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Image processing technique for binarizing an image scanned by a shuttle type scanner
Image processing technique for binarizing an image scanned by a shuttle type scanner
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机译:用于将往复式扫描仪扫描的图像二值化的图像处理技术
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摘要
In an image processing technique for binarizing an image scanned by a shuttle type scanner in a multifunctional machine using a small amount of memory, after scanning pixels of one slice from a document, each pixel of the scanned slice are binarized using a mask. The processing results of the error values generated during binarizing of final pixels of a plurality of slices of the band are stored in a first memory, and the processing results of error values generated during binarizing of each of the pixels of the scanned slice are stored in a second memory. When each of the first pixels of a plurality of slices in the next band are binarized, the processing results of the error values of the final pixels of a plurality of slices in the previous band, stored in the first memory, are scanned and then binarized. By using minimum band memories, the cost of the multifunctional machine can be reduced.
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