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检索条件"机构=Penn Image Computing and Science Laboratory"
105 条 记 录,以下是91-100 订阅
排序:
Estimation of image Bias Field with Sparsity Constraints
Estimation of Image Bias Field with Sparsity Constraints
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IEEE Conference on Computer Vision and Pattern Recognition
作者: Yuanjie Zheng James C. Gee Penn Image Computing and Science Laboratory (PICSL) University of Pennsylvania School of Medicine
We propose a new scheme to estimate image bias field through introducing two sparsity constraints. One is that the bias-free image has concise representation with image gradients or coefficients of other image transfo... 详细信息
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3D mesh based wall thickness measurement: Identification of left ventricular hypertrophy phenotypes
3D mesh based wall thickness measurement: Identification of ...
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Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
作者: C. Tobon-Gomez C. Butakoff P. Yushkevich M. Huguet A.F. Frangi Center of Computational Imaging & Simulation Technologies in Biomedicine CISTIB Universitat Pompeu Fabra Barcelona Spain Penn Image Computing and Science Laboratory PICSL Department of Radiology University of Pennsylvania Philadelphia PA USA CETIR Sant Jordi Barcelona Spain Universitat Pompeu Fabra Barcelona Catalunya ES
Left ventricular hypertrophy (LVH) is a complex cardiac condition mainly identified by the thickening of the myocardial wall. Although most of the contemporary cardiac imaging modalities provide high resolution 3D ima... 详细信息
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Tensor-Based Morphometry of Fibrous Structures with Application to Human Brain White Matter
Tensor-Based Morphometry of Fibrous Structures with Applicat...
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12th International Conference on Medical image computing and Computer-Assisted Intervention (MICCAI2009)
作者: Zhang, Hui Yushkevich, Paul A. Rueckert, Daniel Gee, James C. Penn Image Computing and Science Laboratory (PICSL) Department of Radiology University of Pennsylvania United States Department of Computing Imperial College London London United Kingdom
Tensor-based morphometry (TBM) is a powerful approach for examining shape changes in anatomy both across populations and in time. Our work extends the standard TBM for quantifying local volumetric changes to establish... 详细信息
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Ventricularwall thickness analysis in acute myocardial infarction and hypertrophic cardiomyopathy
Ventricularwall thickness analysis in acute myocardial infar...
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IEEE International Symposium on Biomedical Imaging
作者: Hui Sun Catalina Tobon-Gomez Sandhitsu R. Das Marina Huguet Paul A. Yushkevich Alejandro F. Frangi Penn Image Computing and Science Laboratory (PICSL) Department of Radiology University of Pennsylvania Philadelphia PA USA Center of Computational Imaging and Simulation Technologies in Biomedicine (CISTIB) Information and Communication Technologies Department University of Pompeu-Fabra Barcelona Spain CETIR Sant Jordi Networking Center on Biomedical Research (CIBER-BBN) Barcelona Spain
Ventricular wall thickness and thickening are important biomarkers that are informative about myocardial function, especially for patients suffering from acute myocardial infarction (AMI) and hypertrophic cardiomyopat... 详细信息
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Nonparametric Markov priors for tissue segmentation
Nonparametric Markov priors for tissue segmentation
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IEEE International Symposium on Biomedical Imaging
作者: Zhuang Song Suyash P. Awate James C. Gee Penn Image Computing and Science Laboratory University of Pennsylvania Philadelphia PA USA
This paper presents a novel method to construct a probabilistic tissue prior, for Bayesian tissue segmentation, which is based on nonparametric Markov statistics of tissue intensities learned from training data. The p... 详细信息
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Multivariate analysis of thalamo-cortical connectivity loss in TBI
Multivariate analysis of thalamo-cortical connectivity loss ...
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IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)
作者: Jeffrey Duda Brian Avants Junghoon Kim Hui Zhang Sunil Patel John Whyte James Gee Penn Image Computing and Science Laboratory University of Pennsylvania USA Junghoon Kim Albert Einstein Healthcare Network Moss Rehabilitation Research Institute USA
Diffusion tensor (DT) images quantify connectivity patterns in the brain while the T1 modality provides high-resolution images of tissue interfaces. Our objective is to use both modalities to build subject-specific, q... 详细信息
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Spatial correspondence based asymmetry analysis in FMRI
Spatial correspondence based asymmetry analysis in FMRI
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IEEE International Symposium on Biomedical Imaging
作者: Sandhitsu R. Das Dawn Mechanic-Hamilton Marc Korczykowski Brian B. Avants John A. Detre James C. Gee Paul A. Yushkevich Penn Image Computing and Science Laboratory Department of Radiology University of Pennsylvania Philadelphia PA USA Center for Functional Neuroimaging Department of Neurology University of Pennsylvania Philadelphia PA USA
Asymmetry analysis of brain activation in functional magnetic resonance imaging (fMRI) experiments is commonly used to determine hemispheric specialization for cognitive function. Asymmetry is typically expressed in t... 详细信息
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Multivariate segmentation of brain tissues by fusion of MRI and DTI data
Multivariate segmentation of brain tissues by fusion of MRI ...
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IEEE International Symposium on Biomedical Imaging
作者: Suyash P. Awate Hui Zhang Tony J. Simon James C. Gee Penn Image Computing and Science Laboratory Department of Radiology University of Pennsylvania Philadelphia PA USA Department of Psychiatry and Behavioral Sciences M.I.N.D. Institute University of California Sacramento CA USA
This paper proposes a method to improve brain-tissue segmentation, especially in subcortical region, by fusing the information in structural magnetic resonance (MR) images and diffusion tensor (DT) images in a sound s... 详细信息
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Robust regularization for the estimation of intra-voxel axon fiber orientations
Robust regularization for the estimation of intra-voxel axon...
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IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)
作者: Alonso Ramirez-Manzanares Hui Zhang Mariano Rivera James C. Gee Department of Radiology Penn Image Computing and Science Laboratory University of Pennsylvania Philadelphia PA USA Facultad de Matematicas Universidad de Guanajuato Philadelphia Guanajuato Mexico Centro de Investigacion en Matematicas A.C. Guanajuato Mexico
Diffusion weighted magnetic resonance images allows one to infer white matter axon fiber orientations. Nowadays it is possible to estimate intra-voxel orientations at voxels where fibers cross or split. Though, the re... 详细信息
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Surface-based modeling of white matter fasciculi with orientation encoding
Surface-based modeling of white matter fasciculi with orient...
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IEEE International Symposium on Biomedical Imaging
作者: Hui Zhang Paul A. Yushkevich Tony J Simon James C. Gee Penn Image Computing and Science Laboratory (PICSL) Department of Radiology University of Pennsylvania Philadelphia PA USA Department of Psychiatry and Behavioral Sciences M.I.N.D. Institute University of California슠Davis Sacramento CA USA
In this paper, we describe a novel technique for modeling sheet-like white matter (WM) fasciculi using continuous medial representation (cm-rep). In the cm-rep framework, the skeleton of a fasciculus is described by a... 详细信息
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