In information technology, lossy compression or irreversible compression is the class of data compression methods that uses inexact approximations and...

A compression artifact (or artefact) is a noticeable distortion of media (including images, audio, and video) caused by the application of lossy compression...

the original representation. Any particular compression is either lossy or lossless. Lossless compression reduces bits by identifying and eliminating...

(ELA) is the analysis of compression artifacts in digital data with lossy compression such as JPEG. When used, lossy compression is normally applied uniformly...

generic data compression methods which are used for other digital data. Image compression may be lossy or lossless. Lossless compression is preferred...

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...

lossless compression by incremental grammar inference on a string 3Dc: a lossy data compression algorithm for normal maps Audio and Speech compression A-law...

used method of lossy compression for digital images, particularly for those images produced by digital photography. The degree of compression can be adjusted...

used by a codec implementing the format. An important part of how lossy audio compression works is by removing data in ways humans can't hear, according...

information. Lossless compression is possible because most real-world data exhibits statistical redundancy. By contrast, lossy compression permits reconstruction...

Microsoft originally developed and patented. It supports both lossy and lossless compression, and is the preferred image format for Ecma-388 Open XML Paper...

Foundation. LAME – Lossy compression (MP3 format). TooLAME/TwoLAME – Lossy compression (MP2 format). Musepack – Lossy compression; based on MP2 format...

data high error. This is why VQ is suitable for lossy data compression. It can also be used for lossy data correction and density estimation. Vector quantization...

MP3 standard. Concerning audio compression, which is its most apparent element to end-users, MP3 uses lossy compression to encode data using inexact approximations...

S3 Texture Compression (S3TC) (sometimes also called DXTn, DXTC, or BCn) is a group of related lossy texture compression algorithms originally developed...

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...

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...

Fractal compression is a lossy compression method for digital images, based on fractals. The method is best suited for textures and natural images, relying...

exactly (lossless compression) or approximately (lossy compression) to the original data. One-way compression functions are for instance used in the Merkle–Damgård...

psychophysics have guided the development of models and methods for lossy compression. These models help explain why humans typically perceive minimal loss...

compression standard for bi-level images, developed by the Joint Bi-level Image Experts Group. It is suitable for both lossless and lossy compression...

using lossy video or audio compression codecs as these introduce artifacts into the source material with each encode or reencode. Lossy compression codecs...

floating point values, as well as various compression techniques which include lossless and lossy compression algorithms. It also has arbitrary channels...

replacement for JPEG, PNG, and GIF file formats. It supports both lossy and lossless compression, as well as animation and alpha transparency. Google announced...

standard provides both lossless and lossy compression in a single compression architecture. Lossless compression is provided by the use of a reversible...

Berlin), to compress PCM audio in a lossless manner, in contrast to lossy compression algorithms. It is no longer developed because an advanced version...

Quantization, involved in image processing, is a lossy compression technique achieved by compressing a range of values to a single quantum (discrete)...

to quantify reconstruction quality for images and video subject to lossy compression. PSNR is most easily defined via the mean squared error (MSE). Given...

3Dc (FourCC : ATI2), also known as DXN, BC5, or Block Compression 5 is a lossy data compression algorithm for normal maps invented and first implemented...

Adaptive scalable texture compression (ASTC) is a lossy block-based texture compression algorithm developed by Jørn Nystad et al. of ARM Ltd. and AMD...