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CAN/CSA-ISO/IEC 14492-04 (R2017)

CSA Group Information Technology - Lossy/Lossless Coding of Bi-Level Images (Adopted ISO/IEC 14492:2001, first edition, 2001-12-15)

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Scope This Recommendation | International Standard defines methods for coding bi-level images and sets of images (documents consisting of multiple pages). It is particularly suitable for bi-level images consisting of text and dithered (halftone) data.  The methods defined permit lossless (bit-preserving) coding, lossy coding, and progressive coding. In progressive coding, the first image is lossy; subsequent images may be lossy or lossless.  This Recommendation | International Standard also defines file formats to enclose the coded bi-level image data.
Scope This Recommendation | International Standard defines methods for coding bi-level images and sets of images (documents consisting of multiple pages). It is particularly suitable for bi-level images consisting of text and dithered (halftone) data.  The methods defined permit lossless (bit-preserving) coding, lossy coding, and progressive coding. In progressive coding, the first image is lossy; subsequent images may be lossy or lossless.  This Recommendation | International Standard also defines file formats to enclose the coded bi-level image data.