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公开(公告)号：US5412486A
公开(公告)日：1995-05-02
申请号：US112141
申请日：1993-08-26
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。
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2.发明授权Encoding the original image data and progessively encoding the image data independently 失效对原始图像数据进行编码，并对图像数据进行独立编码
公开(公告)号：US5267052A
公开(公告)日：1993-11-30
申请号：US673411
申请日：1991-03-22
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 method and apparatus encodes input image data, and performs processing using encoded image data. The method and apparatus can progressively encode input images, store and transmit the encoded images, and display a plurality of low-resolution images on one picture surface.
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公开(公告)号：US5903366A
公开(公告)日：1999-05-11
申请号：US136619
申请日：1993-10-15
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。
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公开(公告)号：US5621826A
公开(公告)日：1997-04-15
申请号：US444770
申请日：1995-05-19
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。
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公开(公告)号：US5345517A
公开(公告)日：1994-09-06
申请号：US895241
申请日：1992-06-08
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。
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公开(公告)号：US6101282A
公开(公告)日：2000-08-08
申请号：US665953
申请日：1996-06-19
摘要： An image processing apparatus entropy encodes plural encoding target data by using a first entropy encoding table to provide respective data amounts of plural encoded data and compares the data amounts of plural encoded data with each other. One of the plural encoding target data is selected according to the result of the comparison and a second entropy encoding table is produced according to the content of the selected encoding target data. The apparatus then entropy encodes the selected encoding target data utilizing the second entropy encoding table.
摘要翻译： 图像处理装置通过使用第一熵编码表熵编码多个编码对象数据，以提供多个编码数据的相应数据量，并将多个编码数据的数据量彼此进行比较。 根据比较结果选择多个编码对象数据之一，根据所选择的编码对象数据的内容生成第二熵编码表。 然后，该装置利用第二熵编码表熵编码所选择的编码目标数据。
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7.发明授权Method and apparatus for image encoding in which reference pixels for predictive encoding can be selected based on image size 失效用于图像编码的方法和装置可以基于图像大小来选择用于预测编码的参考像素
公开(公告)号：US5086487A
公开(公告)日：1992-02-04
申请号：US438082
申请日：1989-11-02
摘要： There is disclosed an image encoding system in which a size of an image to be encoded is inputted, reference pixel positions or the number of reference pixels are determined in accordance with an input image size, and a noticed pixel is encoded by using reference pixels of the determined pixel positions or the determined member.
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8.发明授权Encoding apparatus and method for encoding a quantized difference between an input signal and a prediction value 失效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
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。
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公开(公告)号：US6061474A
公开(公告)日：2000-05-09
申请号：US668635
申请日：1996-06-21
摘要： An encoding error by the encoding and the decoding of an image is controlled within a predetermined range by an image processing apparatus which includes an input unit for inputting image data, a prediction unit for predicting pixel values indicated by the image data, a generation unit for generating pixel values derived by converting the pixel values of the image data within a range of .+-.e based on the prediction result by said prediction unit and an encoding unit for encoding parameters relating to the pixel values generated by said generation unit based on the prediction result by said prediction unit. An image having a gradient in the values of block pixels is encoded at a high efficiency by an image processing apparatus which includes a division unit for dividing an image into block pixels to be encoded, a generation unit for generating parameters defining a plane based on values of first block pixels and values indicating positions of the block pixels to be encoded and a plane encoding unit for encoding difference values between the values of the block pixels indicated by the plane defined by the parameters and the values of the encoded block pixels.
摘要翻译： 通过图像处理装置将图像的编码和解码的编码误差控制在预定范围内，图像处理装置包括用于输入图像数据的输入单元，用于预测由图像数据指示的像素值的预测单元，用于 生成通过基于所述预测单元的预测结果将图像数据的像素值转换为+/- e的范围而得到的像素值，以及编码单元，用于对与所述生成单元生成的像素值进行编码的参数基于 所述预测单元的预测结果。 具有块像素值的梯度的图像由包括用于将图像划分为待编码的块像素的分割单元的图像处理装置以高效率编码，用于基于值生成定义平面的参数的生成单元 第一块像素和表示要编码的块像素的位置的值以及用于编码由参数所定义的平面所指示的块像素的值与编码块像素的值之间的差值的平面编码单元。
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10.发明授权Image processing apparatus capable of removing an edge portion from a multi-level color signal based on a binary color signal 失效能够基于二值颜色信号从多级彩色信号中去除边缘部分的图像处理装置
公开(公告)号：US5917956A
公开(公告)日：1999-06-29
申请号：US908379
申请日：1997-08-07
摘要： An image processing apparatus comprising binarization means for converting a multi-level color signal into binary form, removal means for removing edge component from the multi-level color signal, based on a binary color signal from said binarization means, and encoder means for encoding the binary color signal from said binarization means and the multi-level color signal having edge component removed with said removal means.
摘要翻译： 一种图像处理装置，包括：二值化装置，用于将多级彩色信号转换为二进制形式;基于来自所述二进制化装置的二进制彩色信号从多级彩色信号中去除边缘分量的去除装置;以及编码装置， 来自所述二值化装置的二进制彩色信号和具有用所述去除装置去除的边缘分量的多级彩色信号。
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