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  1. No Access

    Chapter and Conference Paper

    Group Shift Pointwise Convolution for Volumetric Medical Image Segmentation

    Recent studies have witnessed the effectiveness of 3D convolutions on segmenting volumetric medical images. Compared with the 2D counterparts, 3D convolutions can capture the spatial context in three dimension...

    Junjun He, ** Ye, Cheng Li, Di** Song… in Medical Image Computing and Computer Assis… (2021)

  2. No Access

    Chapter and Conference Paper

    A Novel Level Set Based Shape Prior Method for Liver Segmentation from MRI Images

    Liver segmentation in MR Image is the first step of our automated liver perfusion analysis project. Traditional Level Set methods and active contours were often used to segment the liver, but the results were ...

    Kan Cheng, Lixu Gu, Jianghua Wu, Wei Li… in Medical Imaging and Augmented Reality (2008)

  3. No Access

    Chapter and Conference Paper

    Non-rigid 2D-3D Registration Based on Support Vector Regression Estimated Similarity Metric

    In this paper, we proposed a novel non-rigid 2D-3D registration framework, which is based on Support Vector Regression (SVR) to compensate the disadvantages of generating large amounts of Digitally Rendered Ra...

    Wenyuan Qi, Lixu Gu, Jianrong Xu in Medical Imaging and Augmented Reality (2008)

  4. No Access

    Chapter and Conference Paper

    Real-Time Simulation for Global Deformation of Soft Tissue Using Deformable Centerline and Medial Representation

    Real-time simulation for global deformation of soft tissue, using Mass-Spring or traditional finite element method (FEM), is difficult because of the following reasons: (1) The linear elastic model is inapprop...

    Pengfei Huang, Lixu Gu, **aobo Li, Shaoting Zhang, Jianfeng Xu… in Biomedical Simulation (2006)

  5. No Access

    Chapter and Conference Paper

    A Novel Liver Perfusion Analysis Based on Active Contours and Chamfer Matching

    Liver Perfusion gives important information about blood supply of liver. However, in daily clinical diagnosis, radiologists have to manually mark the perfusion position in time-sequence images due to the motio...

    Gang Chen, Lixu Gu in Medical Imaging and Augmented Reality (2006)

  6. No Access

    Chapter and Conference Paper

    The Framework for Real-Time Simulation of Deformable Soft-Tissue Using a Hybrid Elastic Model

    In this paper, we present a novel approach for real-time simulation of deformable soft-tissue. The framework includes segmentation of medical data, physical and mathematical modeling, performance optimization ...

    Shaoting Zhang, Lixu Gu, Weiming Liang, Pengfei Huang, Jan Boehm… in Biomedical Simulation (2006)

  7. No Access

    Chapter and Conference Paper

    Real-Time Simulation of Deformable Soft Tissue Based on Mass-Spring and Medial Representation

    In this paper, we present a novel deformable model for soft tissue simulation in a real-time manner. The innovative model consists of two sub-models: the surface one and the internal one, which are based on Ma...

    Shaoting Zhang, Lixu Gu, Pengfei Huang… in Computer Vision for Biomedical Image Appli… (2005)

  8. No Access

    Chapter and Conference Paper

    Dynamic Heart Modeling Based on a Hybrid 3D Segmentation Approach

    A hybrid 3D segmentation approach is proposed in this paper to perform a physical beating heart modeling from dynamic CT images. A Morphological Recursive Erosion operation is firstly employed to reduce the co...

    Lixu Gu in Medical Imaging and Augmented Reality (2004)

  9. No Access

    Chapter and Conference Paper

    3D Automatic Fiducial Marker Localization Approach for Frameless Stereotactic Neuro-surgery Navigation

    Although frameless stereotactic neuro-surgical navigation systems are widely used in many neuro-surgical centers around the world, most of the systems still require the user to define the position of fiducial ...

    Lixu Gu, Terry Peters in Medical Imaging and Augmented Reality (2004)