Lossless compression of layered documents : how to set the “ don ’ t care ” pixels

  • ANNA ANSALONE
  • Published 2006

Abstract

Many bitmaps documents are a superposition of layers with pictures and text. Simard et al. in [1] have shown that the compression performance on these documents can be improved by separating images from text and by applying different compression algorithms on the two layers. In doing this the pixels not belonging to the layer that is currently being… (More)

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