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1. 发明授权

US5903366A Color image encoding method 失效
标题翻译：彩色图像编码方法
公开(公告)号：US5903366A
公开(公告)日：1999-05-11
申请号：US136619
申请日：1993-10-15
申请人： Yasuji Hirabayashi , Hidefumi Ohsawa , Tadashi Yoshida
发明人： Yasuji Hirabayashi , Hidefumi Ohsawa , Tadashi Yoshida
IPC分类号： G06T9/00 , H04N1/417 , H04N1/64 , H04N1/46
CPC分类号： G06T9/005 , H04N1/417 , H04N1/648
摘要： A color image encoding method to encode a color image signal expressed by a plural number of color component signals, wherein the plural number of color component signals of a pixel of interest are input serially, encoding conditions are serially determined in relation to each color component signal of the pixel of interest input serially, and each color component signal of the pixel of interest input serially is encoded according to the encoding conditions determined serially.
摘要翻译：一种彩色图像编码方法，用于对由多个颜色分量信号表示的彩色图像信号进行编码，其中，将感兴趣像素的多个颜色分量信号串行输入，编码条件相对于每个颜色分量信号，并且根据串行确定的编码条件，对串行输入的兴趣像素的每个颜色分量信号进行编码。

2. 发明授权

US5621826A Image reduction apparatus 失效
标题翻译：图像缩小装置
公开(公告)号：US5621826A
公开(公告)日：1997-04-15
申请号：US444770
申请日：1995-05-19
申请人： Akihiro Katayama , Mitsuru Maeda , Yasuji Hirabayashi , Tadashi Yoshida
发明人： Akihiro Katayama , Mitsuru Maeda , Yasuji Hirabayashi , Tadashi Yoshida
IPC分类号： H04N1/40 , H04N1/409 , H04N1/41 , H04N1/417 , G06K9/42
CPC分类号： H04N1/4172 , H04N1/40062 , H04N1/40068 , H04N1/409 , H04N1/4105
摘要： An image reduction apparatus includes a smoothing unit for smoothing binary image data, a binarization unit for binarizing an output from the smoothing unit, a detection unit for detecting an attribute of the binary image data smoothed by the smoothing unit, a plurality of correction units corresponding to a plurality of attributes, and a selector for selecting one of the correction units in accordance with the attribute detected by the detection unit. An output from the binarization unit is corrected by the correction unit selected by the selector.
摘要翻译：图像缩小装置包括用于平滑二进制图像数据的平滑单元，用于对来自平滑单元的输出进行二值化的二值化单元，用于检测由平滑单元平滑化的二值图像数据的属性的检测单元，对应于多个校正单元多个属性，以及选择器，用于根据由检测单元检测的属性来选择一个校正单元。来自二值化单元的输出由选择器选择的校正单元校正。

3. 发明授权

US5412486A Image processing apparatus and method with dual mode encoding 失效
标题翻译：具有双模式编码的图像处理装置和方法
公开(公告)号：US5412486A
公开(公告)日：1995-05-02
申请号：US112141
申请日：1993-08-26
申请人： Yuuichi Bannai , Tadashi Yoshida , Yasuji Hirabayashi , Hidefumi Oosawa
发明人： Yuuichi Bannai , Tadashi Yoshida , Yasuji Hirabayashi , Hidefumi Oosawa
IPC分类号： G06T3/40 , H04N1/21 , H04N1/32 , H04N1/387 , H04N1/41 , H04N1/417 , H04N1/00
CPC分类号： H04N1/3875 , G06T3/40 , G06T3/4007 , H04N1/32101 , H04N1/32128 , H04N1/4172 , H04N1/32112 , H04N1/32122 , H04N2201/3202 , H04N2201/3226 , H04N2201/3271 , H04N2201/3277
摘要： An image processing apparatus receives first image data, and hierarchically reduces the size of the image represented by this first image data to generate second image data. An encoder generates encoded image data by encoding the second image data in a first mode, or by encoding the first image data in a second mode.
摘要翻译：图像处理装置接收第一图像数据，并分级地减小由该第一图像数据表示的图像的大小，以生成第二图像数据。编码器通过以第一模式对第二图像数据进行编码或者以第二模式对第一图像数据进行编码来生成编码图像数据。

4. 发明授权

US5345517A Image reduction apparatus 失效
标题翻译：图像缩小装置
公开(公告)号：US5345517A
公开(公告)日：1994-09-06
申请号：US895241
申请日：1992-06-08
申请人： Akihiro Katayama , Mitsuru Maeda , Yasuji Hirabayashi , Tadashi Yoshida
发明人： Akihiro Katayama , Mitsuru Maeda , Yasuji Hirabayashi , Tadashi Yoshida
IPC分类号： H04N1/40 , H04N1/409 , H04N1/41 , H04N1/417 , G06K9/40 , G06K9/42
CPC分类号： H04N1/4172 , H04N1/40062 , H04N1/40068 , H04N1/409 , H04N1/4105
摘要： An image reduction apparatus includes a smoothing unit for smoothing binary image data, a binarization unit for binarizing an output from the smoothing unit, a detection unit for detecting an attribute of the binary image data smoothed by the smoothing unit, a plurality of correction units corresponding to a plurality of attributes, and a selector for selecting one of the correction units in accordance with the attribute detected by the detection unit. An output from the binarization unit is corrected by the correction unit selected by the selector.
摘要翻译：图像缩小装置包括用于平滑二进制图像数据的平滑单元，用于对来自平滑单元的输出进行二值化的二值化单元，用于检测由平滑单元平滑化的二值图像数据的属性的检测单元，对应于多个校正单元多个属性，以及选择器，用于根据由检测单元检测的属性来选择一个校正单元。来自二值化单元的输出由选择器选择的校正单元校正。

5. 发明授权

US6049629A Coding apparatus for coding image data using one of an interpicture coding method and an interpicture motion-compensated coding method 失效
标题翻译：使用图像间编码方法和帧间运动补偿编码方法之一对图像数据进行编码的编码装置
公开(公告)号：US6049629A
公开(公告)日：2000-04-11
申请号：US711005
申请日：1996-09-11
申请人： Yasuji Hirabayashi
发明人： Yasuji Hirabayashi
IPC分类号： G06T9/00 , H04N7/26 , H04N7/30 , H04N7/36 , H04N7/50 , H04N7/54 , H04N7/137
CPC分类号： H04N7/54 , H04N19/126 , H04N19/152 , H04N19/176 , H04N19/18 , H04N19/503 , H04N19/59 , H04N19/60 , H04N19/61 , H04N19/107 , H04N19/124 , H04N19/132 , H04N19/146
摘要： An amount of data coded in the past is detected at a prescribed period. Criteria for deciding whether a pixel block of interest is to be coded by processing for motion-compensated coding of interframe difference, processing for coding of interframe difference without motion compensation or processing for intraframe coding are adjusted based upon the amount of code detected.
摘要翻译：在规定的周期内检测过去编码的数据量。用于通过对帧间差异的运动补偿编码进行处理来编码感兴趣像素块是否被编码的标准，基于检测到的代码量来调整用于编码帧间差异而不进行运动补偿的处理或用于帧内编码的处理的标准。

6. 发明授权

US5963342A Image processing apparatus and method thereof 失效
标题翻译：图像处理装置及其方法
公开(公告)号：US5963342A
公开(公告)日：1999-10-05
申请号：US544194
申请日：1995-10-17
申请人： Yasuji Hirabayashi
发明人： Yasuji Hirabayashi
IPC分类号： H04N1/41 , H04N1/40
CPC分类号： H04N1/41
摘要： An object of the present invention is to data compress a binary image which includes a pseudo expressed halftone image effectively. To attain this object, an image processing apparatus of the present invention comprises region division means for dividing an input binary image data into a region of a pseudo expressed halftone image portion and a region of another portion, first encoding means for generating multi-value image data from binary image data of said pseudo expressed halftone image portion and encoding the obtained multi-value image data, second encoding means for encoding at least a part of the binary image data from a portion other than the pseudo expressed halftone image portion.
摘要翻译：本发明的目的是有效地对包含伪表达的半色调图像的二进制图像进行数据压缩。为了实现该目的，本发明的图像处理装置包括区域划分装置，用于将输入的二进制图像数据分割成伪表达的半色调图像部分和另一部分的区域的区域，用于产生多值图像的第一编码装置来自所述伪表示半色调图像部分的二进制图像数据的数据并对所获得的多值图像数据进行编码的第二编码装置，用于对来自伪表示的半色调图像部分之外的部分的至少一部分二进制图像数据进行编码。

7. 发明授权

US5903669A Image processing apparatus and method 失效
标题翻译：图像处理装置及方法
公开(公告)号：US5903669A
公开(公告)日：1999-05-11
申请号：US591154
申请日：1996-01-25
申请人： Yasuji Hirabayashi
发明人： Yasuji Hirabayashi
IPC分类号： H04N19/00 , G06T9/00 , H04N19/119 , H04N19/136 , H04N19/14 , H04N19/192 , H04N19/196 , H04N19/36 , H04N19/46 , H04N19/463 , H04N19/625 , H04N19/70 , H04N19/90 , H04N19/91 , G06K9/36
CPC分类号： G06T9/007
摘要： In compressing an image in units of blocks, the image is compressed in accordance with the size of a redundant portion of the image to increase the compression factor of the image data. An image compression apparatus for encoding an image in units of blocks includes a size discrimination unit for discriminating a block image size suitable for encoding and compressing a predetermined image area, a generation unit for dividing the image area to generate a plurality of block images having different sizes on the basis of the discrimination result of the size discrimination unit, and a compression unit for compressing each block image data representing a block image and generated from the generation unit, on the basis of the size of the block image data.
摘要翻译：在以块为单位压缩图像时，根据图像的冗余部分的大小压缩图像，以增加图像数据的压缩因子。用于以块为单位对图像进行编码的图像压缩装置包括用于鉴别适合于对预定图像区域进行编码和压缩的块图像尺寸的尺寸鉴别单元，用于分割图像区域以生成具有不同的多个块图像的生成单元基于尺寸判别单元的判别结果的尺寸;以及压缩单元，用于根据块图像数据的大小来压缩表示块图像并从生成单元生成的块图像数据。

8. 发明授权

US5892546A Encoding apparatus and method for encoding a quantized difference between an input signal and a prediction value 失效
标题翻译：用于对输入信号和预测值之间的量化差进行编码的编码装置和方法
公开(公告)号：US5892546A
公开(公告)日：1999-04-06
申请号：US479371
申请日：1995-06-07
申请人： Yasuji Hirabayashi , Tadashi Yoshida , Hidefumi Ohsawa
发明人： Yasuji Hirabayashi , Tadashi Yoshida , Hidefumi Ohsawa
IPC分类号： G06T7/20 , G06T9/00 , H04N5/14 , H04N7/26 , H04N7/36 , H04N11/04 , H04N7/32
CPC分类号： H04N19/14 , G06T7/2013 , G06T7/2026 , H04N19/186 , H04N19/503 , H04N19/51 , H04N19/53 , H04N5/145 , G06T2207/10016 , G06T2207/10024 , H04N11/044
摘要： An encoding apparatus wherein a difference between an input signal to be encoded and a prediction value is quantized, the quantized signal is generated, the quantized differential signal is inversely quantized, the sum of the inversely quantized reproduction differential signal and the prediction value is stored, the stored signal is read out on the basis of an address signal regarding the input signal, the read-out signal and the input signal are received as inputs and the prediction value is obtained. When the prediction value is derived, an evaluation function to obtain the prediction value is determined in accordance with chromaticity statistics of the input signal.
摘要翻译：一种编码装置，其中对要编码的输入信号和预测值之间的差被量化，产生量化信号，量化的差分信号被反量化，存储反量化的再现差分信号和预测值的和，基于关于输入信号的地址信号读出存储的信号，接收读出信号和输入信号作为输入，并获得预测值。当导出预测值时，根据输入信号的色度统计来确定获得预测值的评估函数。

9. 发明授权

US5787205A Motion vector detecting device 失效
标题翻译：运动矢量检测装置
公开(公告)号：US5787205A
公开(公告)日：1998-07-28
申请号：US933501
申请日：1997-09-18
申请人： Yasuji Hirabayashi
发明人： Yasuji Hirabayashi
IPC分类号： H04N19/50 , G06T7/20 , H04N19/423 , H04N19/503 , H04N19/51 , H04N19/513 , H04N19/533 , H04N19/57 , H04N19/91 , G06K9/36
CPC分类号： H04N19/51 , H04N19/56
摘要： The present invention provides a motion vector detecting device or method by which dependable motion vectors are detected. The device, according to one aspect of the invention, searches for a similar block in a previous image to a subject block in both a first area expanding from a corresponding position to the subject block and a second area expanding from a position indicated by a predictive vector and detecting a motion vector according to a result of the searching. Because there is a fair possibility of occurring the similar block in both the first and second areas.
摘要翻译：本发明提供一种检测可靠运动矢量的运动矢量检测装置或方法。根据本发明的一个方面，根据本发明的一个方面，在从对应位置扩展到对象块的第一区域以及从预测中指示的位置展开的第二区域中，在先前图像中的对象块中搜索类似的块，并根据搜索结果检测运动矢量。因为在第一和第二区域都有相似的块发生的公平可能性。

10. 发明授权

US5666154A Image communication apparatus and method therefor 失效
标题翻译：图像通信装置及其方法
公开(公告)号：US5666154A
公开(公告)日：1997-09-09
申请号：US549023
申请日：1995-10-27
申请人： Yasuji Hirabayashi
发明人： Yasuji Hirabayashi
IPC分类号： H04N19/60 , H04N7/14 , H04N19/126 , H04N19/132 , H04N19/162 , H04N19/164 , H04N19/167 , H04N19/176 , H04N19/189 , H04N19/423 , H04N19/503 , H04N19/61 , H04N19/625 , H04N19/65 , H04N19/91 , H04N21/4402 , H04N21/4728
CPC分类号： H04N7/147
摘要： Image processing apparatus and method whereby image data is weighted and coded for transmission to a receiver. Structure and steps are provided for: (i) the receiver providing to an image pickup device designation information indicative of a desired area of the image data to be transmitted to the receiver; (ii) coding image data to be transmitted from the image pickup device; and (iii) controlling the coding process in accordance with the designation information provided by the receiver.
摘要翻译：图像处理装置和方法，其中图像数据被加权和编码以便传送到接收机。提供了以下结构和步骤：（i）接收机向图像拾取装置提供指示要发送到接收机的图像数据的期望区域的指定信息; （ii）对从图像拾取装置发送的图像数据进行编码; 和（iii）根据接收机提供的指定信息来控制编码过程。

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