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    • 11. 发明授权
    • Image compression apparatus, image depression apparatus and method thereof
    • 图像压缩装置,图像压缩装置及其方法
    • US07149350B2
    • 2006-12-12
    • US09955290
    • 2001-09-19
    • Hirokazu ShodaSunao Tabata
    • Hirokazu ShodaSunao Tabata
    • G06K9/36
    • H04N1/64
    • An image compression apparatus includes a color region judging section which judges a color region of a color image signal and outputs the judgment information as the judgment result, a switch which chooses one compression parameter from a plurality of compression parameters corresponding to the judgment information supplied from the color region judging section, and a compressing section which compresses color image signals corresponding to the compression parameter chosen by the switch, wherein image compression and decompression with general color balance satisfactorily adjusted by appropriately setting the compression ratio that varies in accordance with color regions as required.
    • 图像压缩装置包括:颜色区域判断部分,其判断彩色图像信号的颜色区域并输出作为判断结果的判断信息;开关,其从与从所述判定信息提供的判断信息相对应的多个压缩参数中选择一个压缩参数 颜色区域判断部分和压缩部分,其压缩与由开关选择的压缩参数相对应的彩色图像信号,其中通过适当地设置根据颜色区域变化的压缩比令令人满意地调整通常色彩平衡的图像压缩和解压缩为 需要。
    • 12. 发明申请
    • Image processing apparatus
    • 图像处理装置
    • US20060209348A1
    • 2006-09-21
    • US11081023
    • 2005-03-16
    • Sunao Tabata
    • Sunao Tabata
    • G06K9/00
    • H04N1/32149H04N1/00803H04N1/32267H04N2201/0091H04N2201/3233H04N2201/327
    • An image processing apparatus includes a scanner that inputs image data on an original, a reduction process section that reduces image data input by the scanner, a memory that stores and combines image data that are reduced by the reduction process section, a blank-sheet detection section that detects whether the image data that is input by the scanner is a blank sheet or not, a watermark process section that draws a watermark on the image data stored in the memory or the combined image data, using a detection result of the blank-sheet detection section, a printer that prints image data on which the watermark is drawn by the watermark process section, and a control circuit that executes an overall control.
    • 图像处理装置包括:输入原稿上的图像数据的扫描器,减少由扫描仪输入的图像数据的缩小处理部,存储并组合由缩小处理部缩小的图像数据的存储器; 检测由扫描仪输入的图像数据是否为空白的部分,对存储在存储器中的图像数据或组合图像数据绘制水印的水印处理部, 片材检测部分,打印由水印处理部分绘制水印的图像数据的打印机以及执行总体控制的控制电路。
    • 13. 发明授权
    • Image processing apparatus
    • US07023582B2
    • 2006-04-04
    • US09933036
    • 2001-08-21
    • Takayuki SawadaSunao Tabata
    • Takayuki SawadaSunao Tabata
    • G06F15/00
    • H04N1/6072H04N1/6025
    • There is disclosed an image processing apparatus for generating an address based on a difference (MAX−MIN) between a maximum value MAX and a minimum value MIN among signals CMY indicating three primary colors of a color image for each pixel, and generating a black ink signal based on data read from a lookup table in which the data is read from the generated address, so that a black ink strength is independently set with respect to density and chroma of the image. Moreover, the lookup table with the black ink signal and an undercolor signal stored therein has a storage capacity of a number obtained by totaling a number at which the difference (MAX−MIN) between the maximum value MAX and the minimum value MIN is an integral multiple of a predetermined value and a number at which the difference is other than the integral multiple and the maximum value MAX is equal to a maximum value of a defined region. Thereby, all combinations of the maximum value MAX and minimum value MIN are linearly interpolated without disposing any storage region.
    • 14. 发明申请
    • Apparatus for image processing
    • 图像处理装置
    • US20060044576A1
    • 2006-03-02
    • US10806454
    • 2004-07-30
    • Sunao TabataHiroki Kanno
    • Sunao TabataHiroki Kanno
    • G06F15/00
    • H04N19/40H04N1/642H04N21/242H04N21/4302
    • An image processing apparatus according to an embodiment of the present invention has a first compressing section which compresses each block of an image into first compressed data, a first code converting section which converts the first compressed data into second compressed data, a second code converting section which converts the second compressed data into third compressed data, and a decoding section which decodes the third compressed data. In this case, each block of the second compressed data has a code length equal to or different from that of each block of the first compressed data. Each block of the third compressed data has a code length equal to that of each block of the first compressed data.
    • 根据本发明的实施例的图像处理装置具有将图像的每个块压缩为第一压缩数据的第一压缩部分,将第一压缩数据转换为第二压缩数据的第一代码转换部分,第二代码转换部分 其将第二压缩数据转换为第三压缩数据,以及对第三压缩数据进行解码的解码部分。 在这种情况下,第二压缩数据的每个块的代码长度等于或不同于第一压缩数据的每个块的代码长度。 第三压缩数据的每个块的代码长度等于第一压缩数据的每个块的代码长度。
    • 15. 发明授权
    • Image compression decoding apparatus and method thereof
    • 图像压缩解码装置及其方法
    • US06993181B2
    • 2006-01-31
    • US09955312
    • 2001-09-19
    • Sunao TabataNaofumi Yamamoto
    • Sunao TabataNaofumi Yamamoto
    • G06K9/00
    • G06T9/00
    • An image compression and decompression apparatus includes a identification section, a conversion section, a characteristics correction section, an image compression section, and a decompression section. The identification section identifies given color image information and outputs an identification signal. The conversion section converts color image information to block-based color image information having a specified length. The characteristics correction section corrects block-based color image information with respect to characteristics thereof in units of the blocks based on an identification signal output from the identification section. The image compression section compresses a corrected image in units of blocks and stores the compressed image in a storage area. The decompression section decompresses a compressed image in units of blocks.
    • 图像压缩和解压缩装置包括识别部分,转换部分,特征校正部分,图像压缩部分和解压缩部分。 识别部分识别给定的彩色图像信息并输出识别信号。 转换部分将彩色图像信息转换为具有指定长度的基于块的彩色图像信息。 特征校正部分基于从识别部分输出的识别信号,以块为单位相对于其特征校正基于块的彩色图像信息。 图像压缩部以块为单位压缩校正图像,并将压缩图像存储在存储区域中。 解压缩部分以块为单位解压缩压缩图像。
    • 16. 发明授权
    • System and method for coding and/or decoding image including bit-map of
different levels
    • 用于编码和/或解码图像的系统和方法,包括不同级别的位图
    • US6154569A
    • 2000-11-28
    • US616722
    • 1996-03-15
    • Eiichi SakaueSunao TabataNaofumi YamamotoHidekazu Sekizawa
    • Eiichi SakaueSunao TabataNaofumi YamamotoHidekazu Sekizawa
    • G06T9/00G06K9/36
    • G06T9/00
    • A coding and/or decoding system for an image including bit-sops of different levels, is provided in an image recoding system which recodes bit-map data including small-level bit-map data and multilevel bit-map data in an image memory and which read the bit-map data out of the image memory to recode an image. In this coding and/or decoding system, after small-level bit-map data and multilevel bit-map data are divided into blocks, each of which is composed of a plurality of picture elements, the divided small-level bit-map data and the divided multilevel bit-map data are inputted to small-level bit-map data coding section and multilevel bit-map data coding section, respectively. The small-level bit-map data are transformed into codes representative of the number of black or white and half-tone picture elements in the block, and the multilevel bit-map data are transformed into codes representative of the average value or the total in the block. These data are assigned to different codes of digital data written in the image memory, respectively, so as to provide an image recoding system which can effectively reduce the capacity of a page memory for storing an image information and which can recode an image including small-level and multilevel.
    • 在图像记录系统中提供了包括不同级别的位的图像的图像的编码和/或解码系统,其将包括图像存储器中的小级位图数据和多级位图数据的位图数据重新编码, 其读取图像存储器中的位图数据以重新编码图像。 在该编码和/或解码系统中,在小电平位图数据和多电平位图映射数据被划分成块之后,每个块由多个像素组成,分割的小电平位图数据和 分割的多电平位图数据分别输入到小电平位图数据编码部分和多电平位图数据编码部分。 小电平位图数据被变换成代表块中的黑色或白色和半色调像素的数量的代码,并且多级位图数据被转换成代表平均值或总数的代码 块。 这些数据分别被分配给写入图像存储器中的不同的数字数据代码,以便提供一种图像记录系统,其可以有效地降低用于存储图像信息的页面存储器的容量,并且可以重新编码包括小图像的图像, 水平和多层次。
    • 20. 发明申请
    • FORMAT PROCESSING APPARATUS FOR DOCUMENT IMAGE AND FORMAT PROCESSING METHOD FOR THE SAME
    • 用于文件图像和格式处理方法的格式处理装置
    • US20090202151A1
    • 2009-08-13
    • US12030355
    • 2008-02-13
    • Sunao Tabata
    • Sunao Tabata
    • G06K9/34G06K9/00
    • H04N1/41
    • An image processing apparatus of an embodiment of the invention includes a character region characteristic determination unit to identify a character region of an image and to output a character region characteristic determination signal, a character region image separation unit to separate, based on the character region characteristic determination signal, the image into at least two attribute regions, that is, plural character region images and an other region image, and a separated image processing unit to process each of the plural character region images and the other region image, and in at least the separated image processing unit, according to a characteristic of each of the plural character region images, at least one process of a compression method, a compression ratio, a resolution, and a multi-value number for at least one of the character region images is different from a process of the other region image or the other character region image.
    • 本发明实施例的图像处理装置包括字符区域特性确定单元,用于识别图像的字符区域并输出字符区域特性确定信号;字符区域图像分离单元,用于基于字符区域特征 确定信号,将图像分成至少两个属性区域,即多个字符区域图像和另一个区域图像,以及分离图像处理单元,用于处理多个字符区域图像和其他区域图像中的每一个,并且至少在 所述分离图像处理单元根据所述多个字符区域图像中的每一个的特征,对于所述字符区域图像中的至少一个的压缩方法,压缩比,分辨率和多值数量的至少一个处理 与其他区域图像或其他字符区域图像的处理不同。