Joint Photographic Experts Group


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Joint Photographic Experts Group

[¦jȯint ‚fōd·ə‚graf·iks ′ek‚spərts ‚grüp]
(computer science)
An international group that sets standards for continuous-tone image (still and video) coding.

Joint Photographic Experts Group

(image, body, file format, standard)
(JPEG) The original name of the committee that designed the standard image compression algorithm. JPEG is designed for compressing either full-colour or grey-scale digital images of "natural", real-world scenes. It does not work so well on non-realistic images, such as cartoons or line drawings. JPEG does not handle compression of black-and-white (1 bit-per-pixel) images or moving pictures. Standards for compressing those types of images are being worked on by other committees, named JBIG and MPEG.

http://jpeg.org/.

Filename extension: .jpg, .jpeg.

See also PJPEG.
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Reader-writer plug-ins are supplied for the Bitmap (BMP), Joint Photographic Experts Group (JPEG), Revised Lossless JPEG (JPEG-LS), JPEG2000, Portable Network Graphics (PNG), Portable Anymap (PNM), Uncompressed raw image data (Raw), Tagged Image File Format (TIFF) and Wireless BMP (WBMP) image formats.
This browser also employs in-line graphics, via URLs, to provide accurate updates; provides Level of Detail (LOD) control for efficient navigation; and supports all major Internet texture standards, including Graphic Interchange Fomart (GIF) and Joint Photographic Experts Group (JPEG).
New releases of Compact Media Extension (CMX(TM)) software that will support up to 48 polyphonic voices at close to audio CD sampling rates, customized consumer authoring tool based on vector graphics technology, and performance enhancements and hardware cost savings delivered via software -- Fast Joint Photographic Experts Group (JPEG) graphics encoder and decoder for display of graphic and still-video images -- QCT's Qtv(TM) Moving Pictures Experts Group (MPEG-4) streaming video decoder for viewing full motion video as well as MPEG-4 encoder for camcorder-phone applications -- 2D sprite and 3D graphics acceleration engine for enhanced wireless gaming
Created by the Joint Photographic Experts Group (JPEG), JPEG2000 was adopted as an international standard by the ISO (International Organization for Standardization) and ITU (International Telecommunications Union) in January 2001.

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