公开(公告)号：US07242814B2

公开(公告)日：2007-07-10

申请号：US10297492

申请日：2002-04-08

申请人： Minoru Etoh ,  Mitsuru Kobayashi ,  Shunichi Sekiguchi

发明人： Minoru Etoh ,  Mitsuru Kobayashi ,  Shunichi Sekiguchi

IPC分类号： G06K9/36

CPC分类号： H04N19/14 ,  H04N19/12 ,  H04N19/176 ,  H04N19/196 ,  H04N19/46 ,  H04N19/61

摘要： A method of and an apparatus for encoding and decoding using transformation bases of a yet higher efficiency. In a method for encoding an object signal in compliance with a transformation rule, a signal correlating to the object signal is obtained, and a transformation base that forms the transformation rule is derived based on a characteristic of the obtained reference signal. The object signal is transformed and encoded in compliance with the transformation rule based on the derived transformation base. Accordingly, the object signal is transformed in compliance with the transformation rule based on the transformation base derived from the characteristic of the reference signal. Since the reference signal is correlated to the object signal, the transformation base derived from the characteristic matches the feature of the object signal.

摘要翻译： 使用更高效率的转换基础进行编码和解码的方法和装置。 在根据变换规则编码对象信号的方法中，获得与对象信号相关的信号，并且基于所获得的参考信号的特性导出形成变换规则的变换基。 基于导出的变换基数，对象信号根据变换规则进行变换和编码。 因此，基于从参考信号的特性导出的变换基数，对象信号根据变换规则进行变换。 由于参考信号与对象信号相关，从特征导出的变换基与匹配对象信号的特征。

公开(公告)号：US20060253780A1

公开(公告)日：2006-11-09

申请号：US11483461

申请日：2006-07-10

申请人： Toshihiko Munetsugu ,  Minoru Etoh ,  Shoichi Araki ,  Koichi Emura

发明人： Toshihiko Munetsugu ,  Minoru Etoh ,  Shoichi Araki ,  Koichi Emura

IPC分类号： H04N5/44 ,  H04N7/173 ,  G11B27/00

CPC分类号： G06F17/30787 ,  G06F17/30817 ,  G06F17/30843 ,  G11B27/105 ,  G11B27/28 ,  G11B2220/216 ,  G11B2220/2562 ,  G11B2220/2575 ,  H04N21/235 ,  H04N21/26216 ,  H04N21/435 ,  Y10S707/99933

摘要： A context of media content is represented by context description data having a hierarchical stratum. The context description data has the highest hierarchical layer, the lowest hierarchical layer, and other hierarchical layers. The highest hierarchical layer is formed from a single element representing content. The lowest hierarchical layer is formed from an element representing a segment of media content which corresponds to a change between scenes of video data or a change in audible tones. The remaining hierarchical layers are formed from an element representing a scene or a collection of scenes. A score corresponding to the context of a scene of interest is appended, as an attribute, to the element in each of the remaining hierarchical layers. A score relating to the time information about a corresponding media segment and a context is appended, as an attribute, to individual elements in the lowest hierarchical layer. In a selection step of a data processing method, the context of the media content is expressed, and one or a plurality of scenes of the media content is or are selected on the basis of the score of the context description data. Further, in the extraction step of the data processing method, only data pertaining to the scenes selected in the selection step are extracted.

摘要翻译： 媒体内容的上下文由具有层次结构的上下文描述数据表示。 上下文描述数据具有最高分层，最低分层和其他分层。 最高等级层由表示内容的单个元素形成。 最低等级层由表示与视频数据的场景之间的变化或可听音调的变化相对应的媒体内容的部分的元素形成。 其余分层由表示场景或场景集合的元素形成。 将与感兴趣场景的上下文相对应的分数作为属性附加到每个剩余分层中的元素。 作为属性将与关于对应的媒体段和上下文的时间信息相关的得分追加到最低层中的各个元素。 在数据处理方法的选择步骤中，表达媒体内容的上下文，并且基于上下文描述数据的分数来选择或选择媒体内容的一个或多个场景。 此外，在数据处理方法的提取步骤中，仅提取与在选择步骤中选择的场景有关的数据。

公开(公告)号：US06760480B2

公开(公告)日：2004-07-06

申请号：US10293182

申请日：2002-11-13

申请人： Koichi Hata ,  Minoru Etoh ,  Takeshi Ankei

发明人： Koichi Hata ,  Minoru Etoh ,  Takeshi Ankei

IPC分类号： G06K936

CPC分类号： H04N1/415 ,  H04N1/411 ,  H04N19/107 ,  H04N19/61

摘要： A decoder decodes encoded binary image data on each block in order to recover a target block of the binary image. The image decoder includes motion compensated blocking which obtains a reference block from a reference binary image by applying motion compensation using motion information. A selector selects a statistical model from among a plurality of statistical models, based on states of pixels surrounding a reference pixel in the reference block, in which the reference pixel also corresponds to a target pixel in the target block. An arithmetic decoder recovers the target block by decoding the encoded data using the selected statistical model. In one embodiment, the pixels surrounding the reference pixel in the reference block are pixels positioned within one pixel distance from the reference pixel.

摘要翻译： 解码器对每个块上的编码的二进制图像数据进行解码，以便恢复二进制图像的目标块。 图像解码器包括运动补偿块，其通过使用运动信息应用运动补偿从参考二进制图像获得参考块。 选择器基于参考块中的参考像素周围的像素的状态从多个统计模型中选择统计模型，其中参考像素也对应于目标块中的目标像素。 算术解码器通过使用所选择的统计模型解码编码数据来恢复目标块。 在一个实施例中，参考块中的参考像素周围的像素是位于距参考像素一个像素距离内的像素。

公开(公告)号：US06625211B1

公开(公告)日：2003-09-23

申请号：US09511488

申请日：2000-02-23

申请人： Minoru Etoh ,  Tsutomu Uenoyama ,  Osamu Iwasaki ,  Daisaku Komiya

发明人： Minoru Etoh ,  Tsutomu Uenoyama ,  Osamu Iwasaki ,  Daisaku Komiya

IPC分类号： H04N712

CPC分类号： H04N19/40 ,  H04N19/105 ,  H04N19/115 ,  H04N19/124 ,  H04N19/132 ,  H04N19/139 ,  H04N19/146 ,  H04N19/152 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/46 ,  H04N19/523 ,  H04N19/587 ,  H04N19/61

摘要： The transformation method for moving picture coding system reads data of a frame from the first data sequence in the first moving picture moving coding system, prereads a coding mode of a successive frame to record, and when the preread coding mode of the successive frame is the intra-frame coding mode, performs a control not to perform coding of a present frame or decrease a generated code amount corresponding to the generated coed content of the second data sequence in the second moving picture coding system. Then, the method preferentially transforms data coded by the intra-frame coding mode existing in the first data sequence to the second data sequence.

摘要翻译： 运动图像编码系统的变换方法从第一运动图像运动编码系统中的第一数据序列读取帧的数据，对连续帧的编码模式进行预编码记录，并且当连续帧的预读编码模式为 帧内编码模式，执行不执行当前帧的编码的控制或减少与第二运动图像编码系统中的第二数据序列的生成的合成内容相对应的生成代码量。 然后，该方法优先地将存在于第一数据序列中的帧内编码模式编码的数据变换为第二数据序列。

公开(公告)号：US06510250B2

公开(公告)日：2003-01-21

申请号：US09846164

申请日：2001-05-01

申请人： Koichi Hata ,  Minoru Etoh ,  Takeshi Ankei

发明人： Koichi Hata ,  Minoru Etoh ,  Takeshi Ankei

IPC分类号： G06K936

CPC分类号： H04N1/415 ,  H04N1/411 ,  H04N19/107 ,  H04N19/61

摘要： A decoder decodes encoded binary image data on each block in order to recover a target block of the binary image. The image decoder includes motion compensated blocking which obtains a reference block from a reference binary image by applying motion compensation using motion information. A selector selects a statistical model from among a plurality of statistical models, based on states of pixels surrounding a reference pixel in the reference block, in which the reference pixel also corresponds to a target pixel in the target block. An arithmetic decoder recovers the target block by decoding the encoded data using the selected statistical model. In one embodiment, the pixels surrounding the reference pixel in the reference block are pixels positioned within one pixel distance from the reference pixel.

公开(公告)号：US06490373B2

公开(公告)日：2002-12-03

申请号：US09846725

申请日：2001-05-01

申请人： Koichi Hata ,  Minoru Etoh ,  Takeshi Ankei

发明人： Koichi Hata ,  Minoru Etoh ,  Takeshi Ankei

IPC分类号： G06K936

CPC分类号： H04N1/415 ,  H04N1/411 ,  H04N19/107 ,  H04N19/61

摘要： A decoder decodes encoding binary image data on each block in order to recover a target block of the binary image. The image decoder includes motion compensated blocking which obtains a reference block from a reference binary image by applying motion compensation using motion information. A selector selects a statistical model from among a plurality of statistical models, based on states of pixels surrounding a reference pixel in the reference block, in which the reference pixel also corresponds to a target pixel in the target block. An arithmetic decoder recovers the target block by decoding the encoded data using the selected statistical model. In one embodiment, the pixels surrounding the reference pixel in the reference block are pixels positioned within one pixel distance from the reference pixel.

摘要翻译： 解码器对每个块上的编码二进制图像数据进行解码，以便恢复二进制图像的目标块。 图像解码器包括运动补偿块，其通过使用运动信息应用运动补偿从参考二进制图像获得参考块。 选择器基于参考块中的参考像素周围的像素的状态从多个统计模型中选择统计模型，其中参考像素也对应于目标块中的目标像素。 算术解码器通过使用所选择的统计模型解码编码数据来恢复目标块。 在一个实施例中，参考块中的参考像素周围的像素是位于距参考像素一个像素距离内的像素。

公开(公告)号：US5929913A

公开(公告)日：1999-07-27

申请号：US904619

申请日：1997-08-01

申请人： Minoru Etoh

发明人： Minoru Etoh

IPC分类号： H04N7/26 ,  H04N7/32

CPC分类号： H04N19/61 ,  H04N19/51 ,  H04N19/63

摘要： By a motion vector correction circuit 313, a motion vector minimizing the sum of a value of the quadratic error function having a motion vector as a variable and the motion vector changing amount in neighboring blocks is determined, and it is linearly interpolated by a motion vector interpolation circuit 314 to obtain a motion vector in a pixel unit, and a motion compensated picture is generated, and a differential picture of the current frame and this motion compensated picture is divided into sub-bands by a video transform circuit 304, and only the information in the region of the larger differential signal energy is coded.

摘要翻译： 通过运动矢量校正电路313，确定最小化具有作为变量的运动矢量的二次误差函数的值与相邻块中的运动矢量变化量的和的运动矢量，并且通过运动矢量线性内插 内插电路314，以获得像素单位中的运动矢量，并且生成运动补偿图像，并且通过视频变换电路304将当前帧和该运动补偿图像的差分图像划分为子带，并且仅 编码较大差分信号能量区域的信息。

公开(公告)号：US5479218A

公开(公告)日：1995-12-26

申请号：US141051

申请日：1993-10-26

申请人： Minoru Etoh

发明人： Minoru Etoh

IPC分类号： H04N5/21 ,  G06T7/20 ,  H04N7/00 ,  H04N19/105 ,  H04N19/136 ,  H04N19/189 ,  H04N19/19 ,  H04N19/192 ,  H04N19/196 ,  H04N19/423 ,  H04N19/50 ,  H04N19/51 ,  H04N19/533 ,  H04N19/57 ,  H04N19/80 ,  H04N7/32

CPC分类号： G06T7/2066 ,  G06T7/208 ,  H04N19/51

摘要： By expanding the technique of detection of a motion vector by the of time-space differential method, (1) repetitive calculations are not needed, (2) different motion vectors near the boundary of an object can be detected, and (3) coupling of the region segmentation and the framework is enabled. For this, a horizontal direction differentiating filter (104), a vertical direction differentiating filter (105), and a time direction differentiating filter (106) calculate the time-space differential (.differential.I/.differential.x, .differential.I/.differential.y, .differential.I/.differential.t) in formula (2) necessary for motion vector estimation in every pixel. A feature vector combining part (110) generates a sample vector coupling the time-space differential value and position for a random image position (x, y), and clusters from pairs of samples and classes, to minimize the difference in a maximum likelihood class determining part (112) and a maximum likelihood class data changing part (113). The motion vector is obtained from the third eigen vector of covariance matrix of the time-space differential value.

摘要翻译： 通过利用时空微分法扩展运动矢量检测技术，（1）不需要重复计算，（2）可以检测到物体边界附近的不同运动矢量，（3）耦合 区域分割和框架启用。 为此，水平方向微分滤波器（104），垂直方向微分滤波器（105）和时间方向微分滤波器（106）计算时空微分（DIFFERENTIAL I / DIFFERENTIAL x，DIFFERENTIAL I / DIFFERENTIAL Y，DIFFERENTIAL I / DIFFERENTIAL t）在每个像素中运动矢量估计所需的公式（2）中。 特征向量组合部分（110）产生一个样本向量，它将随机图像位置（x，y）的时空微分值和位置，以及样本和类别对的聚类，以最小化最大似然等级的差异 确定部分（112）和最大似然类数据改变部分（113）。 运动矢量是从时空微分值的协方差矩阵的第三个特征向量获得的。

公开(公告)号：US09686563B2

公开(公告)日：2017-06-20

申请号：US12644464

申请日：2009-12-22

申请人： Satoru Adachi ,  Choong Seng Boon ,  Sadaatsu Kato ,  Minoru Etoh ,  Thiow Keng Tan

发明人： Satoru Adachi ,  Choong Seng Boon ,  Sadaatsu Kato ,  Minoru Etoh ,  Thiow Keng Tan

IPC分类号： H04N7/26 ,  H04N19/577 ,  H04N19/46 ,  H04N19/61 ,  H04N19/44 ,  H04N19/423 ,  H04N19/58

CPC分类号： H04N19/577 ,  H04N19/423 ,  H04N19/44 ,  H04N19/46 ,  H04N19/58 ,  H04N19/61

摘要： A video processing system 100 is provided with video encoding device 10 and video decoding device 20. The video encoding device 10 implements backward interframe prediction from a temporally subsequent frame and outputs information indicating that an option to eliminate use of a decoded image of the temporally subsequent frame was chosen. The video decoding device 20 eliminates use of the decoded image of the frame on the basis of this information, in conjunction with input of the information for eliminating use of the decoded image of the temporally subsequent frame.

公开(公告)号：US08422809B2

公开(公告)日：2013-04-16

申请号：US12895109

申请日：2010-09-30

申请人： Satoru Adachi ,  Minoru Etoh ,  Sadaatsu Kato ,  Thiow Keng Tan

发明人： Satoru Adachi ,  Minoru Etoh ,  Sadaatsu Kato ,  Thiow Keng Tan

IPC分类号： G06K9/46

CPC分类号： H04N19/625 ,  H04N19/122 ,  H04N19/129 ,  H04N19/13 ,  H04N19/176 ,  H04N19/18 ,  H04N19/46 ,  H04N19/61

摘要： Image encoding apparatus 10 according to the present invention is an image encoding apparatus 10 for dividing image signals into blocks, performing an orthogonal transform of each block, reading resultant orthogonal transform coefficients to obtain a coefficient string, and performing entropy coding, which has block selector 14 for selecting a size of a block for the orthogonal transform, out of a plurality of blocks of different sizes; coefficient string divider 12 for, when a block of a size larger than a minimum size is selected by block selector 14, dividing a coefficient string in the block into a plurality of coefficient strings of a length equal to that of a coefficient string in a block of the minimum size; and encoder 13 for performing entropy coding adapted to the coefficient string in the block of the minimum size. This substantializes the image encoding apparatus capable of achieving efficient entropy coding in the orthogonal transform of variable sizes.

摘要翻译： 根据本发明的图像编码装置10是用于将图像信号划分成块的图像编码装置10，执行每个块的正交变换，读取所得到的正交变换系数以获得系数串，并执行具有块选择器的熵编码 14，用于从多个不同大小的块中选择正交变换的块的大小; 系数字符串分割器12，当通过块选择器14选择尺寸大于最小尺寸的块时，将块中的系数串划分成与块中的系数串的长度相等的多个系数串 的最小尺寸; 以及编码器13，用于执行适于最小尺寸的块中的系数串的熵编码。 这实现了能够在可变尺寸的正交变换中实现有效熵编码的图像编码装置。