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JPEG 2000 (JP2) is an image compression standard and coding system. It was developed from 1997 to 2000 by a Joint Photographic Experts Group committee chaired by Touradj Ebrahimi (later the JPEG president), [1] with the intention of superseding their original JPEG standard (created in 1992), which is based on a discrete cosine transform (DCT), with a newly designed, wavelet-based method.
Grok is a computer software library to encode and decode images in the JPEG 2000 format. It is designed for stability, high performance, and low memory usage. Grok is free and open-source software released under the GNU Affero General Public License (AGPL) version 3.
Kakadu is a closed-source library to encode and decode JPEG 2000 images. It implements the ISO/IEC 15444-1 standard fully in part 1, and partly in parts 2–3.
The JPEG XS standard is a classical wavelet-based still-image codec without any frame buffer. While the standard [27] defines JPEG XS based on a hypothetical reference coder, JPEG XS is easier to explain through the steps a typical encoder performs: [28]
OpenJPEG is an open-source library to encode and decode JPEG 2000 images. As of version 2.1 released in April 2014, it is officially conformant with the JPEG 2000 Part-1 standard. [3] It was subsequently adopted by ImageMagick instead of JasPer in 6.8.8-2 [4] and approved as new reference software for this standard in July 2015. [5]
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Information technology – JPEG 2000 image coding system: An entry-level JPEG 2000 encoder Part 14: 2013: ISO/IEC 15444-14: ITU-T Rec. T.813: Information technology – JPEG 2000 image coding system: XML structural representation and reference MRC: 1999: ISO/IEC 16485: ITU-T Rec. T.44: Information technology – Mixed Raster Content (MRC ...
The last image we have of Patrick Cagey is of his first moments as a free man. He has just walked out of a 30-day drug treatment center in Georgetown, Kentucky, dressed in gym clothes and carrying a Nike duffel bag.