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1. 发明授权

US06516033B2 Video coding method and apparatus for calculating motion vectors of the vertices of a portion of an image and outputting information of horizontal and vertical components of the motion vectors 有权
标题翻译：用于计算图像的一部分的顶点的运动矢量并输出运动矢量的水平和垂直分量的信息的视频编码方法和装置
公开(公告)号：US06516033B2
公开(公告)日：2003-02-04
申请号：US09863428
申请日：2001-05-24
申请人： Yuichiro Nakaya , Junichi Kimura
发明人： Yuichiro Nakaya , Junichi Kimura
IPC分类号： H04N736
CPC分类号： H04N19/523 , H04N5/145 , H04N19/43 , H04N19/53 , H04N19/54 , H04N19/61
摘要： A method and apparatus for coding an image includes calculation of motion vectors of vertices of a patch in an image being encoded and providing an output of horizontal and vertical components of the motion vectors of the vertices and information specifying that values of the horizontal and vertical components of a motion vector for each pixel in the patch are integral multiples of 1/d of a distance between adjacent pixels, where d is an integer not less than 2.
摘要翻译：一种用于编码图像的方法和装置包括计算正在编码的图像中的斑块的顶点的运动矢量，并提供顶点的运动矢量的水平和垂直分量的输出以及指定水平和垂直分量的值的信息对于贴片中的每个像素的运动矢量，是相邻像素之间的距离的1 / d的整数倍，其中d是不小于2的整数。

2. 发明授权

US06470050B1 Image coding apparatus and its motion vector detection method 有权
标题翻译：图像编码装置及其运动矢量检测方法
公开(公告)号：US06470050B1
公开(公告)日：2002-10-22
申请号：US09544546
申请日：2000-04-06
申请人： Akihiko Ohtani , Takaaki Shingo
发明人： Akihiko Ohtani , Takaaki Shingo
IPC分类号： H04N736
CPC分类号： H04N19/433 , H04N19/51
摘要： The present invention provides an image coding apparatus and its motion vector detection method, which can reduce a system cost also when the throughput of image data is increased. The image coding apparatus of the present invention comprises a search range frame memory 40 for outputting a search range for motion vector detection, a coding target frame memory 50 for outputting a coding target block, and a motion compensation unit 210 for performing motion compensation by using the coding target block which is input from the coding target frame memory 50 via a second data bus and the search range for the motion vector detection, which is input from the search range frame memory 40 via a first data bus, and obtaining a candidate block having a highest correlation with the coding target block in the search range.
摘要翻译：本发明提供了一种图像编码装置及其运动矢量检测方法，当图像数据的吞吐量增加时也可以降低系统成本。本发明的图像编码装置包括：搜索范围帧存储器40，用于输出用于运动矢量检测的搜索范围，用于输出编码目标块的编码目标帧存储器50;以及运动补偿单元210，用于通过使用经由第二数据总线从编码目标帧存储器50输入的编码目标块和经由第一数据总线从搜索范围帧存储器40输入的用于运动矢量检测的搜索范围，以及获得候选块与搜索范围中的编码目标块具有最高的相关性。

3. 发明授权

US06333948B1 Video coding apparatus, video coding method and storage medium containing video coding program 失效
标题翻译：视频编码装置，视频编码方法和包含视频编码程序的存储介质
公开(公告)号：US06333948B1
公开(公告)日：2001-12-25
申请号：US09247081
申请日：1999-02-09
申请人： Akio Kurobe , Shoichi Masaki
发明人： Akio Kurobe , Shoichi Masaki
IPC分类号： H04N736
CPC分类号： H04N19/61 , H04N19/107 , H04N19/503
摘要： In a video coding apparatus coding a motion picture while switching a coding mode between an INTER coding mode and an INTRA coding mode, a motion information management part determines whether or not there is motion exceeding a prescribed threshold in an object in each region of m groups of blocks in each frame of the motion picture during a lapse of a prescribed time T from a prescribed point. On the basis of the result of this determination, a whole-group refresh part performs whole-group refresh (INTRA coding in one frame) on a group of blocks of a region having motion exceeding the threshold, and a dispersed refresh part performs dispersed refresh (INTRA coding in frames varying with the block) on a group of blocks of a region having no motion exceeding the threshold. Thus, appearance of a disturbance line is avoided and influence by a transmission error is eliminated in a short time while reducing increase of a coding quantity resulting from refresh.
摘要翻译：在在INTER编码模式和INTRA编码模式之间切换编码模式的情况下编码运动画面的视频编码装置中，运动信息管理部件确定在m组的每个区域中是否存在超过规定阈值的运动在规定时间T从规定点开始的运动图像的每帧中的块。基于该确定的结果，全组刷新部分对运动超过阈值的区域的一组块执行全组刷新（一帧中的INTRA编码），并且分散刷新部分执行分散刷新（在块中变化的帧中的INTRA编码）在没有运动超过阈值的区域的一组块上。因此，避免了在短时间内消除了传输误差的影响，同时减少了刷新导致的编码量的增加。

4. 发明授权

US06282243B1 Apparatus and method for interframe predictive video coding and decoding with capabilities to avoid rounding error accumulation 失效
标题翻译：用于帧间预测视频编码和解码的装置和方法，具有避免舍入误差累积的能力
公开(公告)号：US06282243B1
公开(公告)日：2001-08-28
申请号：US08972362
申请日：1997-11-18
申请人： Kimihiko Kazui , Akira Nakagawa , Eishi Morimatsu
发明人： Kimihiko Kazui , Akira Nakagawa , Eishi Morimatsu
IPC分类号： H04N736
CPC分类号： H04N19/523
摘要： A method and apparatus for interframe predictive video coding and decoding which avoid the accumulation of rounding errors and thus obtain high-quality reproduced pictures. A frame memory outputs at least one reference picture to a prediction picture calculation unit, according to motion vector information with half-pel accuracy. From the reference picture(s), the prediction picture calculation unit produces a prediction picture by performing interpolation operations if the motion vector has a half-pel component. Here, each interpolated pel value is rounded off to an integer according to a particular rounding algorithm specified by a calculation controller. More specifically, the prediction picture calculation unit supports a first algorithm that rounds off the pel values toward positive infinity and a second algorithm that rounds off them toward negative infinity. The calculation controller outputs a rounding control signal that directs the prediction picture calculation unit to select either of those two algorithms with substantially equal probabilities of occurrence.
摘要翻译：一种用于帧间预测视频编码和解码的方法和装置，其避免舍入误差的积累，从而获得高质量的再现图像。帧存储器根据具有半像素精度的运动矢量信息将至少一个参考图像输出到预测图像计算单元。如果运动矢量具有半像素分量，则从参考图像中，预测图像计算单元通过执行插值运算来产生预测图像。这里，每个内插像素值根据由计算控制器指定的特定舍入算法四舍五入为整数。更具体地，预测图像计算单元支持将像素值向正无穷大舍入的第一算法和将它们向负无穷大舍入的第二算法。计算控制器输出引导预测图像计算单元选择具有基本上相同的发生概率的那两个算法中的任一个的舍入控制信号。

5. 发明授权

US06229852B1 Reduced-memory video decoder for compressed high-definition video data 失效
标题翻译：用于压缩高分辨率视频数据的缩减存储器视频解码器
公开(公告)号：US06229852B1
公开(公告)日：2001-05-08
申请号：US09178960
申请日：1998-10-26
申请人： Dzung Tien Hoang
发明人： Dzung Tien Hoang
IPC分类号： H04N736
CPC分类号： H04N19/423 , H04N19/61
摘要： A video decoder for decoding compressed high-definition video data. The video decoder includes compress and decompress circuits placed in the decoder's datapath to reduce the amount of video data that needs to be stored in frame buffer memory. Reference frame video data is compressed by the compress circuit for storage in frame buffer memory. A rate control circuit is provided to control the rate at which the compress circuit stores reference frame video data in the frame buffer memory. The decompress circuit reconstructs the reference frames on-the-fly for use in motion compensated prediction. Methods of decoding compressed high-definition video signals are also disclosed.
摘要翻译：用于解码压缩的高清视频数据的视频解码器。视频解码器包括放置在解码器的数据路径中的压缩和解压缩电路，以减少需要存储在帧缓冲存储器中的视频数据量。参考帧视频数据由压缩电路压缩以存储在帧缓冲存储器中。提供速率控制电路以控制压缩电路将参考帧视频数据存储在帧缓冲存储器中的速率。解压缩电路在运动补偿预测中重构参考帧。还公开了压缩的高清晰度视频信号的解码方法。

6. 发明授权

US06490319B1 Region of interest video coding 有权
标题翻译：感兴趣的视频编码
公开(公告)号：US06490319B1
公开(公告)日：2002-12-03
申请号：US09337788
申请日：1999-06-22
申请人： Liuyang Yang
发明人： Liuyang Yang
IPC分类号： H04N736
CPC分类号： H04N19/17 , H04N19/126 , H04N19/154 , H04N19/162 , H04N19/60
摘要： A video system and method allow for control of a video quality contrast between a region of interest of a video image and background of the video image. Quality contrast can be controlled in real-time as the video images are being transmitted. A video controller allows the quantization levels of the two regions of video image to be controlled by a user. A user interface provides a slider control to allow the user to easily adjust the contrast between the quantization levels.
摘要翻译：视频系统和方法允许控制视频图像的感兴趣区域和视频图像的背景之间的视频质量对比度。随着视频图像的传输，质量对比度可以实时控制。视频控制器允许视频图像的两个区域的量化级别由用户控制。用户界面提供滑块控制以允许用户容易地调整量化级之间的对比度。

7. 发明授权

US06477201B1 Content-adaptive compression encoding 失效
标题翻译：内容自适应压缩编码
公开(公告)号：US06477201B1
公开(公告)日：2002-11-05
申请号：US09083451
申请日：1998-05-22
申请人： Charles Martin Wine , Glenn Arthur Reitmeier , Thomas Michael Stiller , Michael Tinker
发明人： Charles Martin Wine , Glenn Arthur Reitmeier , Thomas Michael Stiller , Michael Tinker
IPC分类号： H04N736
CPC分类号： H04N19/85 , H04N19/117 , H04N19/124 , H04N19/14 , H04N19/154 , H04N19/17 , H04N19/172 , H04N19/20 , H04N19/537 , H04N19/61 , H04N19/80
摘要： A subjective evaluator delineates regions of an information space to be encoded in a qualitatively preferential or non-preferential manner such that the encoded information space comprises one or more of normal, emphasized or de-emphasized information content.
摘要翻译：主观评估者以定性优先或非优先方式描绘要编码的信息空间的区域，使得编码信息空间包括正常，强调或去强调信息内容中的一个或多个。

8. 发明授权

US06473462B1 Process for estimating a dominant motion between two frames 有权
标题翻译：用于估计两帧之间的主要运动的过程
公开(公告)号：US06473462B1
公开(公告)日：2002-10-29
申请号：US09563446
申请日：2000-05-01
申请人： Christophe Chevance , Edouard François , Dominique Thoreau , Thierry Viellard
发明人： Christophe Chevance , Edouard François , Dominique Thoreau , Thierry Viellard
IPC分类号： H04N736
CPC分类号： H04N5/144 , G06T7/262
摘要： The process for estimating a dominant motion between two frames combines a phase correlation peak detection algorithm (1) and a multi-resolution robust regression algorithm (3) for improving the robustness of the estimation.
摘要翻译：用于估计两帧之间的主要运动的过程组合相位相关峰值检测算法（1）和用于改善估计的鲁棒性的多分辨率鲁棒回归算法（3）。

9. 发明授权

US06459734B1 Motion detection circuit and a noise suppression circuit including the same 失效
标题翻译：运动检测电路和包括其的噪声抑制电路
公开(公告)号：US06459734B1
公开(公告)日：2002-10-01
申请号：US09562476
申请日：2000-05-01
申请人： Noriyoshi Kato , Keiji Toyoda , Yukio Fujita , Toshiyuki Sano , Misa Kasahara
发明人： Noriyoshi Kato , Keiji Toyoda , Yukio Fujita , Toshiyuki Sano , Misa Kasahara
IPC分类号： H04N736
CPC分类号： H04N5/21 , G06T7/254 , H04N5/145
摘要： An interframe difference signal is generated from the video signal and its one-frame delayed video signal. A filter removes a carrier color signal from the interframe difference signal to output the interframe difference luminance signal. A first motion judging circuit judges a motion in the video signal at a target pixel from the interframe difference luminance signal to output a first motion judging result in accordance with a first edge detection signal. A second motion judging circuit judges a motion in the video signal at the target pixel from a luminance signal and the carrier signal in the interframe difference signal to output a second motion judging result in accordance with a second edge detection circuit. The first and second motion judging results are combined. A majority determining circuit determines majority of the combined result from adjacent Q pixels in accordance with a third edge detection signal. A circular signal generation circuit generates a coefficient K according to the result of the majority determining circuit. The interframe difference signal is multiplied with k to generate a circulation signal. A subtractor subtracts the circulation signal from the video signal to generate an output video signal of which noise is suppressed.
摘要翻译：从视频信号及其一帧延迟的视频信号产生帧间差分信号。滤波器从帧间差分信号中去除载波颜色信号，以输出帧间差分亮度信号。第一运动判断电路根据帧间差分亮度信号判断目标像素中的视频信号中的运动，以根据第一边缘检测信号输出第一运动判断结果。第二移动判断电路根据第二边缘检测电路从亮度信号和帧间差分信号中的载波信号判断目标像素中的视频信号中的运动，以输出第二运动判断结果。第一和第二运动判断结果相结合。多数确定电路根据第三边缘检测信号确定来自相邻Q像素的组合结果的大部分。圆形信号生成电路根据多数判定电路的结果生成系数K. 将帧间差分信号乘以k以产生循环信号。减法器从视频信号中减去循环信号，以产生抑制噪声的输出视频信号。

10. 发明授权

US06452637B1 Image frame fusion by velocity estimation using region merging 有权
标题翻译：通过区域合并的速度估计的图像帧融合
公开(公告)号：US06452637B1
公开(公告)日：2002-09-17
申请号：US09250837
申请日：1999-02-16
申请人： Leonid I. Rudin , Frederic Guichard
发明人： Leonid I. Rudin , Frederic Guichard
IPC分类号： H04N736
CPC分类号： G06K9/342 , G06T7/215 , H04N19/23 , H04N19/537
摘要： A process for obtaining information from at least two image frames of a sequence of frames, each of the frames including an array of pixels, each pixel having an amplitude, one of the two frames being designated as a reference frame and the other being a non-reference frame, the process including: (1) defining a set of velocities with which the motion of pixels between the two frames may be modeled; dividing each one of the two frames into plural regions, each region in each one of the two frames corresponding to a region in the other of the two frames; (2) determining an error for each one of at least some of the velocities by carrying out the following steps for each one of the regions and for each union of pairs of the regions: (A) mapping each pixel of the non-reference frame into the reference frame in accordance with the one velocity, (B) computing an error amount which is a function of a difference in pixel amplitude attributable to the mapping; (C) designating a minimum one of the error amounts computed for the velocities as the error for the one velocity, whereby a respective error is associated with each of the regions and with each union of pairs of the regions without regard to velocity; and (3) merging qualified ones of the regions by the following steps: (A) computing for each pair of regions a merging scale which depends upon a gain including a function of (a) the sum of the errors of each pair of regions and (b) the error of the union of the pair of regions; (B) merging each pair of the regions for which the merging scale meets a predetermined criteria. The merging scale preferably depends also upon a cost including a function of (a) the sum of the lengths of the boundaries of each pair of regions and (b) the length of the boundary of the union of the pair of regions.
摘要翻译：一种用于从帧序列的至少两个图像帧获得信息的过程，每个帧包括像素阵列，每个像素具有振幅，两个帧中的一个被指定为参考帧，另一个被指定为非帧 - 参考帧，该过程包括：（1）定义一组速度，可以对两帧之间的像素的运动进行建模;将两个帧中的每一个分成多个区域，两个帧中的每一个中的每个区域对应于两个帧中的另一个中的区域;（2）通过针对每个区域和每对区域的每个组合执行以下步骤来确定至少一些速度中的每一个的误差：（A）根据一个速度将非参考帧的每个像素映射到参考帧中，（B）计算作为归因于映射的像素幅度差的函数的误差量;（C）指定一个最小的一个呃对于速度计算的ror量作为一个速度的误差，由此相应的误差与每个区域相关联，并且与各对区域的每个并集不考虑速度; （3）通过以下步骤合并合格的区域：（A）对于每对区域进行计算，合并比例取决于包括以下功能的增益：（a）每对区域的误差之和和（b）该对区域联合的错误;（B）合并合并比例符合预定标准的每对区域。合并比例最好还取决于包括以下功能的成本：（a）每对区域的边界长度之和和（b）该对区域的联合边界的长度。

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