An entropy coding attempts to approach this lower bound. Two of the most common entropy coding techniques are Huffman coding and arithmetic coding. If...
4 KB (475 words) - 20:00, 15 November 2023
Arithmetic coding (AC) is a form of entropy encoding used in lossless data compression. Normally, a string of characters is represented using a fixed number...
41 KB (5,380 words) - 03:08, 31 July 2024
noisy channels in his noisy-channel coding theorem. Entropy in information theory is directly analogous to the entropy in statistical thermodynamics. The...
70 KB (10,021 words) - 04:30, 5 November 2024
In information theory, Shannon's source coding theorem (or noiseless coding theorem) establishes the statistical limits to possible data compression for...
12 KB (1,881 words) - 09:30, 2 May 2024
62 and 2.28. Kaur, Sandeep; Singh, Sukhjeet (May 2016). "Entropy Coding and Different Coding Techniques" (PDF). Journal of Network Communications and...
19 KB (2,761 words) - 17:22, 25 May 2024
entropy coding, specifically counting (runs) of repeated symbols, which are then encoded. For the simple case of Bernoulli processes, Golomb coding is...
35 KB (4,514 words) - 00:17, 6 November 2024
this set of codes in an adaptive coding scheme; "Rice coding" can refer either to that adaptive scheme or to using that subset of Golomb codes. Whereas a...
18 KB (2,607 words) - 11:13, 9 October 2024
Kraft–McMillan theorem establishes that any directly decodable coding scheme for coding a message to identify one value x i {\displaystyle x_{i}} out of...
19 KB (3,249 words) - 17:51, 14 November 2024
Range coding (or range encoding) is an entropy coding method defined by G. Nigel N. Martin in a 1979 paper, which effectively rediscovered the FIFO arithmetic...
14 KB (2,039 words) - 05:34, 22 September 2024
Thomas, Wiegand. "Reduced-Complexity Entropy Coding of Transform Coefficient Levels Using Truncated Golomb-Rice Codes in Video Compression" (PDF). Gary Sullivan;...
154 KB (16,550 words) - 16:22, 20 November 2024
Asymmetric numeral systems (redirect from Finite State Entropy)
for Huffman coding, Picture Coding Symposium, 2015. J. Duda, Asymmetric numeral systems: entropy coding combining speed of Huffman coding with compression...
29 KB (3,719 words) - 18:58, 24 September 2024
Zigzag code, nor the JPEG Zig-zag entropy coding). Elias gamma (γ) coding Elias omega (ω) coding Golomb-Rice code Elias, Peter (March 1975). "Universal...
8 KB (712 words) - 11:14, 13 January 2024
JPEG (redirect from Minimum Coded Unit)
Kimura, Shigenori Kino, Fumitaka Ono, and Masayuki Yoshida – Coding apparatus and coding method The JPEG specification also cites three other patents...
106 KB (13,325 words) - 07:42, 22 November 2024
capacity, error exponents, and relative entropy. Important sub-fields of information theory include source coding, algorithmic complexity theory, algorithmic...
61 KB (7,728 words) - 20:23, 11 November 2024
Video Coding (AVC), also referred to as H.264 or MPEG-4 Part 10, is a video compression standard based on block-oriented, motion-compensated coding. It...
89 KB (9,778 words) - 10:10, 17 October 2024
Unary coding, or the unary numeral system and also sometimes called thermometer code, is an entropy encoding that represents a natural number, n, with...
10 KB (989 words) - 07:46, 6 November 2024
variable-length coding strategies are Huffman coding, Lempel–Ziv coding, arithmetic coding, and context-adaptive variable-length coding. The extension of a code is...
9 KB (1,234 words) - 18:35, 22 April 2024
MPEG-1 (section Entropy coding)
difference coding using a discrete cosine transform (DCT) of size 8×8, scalar quantization, and variable-length codes (like Huffman codes) for entropy coding. H...
90 KB (10,881 words) - 23:14, 26 August 2024
Context-adaptive variable-length coding (CAVLC) is a form of entropy coding used in H.264/MPEG-4 AVC video encoding. It is an inherently lossless compression...
5 KB (432 words) - 15:56, 17 November 2024
There are four types of coding: Data compression (or source coding) Error control (or channel coding) Cryptographic coding Line coding Data compression attempts...
27 KB (3,740 words) - 13:44, 15 November 2024
} code or Elias gamma code is a universal code encoding positive integers developed by Peter Elias.: 197, 199 It is used most commonly when coding integers...
6 KB (563 words) - 14:08, 27 March 2024
Entropy is a scientific concept that is most commonly associated with a state of disorder, randomness, or uncertainty. The term and the concept are used...
108 KB (13,950 words) - 15:01, 25 November 2024
subordinate pass are usually random enough that entropy coding provides no further coding gain. The coding performance of EZW has since been exceeded by...
12 KB (1,780 words) - 03:43, 21 November 2023
to as "coding" Coding (therapy), alternative therapeutic methods used to treat addictions in the post-Soviet countries Queer coding Code Entropy encoding...
1 KB (163 words) - 20:57, 14 November 2024
Context-adaptive binary arithmetic coding (CABAC) is a form of entropy encoding used in the H.264/MPEG-4 AVC and High Efficiency Video Coding (HEVC) standards. It is...
13 KB (1,634 words) - 15:32, 17 November 2024
JBIG2 (section Entropy coding)
generic regions may all use arithmetic coding or huffman coding. JBIG2 specifically uses the MQ coder, the same entropy encoder employed by JPEG 2000. Patents...
17 KB (1,793 words) - 01:53, 2 April 2024
Elias ω coding or Elias omega coding is a universal code encoding the positive integers developed by Peter Elias. Like Elias gamma coding and Elias delta...
9 KB (1,222 words) - 03:32, 31 July 2024
Quantization (signal processing) (section Neglecting the entropy constraint: Lloyd–Max quantization)
the entropy coding design problem to be separated from the design of the quantizer itself. Modern entropy coding techniques such as arithmetic coding can...
42 KB (6,357 words) - 18:59, 9 November 2024
Image compression (section Huffman Coding)
Predictive coding – used in DPCM Entropy encoding – the two most common entropy encoding techniques are arithmetic coding and Huffman coding Adaptive dictionary...
18 KB (2,016 words) - 13:31, 10 September 2024
and information theory, Tunstall coding is a form of entropy coding used for lossless data compression. Tunstall coding was the subject of Brian Parker...
7 KB (982 words) - 09:25, 3 April 2024