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2001
IEEE

Block-based segmentation and adaptive coding for visually lossless compression of scanned documents

12 years 1 months ago
Block-based segmentation and adaptive coding for visually lossless compression of scanned documents
This paper presents a novel block-based segmentation and adaptive coding(BSAC) algorithm for visually lossless compression of scanned documents that contain not only photographic images but also text and graphic images. For such compound image source, we structure the image into nonoverlapping blocks and classify each block into four different classes based on the empirical statistics within the block. Different coding strategies are applied to different classes in order to achieve the very best compression performance. Our new blockbased image coder is able to provide visually lossless compression
Xin Li, Shawmin Lei
Added 25 Oct 2009
Updated 25 Oct 2009
Type Conference
Year 2001
Where ICIP
Authors Xin Li, Shawmin Lei
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