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    Methods and systems for image noise filtering
    51.
    发明授权
    Methods and systems for image noise filtering 有权
    图像噪声滤波方法和系统

    公开(公告)号：US08457433B2

    公开(公告)日：2013-06-04

    申请号：US12696005

    申请日：2010-01-28

    申请人： Wei Hong

    发明人： Wei Hong

    IPC分类号： G06K9/40

    CPC分类号： G06T3/4015 ,  G06T5/002 ,  G06T5/50 ,  G06T2207/10004 ,  G06T2207/10024 ,  G06T2207/20221

    摘要： Methods and systems for image noise filtering are provided. One method of image noise filtering includes generating a plurality of sub-images of a digital image, applying a noise filter with small support to each sub-image, and generating a filtered digital image by merging the filtered sub-images. Another method of image noise filtering includes receiving a digital image including a plurality of color channels in the Bayer domain, applying a strong noise filter to each color channel to generate filtered color channels, computing a luminance image from the digital image, applying a weak noise filter to the luminance image to generate a filtered luminance image, computing a luminance recovery factor map using the luminance image and the filtered luminance image, and computing output color channels of the digital image using the filtered color channels and the luminance recovery factor map.

    摘要翻译： 提供了图像噪声滤波的方法和系统。 图像噪声滤波的一种方法包括：生成数字图像的多个子图像，对每个子图像应用小支持的噪声滤波器，以及通过合并滤波后的子图像来生成滤波后的数字图像。 图像噪声滤波的另一种方法包括接收包括拜耳域中的多个颜色通道的数字图像，对每个颜色通道应用强噪声滤波器以产生经滤波的颜色通道，从数字图像计算亮度图像，应用弱噪声 对亮度图像进行滤波以产生经滤波的亮度图像，使用亮度图像和滤波后的亮度图像计算亮度恢复因子图，以及使用滤波后的颜色通道和亮度恢复因子图计算数字图像的输出颜色通道。

    METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR RE-CONVERGENCE OF A STEREOSCOPIC IMAGE
    52.
    发明申请
    METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR RE-CONVERGENCE OF A STEREOSCOPIC IMAGE 审中-公开
    方法，系统和计算机程序产品用于立体视觉图像的再融合

    公开(公告)号：US20130009949A1

    公开(公告)日：2013-01-10

    申请号：US13478241

    申请日：2012-05-23

    申请人： Gregory Robert Hewes ,  Wei Hong ,  Fred William Ware, JR.

    发明人： Gregory Robert Hewes ,  Wei Hong ,  Fred William Ware, JR.

    IPC分类号： G06T15/00

    CPC分类号： H04N13/128 ,  H04N13/139

    摘要： First and second views of a stereoscopic image are received. A first portion of the stereoscopic image is located at a first coordinate that is equal within the first and second views. For displaying enlarged versions of the first and second views, at least one of the first and second views is shifted, so that a second portion of the stereoscopic image is located at a second coordinate that is equal within the enlarged versions.

    摘要翻译： 接收立体图像的第一和第二视图。 立体图像的第一部分位于在第一和第二视图内相等的第一坐标。 为了显示第一和第二视图的放大版本，第一和第二视图中的至少一个被移位，使得立体图像的第二部分位于放大版本中相等的第二坐标。

    Video stabilization and reduction of rolling shutter distortion
    53.
    发明授权
    Video stabilization and reduction of rolling shutter distortion 有权
    视频稳定和减少滚动快门失真

    公开(公告)号：US08179446B2

    公开(公告)日：2012-05-15

    申请号：US12716276

    申请日：2010-03-03

    申请人： Wei Hong ,  Dennis Wei ,  Aziz Umit Batur

    发明人： Wei Hong ,  Dennis Wei ,  Aziz Umit Batur

    IPC分类号： G06K9/32 ,  H04N5/228

    CPC分类号： H04N5/2329 ,  H04N5/145 ,  H04N5/23254

    摘要： A method of processing a digital video sequence is provided that includes estimating compensated motion parameters and compensated distortion parameters (compensated M/D parameters) of a compensated motion/distortion (M/D) affine transformation for a block of pixels in the digital video sequence, and applying the compensated M/D affine transformation to the block of pixels using the estimated compensated M/D parameters to generate an output block of pixels, wherein translational and rotational jitter in the block of pixels is stabilized in the output block of pixels and distortion due to skew, horizontal scaling, vertical scaling, and wobble in the block of pixels is reduced in the output block of pixels.

    摘要翻译： 提供了一种处理数字视频序列的方法，其包括对数字视频序列中的像素块的补偿的运动/失真（M / D）仿射变换估计补偿的运动参数和补偿的失真参数（补偿的M / D参数） 并且使用估计的补偿的M / D参数将补偿的M / D仿射变换应用于像素块，以产生输出像素块，其中像素块中的平移和旋转抖动在像素的输出块中稳定，并且 像素块中的偏移，水平缩放，垂直缩放和摆动造成的失真减少了像素的输出块。

    SYSTEM AND METHOD FOR COMPUTER AIDED POLYP DETECTION
    55.
    发明申请
    SYSTEM AND METHOD FOR COMPUTER AIDED POLYP DETECTION 有权
    计算机辅助聚合物检测系统和方法

    公开(公告)号：US20100215226A1

    公开(公告)日：2010-08-26

    申请号：US11993180

    申请日：2006-06-21

    申请人： Arie E. Kaufman ,  Wei Hong ,  Xianfeng Gu ,  Feng Qiu

    发明人： Arie E. Kaufman ,  Wei Hong ,  Xianfeng Gu ,  Feng Qiu

    IPC分类号： G06K9/00 ,  G06F3/01

    CPC分类号： G06K9/342 ,  G06K2209/053 ,  G06T3/0037 ,  G06T7/0012 ,  G06T15/08 ,  G06T2207/30028

    摘要： In the present methods, the automatic detection of polyps is converted into a 2D pattern recognition problem using conformal mapping and direct volume rendering. The colon surface is first segmented and extracted from the CT data set of the abdomen, which is then mapped to a 2D plane using conformal mapping. Ray casting is used to determine sub-surface density values and the flattened image is rendered using a volume rendering technique with a translucent electronic biopsy transfer function. Polyp candidates are detected by a clustering method which identifies regions of elevated sub-surface density. The potential for false positives is reduced by analyzing the volumetric shape and texture features of the polyp candidate regions.

    摘要翻译： 在本方法中，使用保形映射和直接体绘制，将息肉的自动检测转换为2D模式识别问题。 首先将结肠表面分割并从腹部的CT数据集中提取出来，然后使用保形图映射到2D平面。 Ray铸造用于确定亚表面密度值，并且使用具有半透明电子活检传递函数的体绘制技术来渲染平坦化图像。 通过聚类方法检测Polyp候选物，其识别升高的亚表面密度的区域。 通过分析息肉候选区域的体积形状和纹理特征来减少假阳性的潜力。

    METHOD FOR DIRECT VOLUMETRIC RENDERING OF DEFORMABLE BRICKED VOLUMES
    56.
    发明申请
    METHOD FOR DIRECT VOLUMETRIC RENDERING OF DEFORMABLE BRICKED VOLUMES 有权
    直径体积增加可变形砖块的方法

    公开(公告)号：US20090295800A1

    公开(公告)日：2009-12-03

    申请号：US12365926

    申请日：2009-02-05

    申请人： Christoph Vetter ,  Daphne Yu ,  Wei Li ,  Wei Hong

    发明人： Christoph Vetter ,  Daphne Yu ,  Wei Li ,  Wei Hong

    IPC分类号： G06T17/00

    CPC分类号： G06T15/08 ,  G06T17/005

    摘要： A method for rendering a deformable object. The method includes: obtaining a 3D volumetric voxel dataset of a region, such region having therein an object to be rendered; building a tree hierarchical structure for the obtained volumetric dataset, such tree structure blocks as the nodes of a primary tree hierarchy and bricks being those blocks stored as textures in a video memory; augmenting the primary tree hierarchical structure with maximum and minimum values of the data contained within a block; creating a neighborhood tree hierarchy having for each leaf block of the neighborhood tree hierarchy a reference to the neighboring leaf blocks in the neighborhood tree hierarchy as well as references to neighboring bricks in the neighborhood tree hierarchy; updating the information about minimum and maximum in the primary tree hierarchy by saving for each block the minimum and maximum of the neighboring blocks; and rendering the leaf blocks in visibility order.

    摘要翻译： 一种用于渲染可变形对象的方法。 该方法包括：获得区域的3D体积体元数据集，其中具有要渲染的对象的区域; 为所获得的体数据集构建树分层结构，这样的树结构块作为主树层次结构的节点，砖是作为纹理存储在视频存储器中的块; 以包含在块内的数据的最大值和最小值来增加主树分层结构; 创建邻域树层次结构，对于邻域树层次中的每个叶块，对邻域树层次中的相邻叶块的引用以及邻域树层次中的相邻砖的引用; 通过为每个块保存相邻块的最小值和最大值来更新主树层次结构中关于最小和最大值的信息; 并以可见性顺序呈现叶块。

    Motion-compressed temporal interpolation
    57.
    发明申请
    Motion-compressed temporal interpolation 审中-公开
    运动压缩时间插值

    公开(公告)号：US20090174812A1

    公开(公告)日：2009-07-09

    申请号：US12164323

    申请日：2008-06-30

    申请人： Wei Hong

    发明人： Wei Hong

    IPC分类号： H04N7/01

    CPC分类号： H04N7/014 ,  H04N7/0127 ,  H04N19/537 ,  H04N19/577

    摘要： The motion-compensated temporal interpolation using an optical flow defined in an interpolation frame from a subsequent frame, and interpolating from either the prior or the subsequent frame depending upon the divergence of the optical flow.

    摘要翻译： 使用在来自后续帧的内插帧中定义的光流的运动补偿时间插值，并且根据光流的发散度从先前帧或后续帧进行内插。

    Method for database guided simultaneous multi slice object detection in three dimensional volumetric data
    58.
    发明申请
    Method for database guided simultaneous multi slice object detection in three dimensional volumetric data 有权
    三维体积数据中数据库引导同时多切片物体检测方法

    公开(公告)号：US20070036414A1

    公开(公告)日：2007-02-15

    申请号：US11502709

    申请日：2006-08-10

    申请人： Bogdan Georgescu ,  Xiang Zhou ,  Wei Hong ,  Dorin Comaniciu ,  Sriram Krishnan

    发明人： Bogdan Georgescu ,  Xiang Zhou ,  Wei Hong ,  Dorin Comaniciu ,  Sriram Krishnan

    IPC分类号： G06K9/00 ,  G06K9/62

    CPC分类号： G06T7/149 ,  G06T7/12 ,  G06T2207/10136 ,  G06T2207/20081 ,  G06T2207/30048

    摘要： The present invention is directed to a method for automatic detection and segmentation of a target anatomical structure in received three dimensional (3D) volumetric medical images using a database of a set of volumetric images with expertly delineated anatomical structures. A 3D anatomical structure detection and segmentation module is trained offline by learning anatomical structure appearance using the set of expertly delineated anatomical structures. A received volumetric image for the anatomical structure of interest is searched online using the offline learned 3D anatomical structure detection and segmentation module.

    摘要翻译： 本发明涉及一种使用具有专门描绘的解剖结构的一组体积图像的数据库来自动检测和分割接收的三维（3D）体积医学图像中的目标解剖结构的方法。 3D解剖结构检测和分割模块通过使用专门描绘的解剖结构集合学习解剖结构外观来进行离线训练。 使用离线学习的3D解剖结构检测和分割模块在线搜索用于感兴趣解剖结构的接收体积图像。