prompts in computer-aided detection (CAD) of breast cancerC G Taylor
South West London Breast Screening Service, London, UK
Clin Radiol 58:733-8. 2003..We evaluated the reproducibility of prompts using the R2 ImageChecker M2000 computer-aided detection (CAD) system...
- A dynamic approach to identifying desired physiological phases for cardiac imaging using multislice spiral CTM Vembar
Philips Medical Systems, CT Engineering, Advanced Systems Group, 595 Miner Road, Highland Heights, Ohio 44143, USA
Med Phys 30:1683-93. 2003..Using these estimates in characterizing cardiac motion also provides realistic simulation models for higher heart rates and also in optimizing volume reconstructions for individual segments of the cardiac anatomy...
- Assessment of reproducibility and accuracy in templating hybrid total hip arthroplasty using digital radiographsM J Oddy
Department of Orthopaedics, The Norfolk and Norwich University Hospital NHS Trust, Colney Lane, Norwich, Norfolk NR4 7UZ, UK
J Bone Joint Surg Br 88:581-5. 2006..9%. On-screen templating of digital radiographs with standard acetate templates is accurate and reproducible if a radiopaque marker such as a ten-pence coin is included when the original radiograph is taken...
- Comparison of analog and digital preoperative planning in total hip and knee arthroplasties. A prospective study of 173 hips and 65 total kneesBertram The
Department of Orthopaedic Surgery, Groningen University Hospital, Hanzeplein 1, NL 9700 RB Groningen, The Netherlands
Acta Orthop 76:78-84. 2005..Digital correction of the magnification factor is expected to yield more accurate and reliable preoperative plans. We hypothesized that digital templating would be more accurate than manual templating for total hip and knee arthroplasties...
- Potential of image-guidance, gating and real-time tracking to improve accuracy in pulmonary stereotactic body radiotherapyMatthias Guckenberger
Department of Radiation Oncology, Julius Maximilians University, Wuerzburg, Germany
Radiother Oncol 91:288-95. 2009..To evaluate the potential of image-guidance, gating and real-time tumor tracking to improve accuracy in pulmonary stereotactic body radiotherapy (SBRT)...
- Digital correction of magnification in pelvic x rays for preoperative planning of hip joint replacements: theoretical development and clinical results of a new protocolB The
Department of Orthopedic Surgery, University Medical Center Groningen, Hanzeplein 1, 9700 RB, Groningen, The Netherlands
Med Phys 32:2580-9. 2005..Future research might clarify if a strict calibration protocol, as presented in this study, results in more accurate preoperative planning of hip joint replacements...
- Semiautomated four-dimensional computed tomography segmentation using deformable modelsDustin Ragan
Department of Radiation Physics, The University of Texas M D Anderson Cancer Center, Houston, Texas 77030, USA
Med Phys 32:2254-61. 2005..This technique has the potential to facilitate contour delineation in 4D CT image data sets; and future evolution of the software is expected to improve the process...
- Technical report on semiautomatic segmentation using the Adobe PhotoshopJin Seo Park
Department of Anatomy, Ajou University School of Medicine, 5 Woncheon dong, Yeongtong Gu, Suwon, 443 749, South Korea
J Digit Imaging 18:333-43. 2005..Proper segmentation was verified by making 3D images from the segmented images. Semiautomatic segmentation using Adobe Photoshop is expected to be widely used for segmentation of anatomical structures in various medical images...
- Preliminary investigation of computer-aided detection of pulmonary embolism in three-dimensional computed tomography pulmonary angiography imagesChuan Zhou
Department of Radiology, University of Michigan, Ann Arbor, CGC B2103, 1500 E Medical Center Drive, Ann Arbor, MI 48109, USA
Acad Radiol 12:782-92. 2005..We sought to develop a computer-aided diagnosis (CAD) system for assisting radiologists in the detection of pulmonary embolism (PE) on computed tomography pulmonary angiographic (CTPA) images...
- The manufacturer's perspectiveJ Roehrig
R2 Technology, Inc, 1195 W Fremont Ave, Sunnyvale, CA 94087, USA
Br J Radiol 78:S41-5. 2005....
- A computer-aided detection system for the evaluation of breast cancer by mammographic appearance and lesion sizeRachel F Brem
Department of Radiology, The George Washington University, 2150 Pennsylvania Ave NW, Washington, DC 21117, USA
AJR Am J Roentgenol 184:893-6. 2005..CAD was highly effective in detecting even the smallest lesions, with a sensitivity of 92% for lesions of 5 mm or less. CAD is a useful tool for the detection of breast cancer...
- Computer-aided detection in direct digital full-field mammography: initial resultsF Baum
Department of Radiology, Georg August Universitat Gottingen, Robert Koch Strasse 40, 37075 Gottingen, Germany
Eur Radiol 12:3015-7. 2002..Results are equivalent to the results reported for CAD analysis of secondarily digitized image data. Sensitivity for microcalcifications is acceptable and for masses is low. The number of false-positive marks per image should be reduced...
- Uniform image quality achieved by tube current modulation using SD of attenuation in coronary CT angiographyGham Hur
Department of Radiology, Inje University Ilsanpaik Hospital, Daewha dong, Ilsan seogu, Goyang si, Gyuanggi do 411 706, South Korea
AJR Am J Roentgenol 189:188-96. 2007....
- Computer aided detection of masses in mammograms as decision supportN Karssemeijer
Radboud University Nijmegen Medical Centre, Department of Radiology, Nijmegen, The Netherlands
Br J Radiol 79:S123-6. 2006..No significant difference was found between the results of these two methods. Both methods improved single reading results significantly...
- MDCT for the diagnosis of acute pulmonary embolismCornelia Schaefer-Prokop
Department of Radiology, Academic Medical Center AMC, University of Amsterdam, The Netherlands
Eur Radiol 15:D37-41. 2005..Diagnostic algorithms are outlined that describe the role of CT in context with the pretest probability, the D-Dimer, lower limb sonography and scintigraphy...
- Computer-based detection and prompting of mammographic abnormalitiesS M Astley
Imaging Science and Biomedical Engineering, Stopford Building, Oxford Road, Manchester M13 9PT, UK
Br J Radiol 77:S194-200. 2004..This paper reviews progress in abnormality detection, the strengths and the weaknesses of CAD, and the methodologies used to evaluate CAD in a clinical setting...
- Blood flow patterns in an anatomically realistic coronary vessel: influence of three different reconstruction methodsB Berthier
Universite de Technologie de Compiegne, UMR CNRS 6600 Biomécanique et Génie Biomédical, Compiegne, France
J Biomech 35:1347-56. 2002....
- Implications of unchanged detection criteria with CAD as second reader of mammogramsHans Bornefalk
Department of Physics, KTH, Stockholm, Sweden
Med Phys 33:922-9. 2006..5% relative decrease in sensitivity compared to that without using a stricter initial criterion by the radiologist. For microcalcifications the corresponding values are 7% and 0.2%...
- Three-dimensional coronary imaging for the ostium of the left anterior descending arteryKenji Sadamatsu
Department of Cardiology, St Mary s Hospital, Kurume, Japan
Int J Cardiovasc Imaging 25:223-8. 2009..The optimal views selected using the 3D system provided clearer images of the ostium of the left anterior descending artery with less overlapping and foreshortening...
- Computer-aided detection in clinical environment: benefits and challenges for radiologistsElizabeth A Krupinski
Radiology 231:7-9. 2004
- Automated finite-element analysis for deformable registration of prostate imagesJessica R Crouch
Computer Science Department, Old Dominion University, Norfolk, VA 23529, USA
IEEE Trans Med Imaging 26:1379-90. 2007..Encouraging results are presented for the registration of CT image pairs which exhibit deformation caused by pressure from an endorectal imaging probe and deformation due to swelling...
- Path planning for virtual bronchoscopyMohamadreza Negahdar
Dept of Biomedical Systems and Medical Physics, Tehran University of Medica Sciences, Iran
Conf Proc IEEE Eng Med Biol Soc 1:156-9. 2006..The computation time of our algorithm is faster than similar works and there were no missing or false branches in the final path of airways. The planned path is suitable for quantitative airway analysis and smooth virtual navigation...
- A robust technique for 2D-3D registrationRen Hui Gong
School of Computering, Queen s University, Kingston, Ontario K7L 3N6, Canada
Conf Proc IEEE Eng Med Biol Soc 1:1433-6. 2006..We show that, under the same testing conditions, our proposed technique outperforms the conventional simplex-based method in capture range and robustness while providing comparable accuracy and computation time...
- Registration-derived estimates of local lung expansion as surrogates for regional ventilationJoseph M Reinhardt
Department of Biomedical Engineering, The University of Iowa, Iowa City, IA 52242, USA
Inf Process Med Imaging 20:763-74. 2007..We compare lung expansion estimated across five pressure changes to a xenon CT based measure of specific ventilation, and have shown good agreement (linear regression, r2 = 0.89 during gas wash-in) in one animal...
- Novel image registration quality evaluator (RQE) with an implementation for automated patient positioning in cranial radiation therapyJian Wu
Department of Nuclear and Radiological Engineering, University of Florida, Gainesville, Florida 32611, USA
Med Phys 34:2099-112. 2007..987). Clinical implementation of a RQE could potentially reduce the involvement of the human observer for routine patient positioning verification, while increasing setup accuracy and reducing setup verification time...
- Automated segmentation of the liver from 3D CT images using probabilistic atlas and multi-level statistical shape modelToshiyuki Okada
Division of Image Analysis, Osaka University Graduate School of Medicine, Suita, Osaka 565 0871, Japan
Med Image Comput Comput Assist Interv 10:86-93. 2007..In experiments, we demonstrate that segmentation accuracy improved by using the initial region obtained with PA and the introduced constraint for ML-SSM...
- Lung nodule detection via Bayesian voxel labelingPaulo R S Mendonça
GE Global Research, One Research Circle, Niskayuna, NY 12309, USA
Inf Process Med Imaging 20:134-46. 2007..We provide, under explicit modeling assumptions, closed-form expressions for all the probability distributions involved. The technique is applied to real data, and we present a discussion of its performance...
- Segmentation of neck lymph nodes in CT datasets with stable 3D mass-spring models segmentation of neck lymph nodesJana Dornheim
Otto von Guericke Universitat Magdeburg, Universitatsplatz 2, 39106 Magdeburg, Germany
Acad Radiol 14:1389-99. 2007..We present a stable 3D mass-spring model for lymph node segmentation in computed tomography (CT) datasets...
- New CTA protocol and 2D-3D registration method for liver catheterizationMartin Groher
Technische Universitat Munchen, Germany
Med Image Comput Comput Assist Interv 9:873-81. 2006..This algorithm shows good convergence and proves to be robust against deformation changes, which is demonstrated through studies on one phantom and three patients...
- Automatic registration between reference and on-board digital tomosynthesis images for positioning verificationLei Ren
Department of Radiation Oncology, Physics, Duke University Medical Center, DUMC Box 3295, Durham, North Carolina 27710, USA
Med Phys 35:664-72. 2008..Results also showed that the hybrid registration technique had much larger capture ranges than the static method alone in registering the out-of-plane rotations...
- A probabilistic framework based on hidden markov model for fiducial identification in image-guided radiation treatmentsZhiping Mu
Accuray Incorporated, 1310 Chesapeake Terrace, Sunnyvale, CA 94089, USA
IEEE Trans Med Imaging 27:1288-300. 2008..In the experiments, the algorithm demonstrated a large tracking range, computational efficiency, ease of use, and robustness that meet the requirements for clinical use...
- Accurate registration of random radiographic projections based on three spherical references for the purpose of few-view 3D reconstructionRalf Schulze
Department of Oral Surgery and Oral Radiology, Johannes Gutenberg University, Dental School, Mainz 55131, Germany
Med Phys 35:546-55. 2008..The method facilitates extraction of 3D information from only few projections obtained from off-the-shelf radiographic projection units without the need for costly hardware. Technical requirements as well as radiation dose are low...
- An ellipse-fitting based method for efficient registration of breast masses on two mammographic viewsJiantao Pu
Department of Radiology, University of Pittsburgh, 3362 Fifth Avenue, Pittsburgh, Pennsylvania 15213, USA
Med Phys 35:487-94. 2008..The results demonstrate the feasibility of the proposed method to automatically identify masses depicted on CC and MLO views, which may improve future development of multiview based CAD schemes...
- Computerized Analysis of Mesothelioma on CT ScansSamuel Armato; Fiscal Year: 2009....
- 3D Massive Training ANN for CAD for Colon Cancer in CT ColonographyKenji Suzuki; Fiscal Year: 2010....
- COMPUTER AIDED DIAGNOSIS IN CT OF THE THORAXSamuel Armato; Fiscal Year: 2004....
- Standard Database for CT Lung ImagesSamuel Armato; Fiscal Year: 2006..The ideas resented in this proposal are expected to stimulate the efforts of the Consortium toward that goal. ..
- Monochromatic Phase-Contrast Breast Cancer RadiographyEdwin Donnelly; Fiscal Year: 2005..Image quality of all images will be judged by an experienced mammographer. ..
- Phase Contrast Computed Tomography ScannerEdwin Donnelly; Fiscal Year: 2007..unreadable] [unreadable]..
- ROC Analysis of Imaging System EvaluationsDavid Gur; Fiscal Year: 2002..abstract_text> ..
- Interactive CAD for MammographyBin Zheng; Fiscal Year: 2007..unreadable] [unreadable]..
- Assessment of Variance Structure in ROC StudiesDavid Gur; Fiscal Year: 2006..e., those that are the less demanding of the expensive resources of gathering patient cases and expanding radiologists reading time. ..
- DETECTION AND LOCALIZATION IN MAMMOGRAPHYBin Zheng; Fiscal Year: 2002..It will also investigate augmented CAD cues that code information about correlations between the two ipsilateral projections. ..
- Exploration of Stereo Display for Lung Cancer ScreeningXiao Hui Wang; Fiscal Year: 2005..We expect to demonstrate that the use of a stereo display for lung cancer screening will result in improved accuracy and efficiency, and this could greatly increase the efficacy of this screening process. ..
- The Laboratory Effect in Breast Cancer Detection StudiesDavid Gur; Fiscal Year: 2007..The comparison we are attempting to do is at the very core of our ability (or not) to generalize laboratory observer performance data to the general clinical environment in a valid manner. ..
- PREVALENCE EFFECT IN IMAGING SYSTEMS EVALUATIONSDavid Gur; Fiscal Year: 2001..abstract_text> ..
- OBSERVER PERFORMANCE STUDIES-READER SELECTION & TRAININGDavid Gur; Fiscal Year: 2002..While they proposed to continue to investigate several aspects in this regard, the current proposal would focus on the possible effects of observer (reader) selection and training on study design and results. ..
- Comparing Performance Under FROC Paradigm - A Non Parametirc ApproachDavid Gur; Fiscal Year: 2008..unreadable] [unreadable] [unreadable]..
- Data Consistency Based Motion Artifact Reduction for Head CTHengyong Yu; Fiscal Year: 2008..Hence, the proposed techniques promise to be translated for clinical use and should generate great healthcare benefits, especially for children. [unreadable] [unreadable] [unreadable]..
- ROC Analysis of Imaging System EvaluationsDavid Gur; Fiscal Year: 2009..We will develop closed-form solutions for the ANOVA procedure conducted on all possible bootstrap values. ..
- MIPS XII ConferenceElizabeth Krupinski; Fiscal Year: 2007..unreadable] [unreadable] [unreadable]..
- Optimized Compression for Telepathology Virtual SlidesElizabeth Krupinski; Fiscal Year: 2009....
- Hybrid Nuclear/X-ray Projection System for Mouse ImagingJohn Boone; Fiscal Year: 2005..abstract_text> ..
- Quantification of coronary calcium mass by dual energy fluoroscopySabee Molloi; Fiscal Year: 2009..Dual-energy imaging, because of its motion insensitivity, can serve as a foundation for quantitative cardiac analysis to proceed. ..
- Fractional flow reserve measurement based on coronary angiographic imagesSABEE Y MOLLOI; Fiscal Year: 2010..This quantification technique could be used to measure fractional flow reserve in patients undergoing standard coronary arteriography. ..
- Medical Image Perception Society Confrence XIElizabeth Krupinski; Fiscal Year: 2005..abstract_text> ..
- X-ray imaging using edge-on-microchannel plate detectorsSabee Molloi; Fiscal Year: 2006..It can potentially provide a high-resolution detector with significant reduction in patient dose for digital mammography. ..
- Digital Mammography: Advanced Computer-Aided Breast Can*Heang Ping Chan; Fiscal Year: 2007..abstract_text> ..
- Tumor perfusion in small animals with tomographic digital subtraction angiographyCristian Badea; Fiscal Year: 2008..unreadable] [unreadable] [unreadable]..
- Non Iterative Methods for 3D SPECT Image ReconstructionXiaochuan Pan; Fiscal Year: 2005....
- Computer Aided Diagnosis of Lung CancerHeang Ping Chan; Fiscal Year: 2006..When fully developed and clinically implemented, a CAD system for lung nodules will increase the efficacy of lung cancer screening with helical CT, improve early detection, and improve the chance of survival of patients. ..
- OPTIMIZING SOFTCOPY DISPLAYS FOR DIGITAL MAMMOGRAPHYElizabeth Krupinski; Fiscal Year: 2002..The JND metrix model will then be used to systematically explore and optimize CRT design tradeoffs for current and future digital-mammography display systems. ..
- Conference--Medical Image PerceptionElizabeth Krupinski; Fiscal Year: 2003..This grant will be used to provide financial support for about 12 graduate students and residents, as well as logistic support for publicity and program printing. ..
- Quantification of Regional coronary Blood FlowSabee Molloi; Fiscal Year: 2003..This quantification technique could be used to measure regional myocardial perfusion in patients undergoing standard coronary arteriography. ..
- OPTIMIZING SOFTCOPY DISPLAYS FOR DIGITAL MAMMOGRAPHYElizabeth Krupinski; Fiscal Year: 2003..The JND metrix model will then be used to systematically explore and optimize CRT design tradeoffs for current and future digital-mammography display systems. ..
- Feasibility of CT in high risk breast cancer patientsJohn Boone; Fiscal Year: 2003..The results of this investigation should provide a clear understanding of the potential of breast CT as a tool to reduce breast cancer mortality in the population of women with dire risk of breast cancer. ..
- PATIENT SPECIFIC MODELS IN LUNG CANCER SCREENING WITH CTMatthew Brown; Fiscal Year: 2004..4] To compare radiologist accuracy and interpretation times of HR-hCT scans, both with and without assistance from the automated detection system, against pre-existing nodule detection methods. ..
- Non Iterative Methods for 3D SPECT Image ReconstructionXiaochuan Pan; Fiscal Year: 2002....
- FOURIER AND SPLINE BASED RECONSTRUCTIONS IN HELICAL CTXiaochuan Pan; Fiscal Year: 2001....
- Breast CT scanner for earlier cancer detectionJohn Boone; Fiscal Year: 2002..that particularly warrant screening using breast CT. The Phase II trial will shed more light on this issue. ..
- PERCEPTUAL MODEL FOR WORKSTATION DISPLAY OPTIMIZATIONDev Chakraborty; Fiscal Year: 2002..Also to be generated are iso-contour plots of the effects of common workstation variables on image quality in both tasks. This will allow digital mammography workstations to be more intelligently used. ..
- Multimodality CAD system with image references for breast mass characterizationBerkman Sahiner; Fiscal Year: 2007..Any reduction in this number without a decrease in breast cancer detection sensitivity will decrease health care costs, as well as contribute to the well-being of the patient by reducing anxiety and morbidity. ..
- Iterative Reconstruction for Breast TomosynthesisSTEPHEN GLICK; Fiscal Year: 2009..Evaluation and optimization of different imaging system designs and acquisition processes will be conducted by evaluating lesion detection accuracy using realistically simulated tomosynthesis breast images. ..
- Feasibility of CT Mammography Using Flat Panel DetectorsSTEPHEN GLICK; Fiscal Year: 2002..These models will be determined based on the statistical characterization of surgically removed lesion and breast tissue specimens. ..
- Regional Lung Mechanics by 3D Image RegistrationJoseph M Reinhardt; Fiscal Year: 2010..This information is now critical to the development and evaluation of new pulmonary disease therapies. ..
- Early Detection of Lung Cancer via Bi Plane CorrelationEhsan Samei; Fiscal Year: 2002..The findings will be used to demonstrate the capability of the approach for improving the detection of lung nodules, and thus the prognosis of lung cancer. ..
- Phase II validation of 4-dimensional computed tomography derived ventilation forThomas Guerrero; Fiscal Year: 2008..Our new imaging method uses equipment already available in almost every radiation oncology clinic. This study seeks to validate our new ventilation imaging with the present standard method. [unreadable] [unreadable] [unreadable]..
- Non-Invasive Localization of Vulnerable PlaquesCynthia McCollough; Fiscal Year: 2009....
- VOLUMETRIC ANALYSIS OF THE AORTA AND ITS BRANCHESGeoffrey Rubin; Fiscal Year: 2002....
- Better correlation of outcomes with MC dose calculationIndrin Chetty; Fiscal Year: 2007..unreadable] [unreadable]..
- CCD detectorCarol Muehleman; Fiscal Year: 2005..Additionally, the optimized facility will greatly enhance the productivity of each user group as a consequence of detector efficiency. ..
- Computer Detection of Nodules of the LungAnthony Reeves; Fiscal Year: 2007..The complete detection system will be evaluated with a CT image database that has a ground truth established by multiple radiologist reads. [unreadable] [unreadable]..
- Standardizing CT Assessment of Pulmonary ParenchymaJuerg Tschirren; Fiscal Year: 2006..Developing AMFM into a screening tool to complement lung cancer screening for at-risk patients is another option we are exploring for the long-term. [unreadable] [unreadable]..
- Breast Cancer Imaging Using a Solid-State SPECT CameraG Zeng; Fiscal Year: 2005..abstract_text> ..
- Feasibility of CT Mammography Using Flat Panel DetectorsSTEPHEN GLICK; Fiscal Year: 2005..These models will be determined based on the statistical characterization of surgically removed lesion and breast tissue specimens. ..
- NOVEL X-RAY TECHNOLOGY FOR DEGENERATIVE JOINT DISEASECarol Muehleman; Fiscal Year: 2006..Our long-term goal is to identify and localize initial phases of cartilage degeneration and follow their progression with the ultimate aim of monitoring disease progression and therapeutic interventions. ..
- Resolution requirements for mammographic displaysEhsan Samei; Fiscal Year: 2004..The results will be used to formulate recommendations to the breast imaging community concerning display resolution criteria for safe and optimized soft-copy display of digital mammograms. ..
- Radio-Immunotherapy (RIT) Planning Using SPECTLAWRENCE ZENG; Fiscal Year: 2004..Novel image reconstruction algorithms will be developed to provided quantitative SPECT images. Our hypothesis will be verified through human observer studies and Channelized Hotelling observer studies. ..
- Image Reconstruction with Solid Srate SPECRLAWRENCE ZENG; Fiscal Year: 2005..abstract_text> ..
- IMPROVED QUANTITATIVE ACCURACY OF SPECT-PET IMAGINGSTEPHEN GLICK; Fiscal Year: 2001....
- Pulmonary Lobar Analysis by 3D Surface DetectionJuerg Tschirren; Fiscal Year: 2007..The proposed methods are urgently needed to take advantage of emerging therapies for the early treatment of lung disease. [unreadable] [unreadable] [unreadable]..
- Computer-Aided Detection of Pulmonary Embolism on CT Pulmonary AngiographyChuan Zhou; Fiscal Year: 2007..CAD will potentially reduce missed PEs and improve the chance of timely treatment of patients, thus reducing the mortality rate and speed up recovery from this condition. [unreadable] [unreadable]..
- PERCEPTUAL MODEL FOR WORKSTATION DISPLAY OPTIMIZATIONDev Chakraborty; Fiscal Year: 2003..Also to be generated are iso-contour plots of the effects of common workstation variables on image quality in both tasks. This will allow digital mammography workstations to be more intelligently used. ..
- Improving Radiologist Detection of Lung Nodules with CADGeoffrey Rubin; Fiscal Year: 2008..abstract_text> ..
- Bi-Plane Correlation Imaging: Detection of Lung CancerEhsan Samei; Fiscal Year: 2007..The findings will be used to substantiate the capability of BCI for improving the early detection of lung nodules and to optimize its performance on actual clinical cases. ..
- Efficient Interpretation of 3D Vascular Image DataSandy Napel; Fiscal Year: 2005..Our overall goal is to change and validate the way crosssectional images are interpreted in general, thus resulting in improved accuracy and efficiency in the assessment of increasingly large volumes of medical image data. ..
- Mouse Modeling Techniques for Bioluminescence TomographyWenxiang Cong; Fiscal Year: 2007..unreadable] [unreadable] [unreadable]..
- 3D Time-resolved Tomographic Interventional PlatformGuang Hong Chen; Fiscal Year: 2004....
- TOMOSYNTHESIS FOR IMPROVED PULMONARY NODULE DETECTIONJames Dobbins; Fiscal Year: 2005..These pilot studies will characterize and minimize effects of patient motion, optimize the number of reconstructed planes and patient entrance exposure, and evaluate slice viewing vs volume rendering. ..
- Integrated Tomosynthetic Perfusion and Cone-beam CT Imaging on a C-arm GantryGuang Hong Chen; Fiscal Year: 2009..The new interventional platform will not only benefit those at researchcenters,but also will enable image-guided interventional stroke treatmentsfor hospitals without advanced imaging facilities. ..