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He is also an author of EBCOT, one of the algorithms used in JPEG 2000. [2] The software library is named after Kakadu National Park. It is used by several applications, such as for example Apple Inc. QuickTime. It is also used in Google Earth and the online implementation thereof as well as Internet Archive. [3] [4] [5]
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.
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.
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]
J2K-Codec is a commercial library to decode JPEG 2000 images. Version 2.0 was released on 12 April 2011. [1]J2K-Codec supports decoding of different resolution levels and selective tile decoding. [2]
Compression for JPEG LS is generally slightly worse than JPEG 2000, but this highly depends on the image content. Decompression for JPEG LS is generally much faster than JPEG 2000, but this depends on the exact software decoder implementations. This statement is valid for open-source implementations.
Finally, Part 5 (ISO/IEC 21122-5) represents a reference software implementation (written in ISO C11) of the JPEG XS Part 1 decoder, conforming to the Part 2 profiles, levels and sublevels, as well as an exemplary encoder implementation. A second edition of all five parts is in the making and will be published at the latest in the beginning of ...
This enables reading and writing to a variety of formats, including JPEG, JPEG 2000, Apple Icon Image format, TIFF, PNG, PDF, BMP and more. SView5 may also run on Linux/x86 and MacOS/x86 using Mono .