Research Topics
| Yiheng ZhangSummaryAffiliation: University of Michigan Country: USA Publications
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Detail Information
Publications
A comparative study of limited-angle cone-beam reconstruction methods for breast tomosynthesisYiheng Zhang
Department of Radiology, University of Michigan, Ann Arbor, Michigan 48109 0904, USA
Med Phys 33:3781-95. 2006....
Application of boundary detection information in breast tomosynthesis reconstructionYiheng Zhang
Department of Radiology, University of Michigan, Ann Arbor, Michigan 48109 0904, USA
Med Phys 34:3603-13. 2007..Our study demonstrates that, by using the 2D and 3D breast boundary information, all breast boundary and most detector boundary artifacts can be effectively removed on all tomosynthesized slices...
A haemodynamic response function model in spatio-temporal diffuse optical tomographyYiheng Zhang
Department of Radiology, University of Michigan Hospital, 1500 E Medical Center Drive, CGC B2109, Ann Arbor, MI 48109, USA
Phys Med Biol 50:4625-44. 2005..We also present an efficient algorithm for solving the associated large-scale systems. The expected improvements in spatial resolution and contrast-to-noise ratio are illustrated with simulations of human brain activation...
Characterization of masses in digital breast tomosynthesis: comparison of machine learning in projection views and reconstructed slicesHeang Ping Chan
Department of Radiology, University of Michigan, Ann Arbor, Michigan 48109, USA
Med Phys 37:3576-86. 2010....
Bilateral analysis based false positive reduction for computer-aided mass detectionYi Ta Wu
Department of Radiology, University of Michigan, Ann Arbor, Michigan 48109, USA
Med Phys 34:3334-44. 2007..63, respectively, at the corresponding sensitivities, the FP rates were reduced by 40%, 44%, and 42% with the bilateral symmetry information. The improvement was statistically significance (p < 0.05) as estimated by JAFROC analysis...
Dynamic multiple thresholding breast boundary detection algorithm for mammogramsYi Ta Wu
Department of Radiology, University of Michigan, Ann Arbor Michigan 48109, USA
Med Phys 37:391-401. 2010..In this study, the authors developed a new dynamic multiple thresholding based breast boundary (MTBB) detection method for digitized mammograms...
Artifact reduction methods for truncated projections in iterative breast tomosynthesis reconstructionYiheng Zhang
Department of Radiology, University of Michigan, Ann Arbor, Michigan, USA
J Comput Assist Tomogr 33:426-35. 2009....
Characterization of mammographic masses based on level set segmentation with new image features and patient informationJiazheng Shi
Department of Radiology, The University of Michigan, Ann Arbor, Michigan 48109 0904, USA
Med Phys 35:280-90. 2008..Finally, an independent test on the publicly available digital database for screening mammography with 132 benign and 197 malignant ROIs containing masses achieved a view-based Az value of 0.84 +/- 0.02...
Computer-aided detection of masses in digital tomosynthesis mammography: comparison of three approachesHeang Ping Chan
Department of Radiology, University of Michigan, Ann Arbor, Michigan 48109 5842, USA
Med Phys 35:4087-95. 2008..02 and 0.01, respectively) as estimated by alternative FROC analysis. The combined system is a promising approach to improving automated mass detection on DBTs...
Computer-aided detection systems for breast masses: comparison of performances on full-field digital mammograms and digitized screen-film mammogramsJun Wei
Department of Radiology, University of Michigan, Ann Arbor, MI 48109, USA
Acad Radiol 14:659-69. 2007..To compare the performance of computer aided detection (CAD) systems on pairs of full-field digital mammogram (FFDM) and screen-film mammogram (SFM) obtained from the same patients...
Optimal linear inverse solution with multiple priors in diffuse optical tomographyAng Li
Department of Physics Tufts University, Medford, Massachusetts 02155, USA
Appl Opt 44:1948-56. 2005..Simulations are performed to demonstrate the significant improvement in image quality afforded by combining spatial and spectral priors...
Eigenvector-based spatial filtering for reduction of physiological interference in diffuse optical imagingYiheng Zhang
Northeastern University, Electrical and Computer Engineering Department, Boston, Massachusetts 02115, USA
J Biomed Opt 10:11014. 2005..By projecting the data onto the orthogonal nullspace of these eigenvectors, we can obtain more localized response, as reflected in improved contrast-to-noise ratio and correlation coefficient maps...
