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ISO/IEC 14492

Information technology — Lossy/ lossless coding of bi-level images

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Organization: ISO
Publication Date: 1 March 2019
Status: active
Page Count: 182
ICS Code (Coding of graphical and photographical information): 35.040.30
scope:

This Recommendation | International Standard 1 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.

1 This Recommendation | International Standard includes an electronic attachment with a reference source code implementation and test bitstreams.

Document History

ISO/IEC 14492
March 1, 2019
Information technology — Lossy/ lossless coding of bi-level images
This Recommendation | International Standard 1 defines methods for coding bi-level images and sets of images (documents consisting of multiple pages). It is particularly suitable for bi-level images...
December 1, 2012
Information technology - Lossy/lossless coding of bi-level images AMENDMENT 3: Extension to colour coding
A description is not available for this item.
December 15, 2001
Information technology Lossy/lossless coding of bi-level images AMENDMENT 1: Encoder
A description is not available for this item.
December 15, 2001
Information Technology - Lossy/Lossless Coding of Bi-Level Images
A description is not available for this item.
December 15, 2001
Information Technology - Lossy/Lossless Coding of Bi-Level Images AMENDMENT 2: Extension of adaptive templates for halftone coding
A description is not available for this item.

References

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