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2. GIF - Wikipedia

   en.wikipedia.org/wiki/GIF

   Website. www.w3.org /Graphics /GIF /spec-gif89a.txt. The Graphics Interchange Format (GIF; / ɡɪf / GHIF or / dʒɪf / JIF, see § Pronunciation) is a bitmap image format that was developed by a team at the online services provider CompuServe led by American computer scientist Steve Wilhite and released on June 15, 1987.

3. Lempel–Ziv–Welch - Wikipedia

   en.wikipedia.org/wiki/Lempel–Ziv–Welch

   Lempel–Ziv–Welch (LZW) is a universal lossless data compression algorithm created by Abraham Lempel, Jacob Ziv, and Terry Welch. It was published by Welch in 1984 as an improved implementation of the LZ78 algorithm published by Lempel and Ziv in 1978. The algorithm is simple to implement and has the potential for very high throughput in ...

4. WebP - Wikipedia

   en.wikipedia.org/wiki/WebP

   WebP is a raster graphics file format developed by Google intended as a replacement for JPEG, PNG, and GIF file formats. It supports both lossy and lossless compression, [8] as well as animation and alpha transparency. Google announced the WebP format in September 2010, and released the first stable version of its supporting library in April 2018.

5. Comparison of graphics file formats - Wikipedia

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

   image/x-portable-bitmap. Yes. PCX. ZSoft PC Paintbrush File. ZSoft Corporation. .pcx, .pcc, .dcx. image/x-pcx. Dated rle packed indexed image format, used in some early 3d shooting games like Unreal Tournament as it takes up very little space and is easy to decode.

6. LZ77 and LZ78 - Wikipedia

   en.wikipedia.org/wiki/LZ77_and_LZ78

   LZ77 and LZ78 are the two lossless data compression algorithms published in papers by Abraham Lempel and Jacob Ziv in 1977 [1] and 1978. [2] They are also known as LZ1 and LZ2 respectively. [3] These two algorithms form the basis for many variations including LZW, LZSS, LZMA and others. Besides their academic influence, these algorithms formed ...

7. Compression artifact - Wikipedia

   en.wikipedia.org/wiki/Compression_artifact

   Original image, with good text edges and color grade. Loss of edge clarity and tone "fuzziness" in heavy JPEG compression. A compression artifact (or artefact) is a noticeable distortion of media (including images, audio, and video) caused by the application of lossy compression. Lossy data compression involves discarding some of the media's ...

8. Image compression - Wikipedia

   en.wikipedia.org/wiki/Image_compression

   Image compression. Image compression is a type of data compression applied to digital images, to reduce their cost for storage or transmission. Algorithms may take advantage of visual perception and the statistical properties of image data to provide superior results compared with generic data compression methods which are used for other ...

9. Run-length encoding - Wikipedia

   en.wikipedia.org/wiki/Run-length_encoding

   Run-length encoding (RLE) is a form of lossless data compression in which runs of data (consecutive occurrences of the same data value) are stored as a single occurrence of that data value and a count of its consecutive occurrences, rather than as the original run. As an imaginary example of the concept, when encoding an image built up from ...