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'''Cartesian Perceptual Compression''' (abbreviated '''CPC''', with [[filename]] extension .cpc) is a proprietary [[image file|image]] [[file format]]. It was designed for high compression of black-and-white [[raster graphics|raster]] [[Document Imaging]] for archival scans.
CPC is [[lossy]], has no [[lossless]] mode, and is restricted to bi-tonal images. The company which controls the patented format claims it is highly effective in the compression of text, black-and-white (halftone) [[photograph]]s, and line art. The format is intended for use in the web distribution of legal documents, [[blueprint|design plans]], and geographical plot maps.
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