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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. JPEGmini - Wikipedia

   en.wikipedia.org/wiki/JPEGmini

   This engine does the image transformation and generates an output that complies with all standards when paired with encode and decode blocks. With the use of this technique, JPEGmini Pro may reduce JPEG picture quality by up to 80%, or 5 times, while minimizing visual imperfections in digital photos.

4. Image file format - Wikipedia

   en.wikipedia.org/wiki/Image_file_format

   JPEG XL is a royalty-free raster-graphics file format that supports both lossy and lossless compression. It supports reversible recompression of existing JPEG files, as well as high-precision HDR (up to 32-bit floating point values per pixel component). It is designed to be usable for both delivery and authoring use cases.

5. Lossless JPEG - Wikipedia

   en.wikipedia.org/wiki/Lossless_JPEG

   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 ...

6. 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 ...

7. JPEG - Wikipedia

   en.wikipedia.org/wiki/JPEG

   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.

8. Comparison of graphics file formats - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_graphics...

   Full name Owner based Format ... superseded by Jpeg XL Yes FPX: FlashPix (1.0.2) .fpx ... royalty-free JPEG-LS: Joint Photographic Experts Group.jls

9. JPEG XL - Wikipedia

   en.wikipedia.org/wiki/JPEG_XL

   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.