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图象处理装置和图象处理方法

申请公布号:CN1220964C

申请号:CN00134276.2

申请日期:2000.11.30

申请公布日期:2005.09.28

申请人:
松下电器产业株式会社

发明人:渡边辰巳;小章夫;桒原康浩;黑泽俊晴;奥博隆

分类号:G06T1/00;G06F3/12;G06F3/16;G06F9/44

主分类号:G06T1/00

代理机构:
中国国际贸易促进委员会专利商标事务所

代理人:杜日新

地址:日本大阪府

摘要:一种图象处理装置和图象处理方法,与输入的图象种类无关地高速进行用于进行打印机输出所必需的图象的色修正等色处理。根据输入的图象中包含的信息,对象图象隔离部件将该图象分离成由绘画指令生成的摄影图象和由位图数据生成的摄影图象。对于指令图象,指令图象处理部件仅对其调色板信息进行色处理。而对于摄影图象,摄影图象处理部件决定近似图象色信息的代表色,仅对该代表色进行色处理。

主权项:1.一种图象处理装置,对采用打印机驱动器生成的控制语言以下称为输出控制语言所记述的彩色图象,通过色处理,将其变换为对应于输出装置的色数据,生成输出图象,将该输出图象输出给输出装置的打印机引擎,其特征在于:其中,处理按象素单位带有色数据的摄影图象的摄影图象处理部件包括:色数压缩部件,压缩摄影图象的色数据,决定至少一种代表色;代表色处理部件,进行所述代表色的色处理;和图象复原部件,根据色处理后的所述代表色,将所述摄影图象变换成象素图象,上述色数压缩部件还包括:图象分割部件,将所述摄影图象分割成多个图象块;和代表色决定部件,对所述各图象块,根据该图象块内的象素的色数据的统计分布,来决定该图象块的至少一种代表色。

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