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    • 1. 发明公开
    • 화상처리장치 및 화상처리방법
    • 图像处理设备和图像处理方法
    • KR1020090086169A
    • 2009-08-11
    • KR1020090009572
    • 2009-02-06
    • 캐논 가부시끼가이샤
    • 카시부치요이치카부라기히로시
    • H04N1/40H04N1/403H04N1/407
    • H04N1/405H04N1/40087
    • An image processing device and a method thereof are provided to realize the image quality, which comes close to that of a high-resolution printing engine, in a low-resolution printing engine. A scanner unit(101) reads a document. A controller(102) performs the image processing for an image obtained from the scanner unit, and then stores the processed image in a memory(105). A user sets up various printing conditions for the image read by the scanner unit through a manipulation unit(104). A threshold value including a high-definition dither matrix is compared with pixel values of each pixel within a low-resolution input image. A signal value of multi-gray scale is outputted.
    • 提供了一种图像处理装置及其方法,以在低分辨率打印引擎中实现接近于高分辨率打印引擎的图像质量。 扫描仪单元(101)读取文档。 控制器(102)对从扫描器单元获得的图像执行图像处理,然后将处理的图像存储在存储器(105)中。 用户通过操纵单元(104)为由扫描仪单元读取的图像设置各种打印条件。 将包括高清晰度抖动矩阵的阈值与低分辨率输入图像内的每个像素的像素值进行比较。 输出多灰阶的信号值。