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Image processing method for superimposing high-resolution character data on low-resolution image data
Image processing method for superimposing high-resolution character data on low-resolution image data
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机译:用于在低分辨率图像数据上叠加高分辨率字符数据的图像处理方法
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摘要
600dpi binary character shape data is created from 600dpi character data inputted by a PC and written sequentially to a memory. The 600dpi character data inputted from the PC and 300dpi image data are stored as 300dpi 8-bit graphics data. Next, 600dpi 8-bit multi-value graphics data is created by dividing each pixel in the 300-dpi 8-bit graphics data into four small pixels. First and second correction processes are performed using a first correction table and the superimposed data is printed at a uniform 600dpi printing density.
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