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libjpeg is a free library with functions for handling the JPEG image data format. It implements a JPEG codec (encoding and decoding) alongside various utilities for handling JPEG data. It is written in C and distributed as free software together with its source code under the terms of a custom permissive ( BSD -like) free software license ...
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]
{{wikipedia-screenshot}} – Screenshots of Wikipedia web pages. {} – GNU General Public License. This tag is designed for GPL images licensed by others (usually as part of a software package). Do not use it to tag images you created yourself. Use another free license. {} – GNU General Public License, version 2 only.
Correct misinterpretations of free images. One of the main complaints about free images is lack of quality when compared with a promotional images. That is not true: there are very good free images as shown by Wikipedia:Featured pictures. In the case of replaceable images, it is possible that a promotional image will look better than free versions.
Typically, compressions using lossless operation mode can achieve around 2:1 compression ratio for color images. [5] This mode is quite popular in the medical imaging field, and defined as an option in DNG standard, but otherwise it is not very widely used because of complexity of doing arithmetics on 10, 12, or 14bpp values on typical embedded 32-bit processor and a little resulting gain in ...
Free software portal Wikimedia Commons has media related to Free photo software . This is a category of articles relating to photo software which can be freely used, copied, studied, modified, and redistributed by everyone that obtains a copy: " free software " or " open-source software ".
Continuously varied JPEG compression (between Q=100 and Q=1) for an abdominal CT scan. JPEG (/ ˈ dʒ eɪ p ɛ ɡ / JAY-peg, short for Joint Photographic Experts Group and sometimes retroactively referred to as JPEG 1) [2] [3] is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography.
JPEG XL is a royalty-free open standard for the compressed representation of raster graphics images. It defines a graphics file format and the abstract device for coding JPEG XL bitstreams.