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...
2 KB (296 words) - 00:50, 17 January 2021
In information theory, data compression, source coding, or bit-rate reduction is the process of encoding information using fewer bits than the original...
68 KB (7,556 words) - 22:09, 19 May 2025
JBIG (category Lossless compression algorithms)
JBIG is an early lossless image compression standard from the Joint Bi-level Image Experts Group, standardized as ISO/IEC standard 11544 and as ITU-T recommendation...
4 KB (371 words) - 00:16, 17 February 2024
(bit-mapped) image data, either uncompressed or compressed using CCITT Group 4 compression. MIL-R-28002 Requirement for Raster Graphics Representation in Binary...
753 bytes (75 words) - 18:10, 2 August 2024
S3 Texture Compression (S3TC) (sometimes also called DXTn, DXTC, or BCn) is a group of related lossy texture compression algorithms originally developed...
16 KB (2,003 words) - 08:22, 4 June 2025
Image compression is a type of data compression applied to digital images, to reduce their cost for storage or transmission. Algorithms may take advantage...
19 KB (2,109 words) - 04:21, 30 May 2025
JBIG2 (category Lossless compression algorithms)
compression standard for bi-level images, developed by the Joint Bi-level Image Experts Group. It is suitable for both lossless and lossy compression...
17 KB (1,826 words) - 16:30, 16 June 2025
where telecoms companies can communicate Modified Modified READ, Group 4 compression Matchmaking rating, in video games Myanmar (ISO 3166-1 alpha-3 country...
856 bytes (124 words) - 09:34, 9 January 2025
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...
34 KB (4,155 words) - 04:20, 2 March 2025
MPEG-4 is a group of international standards for the compression of digital audio and visual data, multimedia systems, and file storage formats. It was...
46 KB (3,044 words) - 13:37, 8 May 2025
compression on certain images. DSC compression works on a horizontal line of pixels encoded using groups of three consecutive pixels for native 4:4:4...
11 KB (1,223 words) - 19:04, 20 May 2025
Adaptive scalable texture compression (ASTC) is a lossy block-based texture compression algorithm developed by Jørn Nystad et al. of ARM Ltd. and AMD...
13 KB (1,001 words) - 12:13, 15 April 2025
audio coding (AAC, TwinVQ, BSAC), lossless audio compression (MPEG-4 SLS, Audio Lossless Coding, MPEG-4 DST), a Text-To-Speech Interface (TTSI), Structured...
38 KB (2,983 words) - 11:01, 27 May 2025
Binary image Image segmentation § Compression-based methods Joint Photographic Experts Group (JPEG) Group 4 compression (MMR; T.6) JPEG 2000 Compound image...
4 KB (443 words) - 19:16, 23 November 2023
LZMA (category Lossless compression algorithms)
1977 and features a high compression ratio (generally higher than bzip2) and a variable compression-dictionary size (up to 4 GB), while still maintaining...
31 KB (3,534 words) - 21:42, 4 May 2025
Dynamic range compression (DRC) or simply compression is an audio signal processing operation that reduces the volume of loud sounds or amplifies quiet...
39 KB (4,695 words) - 10:08, 19 January 2025
LZ77 and LZ78 (redirect from Data compression/LZ77 78)
LZ77 and LZ78 are the two lossless data compression algorithms published in papers by Abraham Lempel and Jacob Ziv in 1977 and 1978. They are also known...
18 KB (2,566 words) - 09:26, 9 January 2025
Telecommunication Standardization Sector (ITU-T) concerned with standards for compression coding of video, images, audio signals, biomedical waveforms, and other...
17 KB (2,109 words) - 10:28, 27 December 2024
JPEG 2000 (category Image compression)
(JP2) is an image compression standard and coding system. It was developed from 1997 to 2000 by a Joint Photographic Experts Group committee chaired by...
63 KB (5,714 words) - 12:43, 25 May 2025
performance over slow serial links. Van Jacobson compression reduces the normal 40 byte TCP/IP packet headers down to 3–4 bytes for the average case; it does this...
1 KB (170 words) - 16:45, 6 October 2024
Experts Group (MPEG) is an alliance of working groups established jointly by ISO and IEC that sets standards for media coding, including compression coding...
35 KB (3,630 words) - 14:36, 25 January 2025
In the field of video compression, a video frame is compressed using different algorithms with different advantages and disadvantages, centered mainly...
9 KB (1,280 words) - 17:07, 27 January 2025
In data compression and psychoacoustics, transparency is the result of lossy data compression accurate enough that the compressed result is perceptually...
7 KB (816 words) - 14:12, 1 June 2024
JPEG (redirect from Data compression/JPEG)
Joint Photographic Experts Group and sometimes retroactively referred to as JPEG 1) is a commonly used method of lossy compression for digital images, particularly...
109 KB (13,569 words) - 02:41, 14 June 2025
Sun Direct (category Sun Group)
MPEG-4 digital compression, transmitting HD Channels and SD Channels on MEASAT-3 at 91.5°E. Sun Direct is a joint venture between the Astro Group of Malaysia...
8 KB (677 words) - 05:09, 31 May 2025
7-Zip (category Free data compression software)
developers are not permitted to use the code to reverse-engineer the RAR compression algorithm. Since version 21.01 alpha, Linux support has been added to...
24 KB (2,367 words) - 19:00, 17 April 2025
Support. Retrieved November 4, 2022. "Reference Raster Image Processor (RIP)". Microsoft Learn. January 9, 2007. Retrieved November 4, 2022. "HD Photo". Windows...
39 KB (2,575 words) - 20:49, 9 June 2025
JPEG XR (category Lossy compression algorithms)
JPEG XR (JPEG extended range) is an image compression standard for continuous tone photographic images, based on the HD Photo (formerly Windows Media...
37 KB (3,759 words) - 01:50, 21 April 2025
Brotli (redirect from Brotli Compression)
data compression algorithm developed by Jyrki Alakuijala and Zoltán Szabadka. It uses a combination of the general-purpose LZ77 lossless compression algorithm...
17 KB (1,637 words) - 06:17, 24 April 2025