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2. Image conversion - Wikipedia

   en.wikipedia.org/wiki/Image_conversion

   Like any resampling operation, changing image size and bit depth are lossy in all cases of downsampling, such as 30-bit to 24-bit or 24-bit to 8-bit palette-based images.. While increasing bit depth is usually lossless, increasing image size can introduce aliasing or other undesired artifa

3. OpenJPEG - Wikipedia

   en.wikipedia.org/wiki/OpenJPEG

   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 ]

4. libjpeg - Wikipedia

   en.wikipedia.org/wiki/Libjpeg

   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 ...

5. List of file signatures - Wikipedia

   en.wikipedia.org/wiki/List_of_file_signatures

   Free Lossless Audio Codec [42] 4D 54 68 64: MThd: 0 mid midi MIDI sound file [43] D0 CF 11 E0 A1 B1 1A E1: ÐÏ␑ࡱ␚á: 0 doc xls ppt msi msg Compound File Binary Format, a container format defined by Microsoft COM. It can contain the equivalent of files and directories.

6. JPEG File Interchange Format - Wikipedia

   en.wikipedia.org/wiki/JPEG_File_Interchange_Format

   The JPEG standard used for the compression coding in JFIF files does not define which color encoding is to be used for images. JFIF defines the color model to be used: either Y for greyscale, or YCbCr derived from RGB color primaries as defined in CCIR 601 (now known as Rec. ITU-R BT.601), except with a different "full range" scaling of the Y ...

7. File:Example.jpg - Wikipedia

   en.wikipedia.org/wiki/File:Example.jpg

   The JPG image is the example inserted when a user clicks the "embedded file" or "picture gallery" buttons in the edit toolbar. Pages (including user pages) with this image left may be actively sought out and fixed.