Chenyang XuSummaryAffiliation: University of Illinois Country: USA Publications
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Publications
Comparative performance analysis of time-frequency distributions for spectroscopic optical coherence tomographyChenyang Xu
Department of Electrical and Computer Engineering, Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana Champaign, 405 North Mathews, Urbana, Illinois 61801, USA
Appl Opt 44:1813-22. 2005..Cohen's class TFDs generate the most compact time-frequency (TF) analysis, while linear TFDs offer the most reliable TF analysis. In both cases, if some prior information is known, model-based TF analysis can improve the performance...- Optical probes and techniques for molecular contrast enhancement in coherence imagingStephen A Boppart
University of Illinois at Urbana Champaign, Biophotonics Imaging Laboratory, Beckman Institute for Advanced Science and Technology, Department of Electrical and Computer Engineering, College of Engineering, Urbana, Illinois 61801, USA
J Biomed Opt 10:41208. 2005..Probes and techniques designed for coherent molecular imaging are likely to improve the detection and diagnostic capabilities of OCT... - Near-infrared dyes as contrast-enhancing agents for spectroscopic optical coherence tomographyChenyang Xu
Department of Electrical and Computer Engineering, and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana--Champaign, Urbana, Illinois 61801, USA
Opt Lett 29:1647-9. 2004..We introduce and demonstrate the use of NIR dyes as contrast agents for SOCT. Contrast-enhanced images are compared with fluorescence microscopy, demonstrating a link between SOCT and fluorescence imaging... - Topology correction in brain cortex segmentation using a multiscale, graph-based algorithmXiao Han
Center for Imaging Science, Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
IEEE Trans Med Imaging 21:109-21. 2002..A detailed analysis of the method's performance on 15 magnetic resonance brain images is provided... - Robust computation of mutual information using spatially adaptive meshesHari Sundar
Section for Biomedical Image Analysis, Department of Radiology, University of Pennsylvania, USA
Med Image Comput Comput Assist Interv 10:950-8. 2007..The effectiveness of the proposed method is demonstrated using both simulated MR images obtained from the BrainWeb database and clinical CT and SPECT images... - Registration of cardiac SPECT/CT data through weighted intensity co-occurrence priorsChristoph Guetter
Imaging and Visualization Department, Siemens Corporate Research, Princeton, USA
Med Image Comput Comput Assist Interv 10:725-33. 2007..Experimental results demonstrate that the proposed method out-performs mutual information registration and shows robustness across a selection of learned distributions acquired from 15 different patients... - Image guidance of intracardiac ultrasound with fusion of pre-operative imagesYiyong Sun
Siemens Corporate Research, Princeton, NJ, USA
Med Image Comput Comput Assist Interv 10:60-7. 2007..The image guidance provided by this technique may increase the ablation accuracy and reduce the amount of time for the electrophysiology procedures. We show successful image registration results from animal experiments... - Gamma-convergence approximation to piecewise smooth medical image segmentationJungha An
Institute for Mathematics and its Applications IMA, University of Minnesota, Minneapolis, MN, USA
Med Image Comput Comput Assist Interv 10:495-502. 2007..The proposed model is implemented efficiently using recursive Gaussian convolutions. Numerical experiments on 2-dimensional human liver MR images show that our model compares favorably to existing methods... - A computational framework for the statistical analysis of cardiac diffusion tensors: application to a small database of canine heartsJean Marc Peyrat
INRIA, Asclepios Research Project, 06902 Sophia Antipolis Cedex, France
IEEE Trans Med Imaging 26:1500-14. 2007..This information will be useful to guide the adjustment of average fiber models onto specific patients from in vivo anatomical imaging modalities... - Towards a statistical atlas of cardiac fiber structureJean Marc Peyrat
INRIA, Asclepios Research Project, Sophia Antipolis, France
Med Image Comput Comput Assist Interv 9:297-304. 2006..The results show a strong coherence of the diffusion tensors and the fiber orientations among a population of seven normal canine hearts... - A general framework for image segmentation using ordered spatial dependencyMikael Rousson
Department of Imaging and Visualization Siemens Corporate Research, Princeton, NJ, USA
Med Image Comput Comput Assist Interv 9:848-55. 2006..The best ordering of the structures can be learned off-line. We apply this framework to the segmentation of several structures in brain MR images... - Learning based non-rigid multi-modal image registration using Kullback-Leibler divergenceChristoph Guetter
Imaging and Visualization Department, Siemens Corporate Research, Princeton, USA
Med Image Comput Comput Assist Interv 8:255-62. 2005..We have applied our proposed method on both synthetic and real images with encouraging results... 
Characterization of atherosclerosis plaques by measuring both backscattering and attenuation coefficients in optical coherence tomographyChenyang Xu
Lightlab Imaging Inc, 1 Technology Park Drive, Westford, Massachusetts 01886, USA
J Biomed Opt 13:034003. 2008..Our results not only explain the origins of many qualitative OCT features, but also show that combination of backscattering and attenuation coefficient measurements can be used for contrast enhancing and better tissue characterization...- CRUISE: cortical reconstruction using implicit surface evolutionXiao Han
Department of Electrical and Computer Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218 USA
Neuroimage 23:997-1012. 2004..Validation results on real MR data are presented to demonstrate the performance of the method... - Cortical surface segmentation and mappingDuygu Tosun
Department of Electrical and Computer, Engineering Johns Hopkins University, Baltimore, MD 21218, USA
Neuroimage 23:S108-18. 2004..Results demonstrating the application of this approach to a study of cortical thickness changes in aging are presented... - On simulating subjective evaluation using combined objective metrics for validation of 3D tumor segmentationXiang Deng
Corporate Technology, Siemens Ltd, China
Med Image Comput Comput Assist Interv 10:977-84. 2007..Our method has the potential to facilitate the development of new tumor segmentation algorithms and assist large scale segmentation evaluation studies...