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1. 发明授权

US06744925B2 Encoding apparatus, decoding apparatus, encoding method, and decoding method 有权
公开(公告)号：US06744925B2
公开(公告)日：2004-06-01
申请号：US09995661
申请日：2001-11-29
申请人： Tomohiro Kimura , Ikuro Ueno , Taichi Yanagiya , Masayuki Yoshida , Fumitaka Ono , Narihiro Matoba , Kunio Ueda
发明人： Tomohiro Kimura , Ikuro Ueno , Taichi Yanagiya , Masayuki Yoshida , Fumitaka Ono , Narihiro Matoba , Kunio Ueda
IPC分类号： G06K900
CPC分类号： H04N1/41 , H04N19/13 , H04N19/157 , H04N19/593
摘要： Encoding efficiency is enhanced by actively combining a plurality of encoding methods. A picture element memory receives and stores picture elements within a predetermined range. A mode determinator selects an encoding mode based upon a reference picture element. A first encoding section and a second encoding section predicts the value of the encoded picture element, determines whether the prediction is correct, and then encodes the value of the encoding picture element based on the determination result and outputs a codeword for the encoding picture element. An encoding controller selectively operates the first encoding section and the second encoding section based upon one of the specific encoding modes and the other encoding mode other than the specific encoding mode selected by the mode determinator.

2. 发明授权

US06636641B1 Encoding apparatus, decoding apparatus, encoding method and decoding method 有权
标题翻译：编码装置，解码装置，编码方法及解码方法
公开(公告)号：US06636641B1
公开(公告)日：2003-10-21
申请号：US09458061
申请日：1999-12-10
申请人： Tomohiro Kimura , Ikuro Ueno , Taichi Yanagiya , Masayuki Yoshida , Fumitaka Ono , Narihiro Matoba , Kunio Ueda
发明人： Tomohiro Kimura , Ikuro Ueno , Taichi Yanagiya , Masayuki Yoshida , Fumitaka Ono , Narihiro Matoba , Kunio Ueda
IPC分类号： G06K900
CPC分类号： H04N1/41 , H04N19/13 , H04N19/137 , H04N19/182 , H04N19/423 , H04N19/593
摘要： By combining a plurality of encoding methods actively, an encoding efficiency is enhanced. The first encoder encodes a result of determination whether a prediction error is zero or not. The second encoder encodes the prediction error unless the prediction error is zero. The third encoder encodes the prediction error regardless of whether the prediction error is zero or not. The mode determinator determines the encoding mode, and the encoding controller selectively operates the first encoder, the second encoder, and the third encoder according to the encoding mode determined.
摘要翻译：通过积极地组合多种编码方式，提高了编码效率。第一编码器对预测误差是否为零的确定结果进行编码。第二编码器编码预测误差，除非预测误差为零。无论预测误差是否为零，第三编码器对预测误差进行编码。模式确定器确定编码模式，并且编码控制器根据确定的编码模式选择性地操作第一编码器，第二编码器和第三编码器。

3. 发明授权

US06188793B1 Encoding apparatus, decoding apparatus, encoding method and decoding method 失效
标题翻译：编码装置，解码装置，编码方法及解码方法
公开(公告)号：US06188793B1
公开(公告)日：2001-02-13
申请号：US08952723
申请日：1997-11-19
申请人： Tomohiro Kimura , Ikuro Ueno , Taichi Yanagiya , Masayuki Yoshida , Fumitaka Ono , Narihiro Matoba , Kunio Ueda
发明人： Tomohiro Kimura , Ikuro Ueno , Taichi Yanagiya , Masayuki Yoshida , Fumitaka Ono , Narihiro Matoba , Kunio Ueda
IPC分类号： G06K900
CPC分类号： H04N1/41 , H04N19/12 , H04N19/14 , H04N19/182 , H04N19/593 , H04N19/93
摘要： By combining a plurality of encoding methods actively, an encoding efficiency is enhanced. The first encoder encodes a result of determination whether a prediction error is zero or not. The second encoder encodes the prediction error unless the prediction error is zero. The third encoder encodes the prediction error regardless of whether the prediction error is zero or not. The mode determinator determines the encoding mode, and the encoding controller selectively operates the first encoder, the second encoder, and the third encoder according to the encoding mode determined.
摘要翻译：通过积极地组合多种编码方式，提高了编码效率。第一编码器对预测误差是否为零的确定结果进行编码。第二编码器编码预测误差，除非预测误差为零。无论预测误差是否为零，第三编码器对预测误差进行编码。模式确定器确定编码模式，并且编码控制器根据确定的编码模式选择性地操作第一编码器，第二编码器和第三编码器。

4. 发明授权

US06754393B2 Encoding apparatus, decoding apparatus, encoding method, and decoding method 有权
标题翻译：编码装置，解码装置，编码方法和解码方法
公开(公告)号：US06754393B2
公开(公告)日：2004-06-22
申请号：US10419962
申请日：2003-04-22
申请人： Tomohiro Kimura , Ikuro Ueno , Taich Nagiya , Masayuki Yoshida , Fumitaka Ono , Narihiro Matoba , Kunio Ueda
发明人： Tomohiro Kimura , Ikuro Ueno , Taich Nagiya , Masayuki Yoshida , Fumitaka Ono , Narihiro Matoba , Kunio Ueda
IPC分类号： G06K900
CPC分类号： H04N1/41 , H04N19/13 , H04N19/157 , H04N19/593
摘要： Encoding efficiency is enhanced by actively combining a plurality of encoding methods. A picture element memory receives and stores picture elements within a predetermined range. A mode determinator selects an encoding mode based upon a reference picture element. A first encoding section and a second encoding section predicts the value of the encoded picture element, determines whether the prediction is correct, and then encodes the value of the encoding picture element based on the determination result and outputs a codeword for the encoding picture element. An encoding controller selectively operates the first encoding section and the second encoding section based upon one of the specific encoding modes and the other encoding mode other than the specific encoding mode selected by the mode determinator.
摘要翻译：通过主动组合多种编码方法来增强编码效率。图像元素存储器将图像元素接收并存储在预定范围内。模式确定器基于参考图像元素选择编码模式。第一编码部分和第二编码部分预测编码图像元素的值，确定预测是否正确，然后基于确定结果对编码图像元素的值进行编码，并输出编码图像元素的码字。编码控制器基于特定编码模式和除了由模式确定器选择的特定编码模式之外的其他编码模式之一来选择性地操作第一编码部分和第二编码部分。

5. 发明授权

US06411231B1 Encoding, decoding, and probability estimation method 有权
标题翻译：编码，解码和概率估计方法
公开(公告)号：US06411231B1
公开(公告)日：2002-06-25
申请号：US09275006
申请日：1999-03-24
申请人： Taichi Yanagiya , Tomohiro Kimura , Ikuro Ueno , Masayuki Yoshida , Fumitaka Ono
发明人： Taichi Yanagiya , Tomohiro Kimura , Ikuro Ueno , Masayuki Yoshida , Fumitaka Ono
IPC分类号： H03M700
CPC分类号： H03M7/4006
摘要： In an adaptive probability estimation method, an index referring to coding parameters is determined according to occurrence probabilities of symbols from estimated occurrence counts of symbols, thresholds for probability values that determine the probability intervals corresponding to the indexes are set to values that are examined with small operational load, and an index referring to the corresponding occurrence probability is selected without division, using the probability intervals determined by the thresholds for probability values.
摘要翻译：在自适应概率估计方法中，根据来自估计的符号发生次数的符号的出现概率来确定参照编码参数的索引，确定与索引对应的概率间隔的概率值的阈值被设置为小的检查值使用由概率值的阈值确定的概率间隔来选择参考相应出现概率的索引而不分割。

6. 发明授权

US5991449A Method and apparatus for encoding and decoding an image 失效
标题翻译：用于对图像进行编码和解码的方法和装置
公开(公告)号：US5991449A
公开(公告)日：1999-11-23
申请号：US680053
申请日：1996-07-15
申请人： Tomohiro Kimura , Ikuro Ueno , Taichi Yanagiya , Masayuki Yoshida , Fumitaka Ono , Naoto Tanabe
发明人： Tomohiro Kimura , Ikuro Ueno , Taichi Yanagiya , Masayuki Yoshida , Fumitaka Ono , Naoto Tanabe
IPC分类号： H04N19/102 , G06T9/00 , H03M7/36 , H04N1/41 , H04N19/103 , H04N19/134 , H04N19/136 , H04N19/137 , H04N19/182 , H04N19/189 , H04N19/192 , H04N19/196 , H04N19/423 , H04N19/426 , H04N19/50 , H04N19/85 , H04N19/91 , G06K9/36
CPC分类号： H04N19/593
摘要： An image memory outputs a target encoding pixel and a plurality of reference pixels in the vicinity thereof. A boundary mode determining unit determines a maximum value and a minimum value of the reference pixels, determines an average value of the maximum value and the minimum value, compares the respective reference pixel values with the average value, detects a boundary in the target encoding pixel and the reference pixels based on comparison results, and detects a pixel distribution state of the reference pixels based on the detected boundary. An adaptive predictor calculates a prediction value by performing a calculation based on a function corresponding to the pixel distribution state and the reference pixels. A prediction difference calculating unit determines a difference value between the prediction value and a value of the target encoding pixel. A prediction coincidence determining unit compares the prediction value and the target encoding pixel value, and outputs a comparison result as a binary signal. A context generator generates a context based on the pixel distribution state and the difference value of the prediction difference calculating unit. An arithmetic encoder encodes the binary signal based on the context thus generated.
摘要翻译：图像存储器输出其附近的目标编码像素和多个参考像素。边界模式确定单元确定参考像素的最大值和最小值，确定最大值和最小值的平均值，将各个参考像素值与平均值进行比较，检测目标编码像素中的边界和基于比较结果的参考像素，并且基于检测到的边界来检测参考像素的像素分布状态。自适应预测器通过基于与像素分布状态和参考像素对应的功能进行计算来计算预测值。预测差分计算单元确定预测值和目标编码像素的值之间的差值。预测符号确定单元将预测值和目标编码像素值进行比较，并输出比较结果作为二进制信号。上下文生成器基于像素分布状态和预测差分计算单元的差值来生成上下文。算术编码器根据这样生成的上下文对二进制信号进行编码。

7. 发明授权

US6075471A Adaptive coding method 失效
标题翻译：自适应编码方法
公开(公告)号：US6075471A
公开(公告)日：2000-06-13
申请号：US41134
申请日：1998-03-12
申请人： Tomohiro Kimura , Fumitaka Ono , Ikuro Ueno , Taichi Yanagiya , Masayuki Yoshida
发明人： Tomohiro Kimura , Fumitaka Ono , Ikuro Ueno , Taichi Yanagiya , Masayuki Yoshida
IPC分类号： H04N19/00 , H03M7/30 , H03M7/40 , H04N1/413 , H04N19/423 , H04N19/91 , H03M7/00
CPC分类号： H03M7/4006
摘要： An adaptive coding method is comprised of: a fourth step (508), (510) for calculating an occurrence frequency of either the more probable symbol (MPS) or the less probable symbol (LPS) with respective to the entered input; a fifth step (511) for comparing an occurrence time accumulated value calculated as the occurrence frequency at the fourth step with a preselected value (threshold value), and for reducing the occurrence time accumulated value by 1/2 in the case that the occurrence time accumulated value reaches the preselected value (threshold value); and a sixth step (513) for defining the more probable symbol (MPS) and the less probable symbol (LPS) in correspondence with a predetermined region on a numerical line with respect to the data signal to thereby output coordinate values on the numerical line as a corded word.
摘要翻译：自适应编码方法包括：第四步骤（508），（510），用于相应于输入的输入计算更可能符号（MPS）或较小可能符号（LPS）的出现频率; 第五步骤（511），用于将作为第四步骤的出现频率计算的出现时间累积值与预选值（阈值）进行比较，并且将发生时间累加值减少+ E，将1/2 + EE 发生时间累积值达到预选值（阈值）的情况; 以及第六步骤（513），用于与数据信号上的数字行上的预定区域相对应地定义更可能的符号（MPS）和较少的可能符号（LPS），从而在数字线上输出坐标值作为一个有用的词

8. 发明授权

US06489903B2 Data encoding method, data encoding apparatus, data decoding method, and data decoding apparatus 失效
标题翻译：数据编码方法，数据编码装置，数据解码方法以及数据解码装置
公开(公告)号：US06489903B2
公开(公告)日：2002-12-03
申请号：US09922853
申请日：2001-08-07
申请人： Tomohiro Kimura , Ikuro Ueno , Masayuki Yoshida
发明人： Tomohiro Kimura , Ikuro Ueno , Masayuki Yoshida
IPC分类号： H03M700
CPC分类号： H03M7/4006
摘要： An encoding/decoding method for predicting appearance probability of an information source symbol, while learning, and for dividing a valid section on a numerical straight line into both a first partial section to which an approximate value of the above-mentioned prediction appearance probability is applied and a second partial section remained in the valid section, to which such an arithmetic code is applied, the arithmetic code setting a partial section corresponding to an appearing symbol as a new valid section, is operated by storing thereinto such a fact that the prediction appearance probability is a specific value; by judging that the prediction appearance probability is equal to the specific value by referring to the relevant specific value; and by correcting an allocation between the first partial section and the second partial section when the judgement operation judges that the prediction appearance probability is equal to the specific value.
摘要翻译：一种编码/解码方法，用于在学习时预测信息源符号的出现概率，并将用于将数字直线上的有效部分划分为应用了上述预测出现概率的近似值的第一部分部分并且第二部分部分保留在应用这样的算术代码的有效部分中，将对应于出现的符号的部分部分设置为新的有效部分的算术代码通过存储在这样的事实中而被操作：预测外观概率是一个具体值; 通过参照相关的具体值判断预测出现概率等于具体值; 并且当判断操作判定预测出现概率等于该特定值时，通过校正第一部分部分和第二部分部分之间的分配。

9. 发明申请

US20100295713A1 CODING APPARATUS, DECODING APPARATUS, CODE TRANSFORMING APPARATUS, AND PROGRAM 审中-公开
标题翻译：编码设备，解码设备，代码转换设备和程序
公开(公告)号：US20100295713A1
公开(公告)日：2010-11-25
申请号：US12596650
申请日：2008-01-07
申请人： Ikuro Ueno , Ryuta Suzuki , Tomohiro Kimura
发明人： Ikuro Ueno , Ryuta Suzuki , Tomohiro Kimura
IPC分类号： H03M7/30
CPC分类号： H04N1/41 , H03M7/4006 , H04N1/32101
摘要： An coding apparatus includes a number-of-additional-bits calculating means 107 for calculating the number of bits which can be set, as additional bits, at an end of a code sequence in which an information source is entropy-coded on the basis of information about the end of the code sequence, the information being driven from code data which form the code sequence, and an additional bit coding means 108 for setting the additional bits having the number of bits at the end of the code sequence.
摘要翻译：一种编码装置包括：附加比特数计算装置107，用于在基于熵编码的信息源被熵编码的码序列的末尾处计算可设置的比特数作为附加比特关于代码序列结束的信息，从形成代码序列的代码数据驱动的信息，以及用于设置在代码序列结束时具有位数的附加位的附加位编码装置108。

10. 发明申请

US20080260275A1 Image Coding Apparatus 审中-公开
标题翻译：图像编码装置
公开(公告)号：US20080260275A1
公开(公告)日：2008-10-23
申请号：US11579453
申请日：2004-05-17
申请人： Ikuro Ueno , Toshiyuki Takahashi , Masayuki Yoshida , Fuminobu Ogawa
发明人： Ikuro Ueno , Toshiyuki Takahashi , Masayuki Yoshida , Fuminobu Ogawa
IPC分类号： H04N1/41
CPC分类号： H04N19/147 , H04N1/41 , H04N19/115 , H04N19/13 , H04N19/146 , H04N19/63
摘要： An image coding apparatus includes a rate control information extraction means for determining which up to a coding pass in which code block should be coded from the sum of the code amounts of the code blocks, the slope of an RD curve calculated from the distortion difference between a coding distortion at a time of coding each coding pass and a coding distortion at a time of coding a preceding coding pass, and the number of output bytes of the code amount of each coding pass, and the inverse of one of given rate control parameters which are listed in order of decreasing monotonously, and for outputting an end-of-coding pass, and a coded data extraction means for reading coded data including up to coded data corresponding to the end-of-coding pass, for adding the number of coding passes to the coded data, and for outputting them as a code stream.
摘要翻译：图像编码装置包括：速率控制信息提取装置，用于根据代码块的代码量的和来确定哪个代码块应编码的代码块中的哪一个，在编码每个编码遍期间的编码失真和编码前一编码遍期间的编码失真，以及每个编码遍的码量的输出字节数，以及给定速率控制参数之一的倒数它们按照单调递减的顺序列出，并且用于输出编码结束通过，以及编码数据提取装置，用于读取包括与编码结束通过相对应的编码数据的编码数据，用于将编码次数编码传递到编码数据，并将其作为代码流输出。

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