Lossy compression
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In information technology, lossy compression or irreversible compression is the class of data compression methods that uses inexact approximations and...- the original representation. Any particular compression is either lossy or lossless. Lossless compression reduces bits by identifying and eliminating...
generic data compression methods which are used for other digital data. Image compression may be lossy or lossless. Lossless compression is preferred...
A compression artifact (or artefact) is a noticeable distortion of media (including images, audio, and video) caused by the application of lossy compression...- information. Lossless compression is possible because most real-world data exhibits statistical redundancy. By contrast, lossy compression permits reconstruction...
- Audio file format (redirect from Lossy compressed audio format)uncompressed, or compressed to reduce the file size, often using lossy compression. The data can be a raw bitstream in an audio coding format, but it...
- Image file format (section Image file compression)uncompressed. If the data is compressed, it may be done so using lossy compression or lossless compression. For graphic design applications, vector formats are often...
JPEG (redirect from Data compression/JPEG)used method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted...- List of algorithms (redirect from List of lossy compression algorithms)lossless compression by incremental grammar inference on a string 3Dc: a lossy data compression algorithm for normal maps Audio and Speech compression A-law...
- Error level analysis (category Data compression)(ELA) is the analysis of compression artifacts in digital data with lossy compression such as JPEG. When used, lossy compression is normally applied uniformly...
- JPEG XR (category Lossy compression algorithms)Microsoft originally developed and patented. It supports both lossy and lossless compression, and is the preferred image format for Ecma-388 Open XML Paper...
- S3 Texture Compression (S3TC) (sometimes also called DXTn, DXTC, or BCn) is a group of related lossy texture compression algorithms originally developed...
- Discrete cosine transform (category Lossy compression algorithms)by the Joint Photographic Experts Group as the basis for JPEG's lossy image compression algorithm in 1992. The discrete sine transform (DST) was derived...
- mostly zeros). In contrast, lossy compression (e.g. JPEG for images, or MP3 and Opus for audio) can achieve much higher compression ratios at the cost of a...
- OpenEXR (section Compression methods)floating point values, as well as various compression techniques which include lossless and lossy compression algorithms. It also has arbitrary channels...
Fractal compression is a lossy compression method for digital images, based on fractals. The method is best suited for textures and natural images, relying...- List of codecs (redirect from List of audio compression formats)The following is a list of compression formats and related codecs. Linear pulse-code modulation (LPCM, generally only described as PCM) is the format...
- Generation loss (category Data compression)using lossy video or audio compression codecs as these introduce artifacts into the source material with each encode or reencode. Lossy compression codecs...
Phred quality score (section Compression)lossless and lossy compression are recently being considered in the literature. For example, the algorithm QualComp performs lossy compression with a rate...- Foundation. LAME – Lossy compression (MP3 format). TooLAME/TwoLAME – Lossy compression (MP2 format). Musepack – Lossy compression; based on MP2 format...
- FBI- WSQ (Wavelet Scalar Quantization) Fingerprint Image Compression ― WSQ is a lossy compression that is able to preserve the high resolution details of
- Lossy image compression and lossy video compression (such as JPEG compression, MPEG compression, and fractal image compression) give much better reduction