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    • 48. 发明公开
    • Printing image data generating device, thermal transfer printer, and computer program
    • Druckbilddatenerzeugungsvorrichtung,Wärmeübertragungsdruckerund Computerprogramm
    • EP2509031A2
    • 2012-10-10
    • EP12163101.4
    • 2012-04-04
    • Sinfonia Technology Co., Ltd.
    • Matsuda, KoichiTakeuchi, HarukiNomura, YoshitakaShimoi, Eri
    • G06K15/02G06F3/12H04N1/401
    • G06K15/1868G06F3/1208G06F3/1247G06K15/028H04N1/4072
    • A printing image data generating device (2) generates printing image data for a thermal transfer printer (1) that heats a thermal head generating friction force depending on grayscale values to thermally transfer ink. The printing image data generating device includes: an image data acquirer (21) configured to acquire image data as a printing subject; a density deviation line specifying section (22) configured to specify density deviation lines at which density after printing is estimated to deviate from desired density attributed to sudden change in the friction force; a correction-subject pixel specifying section (23) configured to specify, as a correction-subject pixel, a pixel whose variation degree of the grayscale value is lower than a predetermined value; a correcting section (24) configured to correct the grayscale value of the specified correction-subject pixel in such a direction as to eliminate density deviation; and a generating section (25) configured to generate the printing image data based on image data after correction.
    • 打印图像数据生成装置(2)生成热转印打印机(1)的打印图像数据,热转印打印机(1)根据灰度值加热产生摩擦力的热敏头以热转印油墨。 打印图像数据生成装置包括:图像数据获取器(21),被配置为获取作为打印对象的图像数据; 密度偏差线指定部(22),被配置为指定在印刷后的浓度被估计为偏离由于摩擦力的突然变化引起的期望密度的密度偏差线; 校正对象像素指定部(23),被配置为指定灰度值的变化度低于预定值的像素作为校正对象像素; 校正部件,被配置为以消除密度偏差的方向校正指定的校正对象像素的灰度值; 以及生成部(25),被配置为基于校正后的图像数据生成打印图像数据。