Image compression is a type of data compression applied to digital images, to reduce their cost for storage or transmission. Algorithms may take advantage...

became more common, and standards for lossless image compression emerged. In the early 1990s, lossy compression methods began to be widely used. In these schemes...

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

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

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

approximation create coarser images as more details are removed. This is opposed to lossless data compression (reversible data compression) which does not degrade...

Lossless compression is a class of data compression that allows the original data to be perfectly reconstructed from the compressed data with no loss of...

data compression. PNG was developed as an improved, non-patented replacement for Graphics Interchange Format (GIF). PNG supports palette-based images (with...

done so using lossy compression or lossless compression. For graphic design applications, vector formats are often used. Some image file formats support...

some image compression algorithms (e.g. JPEG), S3TC's fixed-rate data compression coupled with the single memory access (cf. Color Cell Compression and...

JPEG XR (JPEG extended range) is an image compression standard for continuous tone photographic images, based on the HD Photo (formerly Windows Media Photo)...

Texture compression is a specialized form of image compression designed for storing texture maps in 3D computer graphics rendering systems. Unlike conventional...

JPEG 2000 (JP2) is an image compression standard and coding system. It was developed from 1997 to 2000 by a Joint Photographic Experts Group committee...

Revision 5.0 was released and it added support for palette color images and LZW compression. TIFF is a complex format, defining many tags of which typically...

lossy image compression. This first practical fractal compression system for digital images resembles a vector quantization system using the image itself...

technologies, and data compression algorithms. The invention of computerized axial tomography (CAT scanning), using x-rays to produce a digital image of a "slice"...

applications as a competitor to RealVideo, and WMV Screen and WMV Image compression technologies, which cater to specialized content. After standardization...

and communications of electronic image data are prohibitive without the use of compression. JPEG 2000 image compression is used by the DICOM standard for...

lossless compression in the same animation, and support for seeking to specific frames. Google reports a 64% reduction in file size for images converted...

technique in signal processing and data compression. It is used in most digital media, including digital images (such as JPEG and HEIF), digital video...

ICER is a wavelet-based image compression file format used by the NASA Mars rovers. ICER has both lossy and lossless compression modes. The Mars Exploration...

In data compression and psychoacoustics, transparency is the result of lossy data compression accurate enough that the compressed result is perceptually...

CCITT Group 4 compression, also referred to as G4 or Modified Modified READ (MMR), is a lossless method of image compression used in Group 4 fax machines...

of the ART format can lead to image quality being sacrificed for the sake of image compression (for instance, the image's color palette can be limited)...

Wavelet compression is a form of data compression well suited for image compression (sometimes also video compression and audio compression). Notable...

Forgent Networks claimed this patent, granted in 1987, covered the JPEG image compression format. The broadest claims of the US patent were found to be invalid...

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

compression (data), reducing the data required for audio Compression artifact, defect in data due to compression Image compression, of digital images...

usually due to memory limitations, and enables efficient compression of certain types of images. The name "color quantization" is primarily used in computer...

data compression well suited for image compression (sometimes also video compression and audio compression) Transform coding: type of data compression for...