In computer science, iterative compression is an algorithmic technique for the design of fixed-parameter tractable algorithms, in which one element (such...
9 KB (1,147 words) - 19:56, 12 October 2024
programming Greedy algorithm Recursion Prune and search Kernelization Iterative compression Sweep line algorithms Rotating calipers Randomized incremental construction...
1 KB (80 words) - 08:18, 27 February 2024
Fractal compression is a lossy compression method for digital images, based on fractals. The method is best suited for textures and natural images, relying...
24 KB (2,701 words) - 22:28, 24 March 2025
Brotli (redirect from Brotli Compression)
compression (content-encoding type "br"). This generalized iteration also improved the compression ratio by using a predefined dictionary of frequently used...
17 KB (1,637 words) - 06:17, 24 April 2025
Iterative reconstruction refers to iterative algorithms used to reconstruct 2D and 3D images in certain imaging techniques. For example, in computed tomography...
16 KB (1,784 words) - 15:01, 9 October 2024
PIFS (partitioned iterated function systems), also called local iterated function systems, give surprisingly good image compression, even for photographs...
12 KB (1,461 words) - 08:40, 22 May 2024
Run-length encoding (redirect from RLE Compression)
Run-length encoding (RLE) is a form of lossless data compression in which runs of data (consecutive occurrences of the same data value) are stored as...
11 KB (1,340 words) - 17:35, 31 January 2025
A compression artifact (or artefact) is a noticeable distortion of media (including images, audio, and video) caused by the application of lossy compression...
22 KB (2,354 words) - 16:13, 5 January 2025
List of algorithms (redirect from List of lossless compression algorithms)
data compression well suited for image compression (sometimes also video compression and audio compression) Transform coding: type of data compression for...
72 KB (7,945 words) - 09:48, 26 April 2025
{\displaystyle k} . The development of these algorithms led to the method of iterative compression, a more general tool for many other parameterized algorithms. The...
6 KB (663 words) - 17:39, 26 March 2025
Wavelet transform (redirect from Wavelet compression)
Wavelet compression is a form of data compression well suited for image compression (sometimes also video compression and audio compression). Notable...
27 KB (3,836 words) - 21:35, 6 February 2025
Byte pair encoding (redirect from Byte pair compression)
language model tokenizers. The original version of the algorithm focused on compression. It replaces the highest-frequency pair of bytes with a new byte that...
9 KB (1,213 words) - 03:07, 14 April 2025
List of codecs (redirect from List of audio compression formats)
The following is a list of compression formats and related codecs. Linear pulse-code modulation (LPCM, generally only described as PCM) is the format...
50 KB (5,309 words) - 05:22, 2 May 2025
Lempel–Ziv–Welch (redirect from LZW compression algorithm)
Lempel–Ziv–Welch (LZW) is a universal lossless data compression algorithm created by Abraham Lempel, Jacob Ziv, and Terry Welch. It was published by Welch...
30 KB (3,424 words) - 17:16, 20 February 2025
Burrows–Wheeler transform (redirect from Block-sorting compression)
called block-sorting compression) rearranges a character string into runs of similar characters. This is useful for compression, since it tends to be...
39 KB (3,555 words) - 15:42, 30 April 2025
vertex number k {\displaystyle k} are reduced to small instances. Iterative compression, a different design technique for fixed-parameter tractable algorithms...
20 KB (2,852 words) - 09:44, 2 June 2024
Vector quantization (category Lossy compression algorithms)
in the early 1980s by Robert M. Gray, it was originally used for data compression. It works by dividing a large set of points (vectors) into groups having...
13 KB (1,649 words) - 10:50, 3 February 2024
method, and Jacobi iteration. In computational matrix algebra, iterative methods are generally needed for large problems. Iterative methods are more common...
39 KB (3,919 words) - 15:17, 22 April 2025
Arithmetic coding (redirect from Data compression/Arithmetic coding)
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) - 04:35, 11 January 2025
filter RAW compression (as used with the Silicon Imaging SI-2K camera.) All compression is based on an integer reversible wavelet compression kernel, with...
6 KB (656 words) - 19:34, 15 March 2025
In cryptography, a one-way compression function is a function that transforms two fixed-length inputs into a fixed-length output. The transformation is...
24 KB (3,977 words) - 11:37, 24 March 2025
Compressed sensing (section Iterative model using a directional orientation field and directional total variation)
iterative scheme. This method, though fast, subsequently leads to over-smoothing of edges resulting in blurred image edges. TV methods with iterative...
46 KB (5,874 words) - 16:00, 4 May 2025
Point cloud (section MPEG Point Cloud Compression)
with other point clouds, a process termed point set registration. The Iterative closest point (ICP) algorithm can be used to align two point clouds that...
12 KB (1,283 words) - 12:32, 19 December 2024
The top beams in a truss are called top chords and are typically in compression, and the bottom beams are called bottom chords, and are typically in...
31 KB (3,570 words) - 15:38, 29 March 2025
Re-Pair (category Compression algorithms)
Re-Pair (short for recursive pairing) is a grammar-based compression algorithm that, given an input text, builds a straight-line program, i.e. a context-free...
11 KB (1,230 words) - 00:53, 6 December 2024
collision-resistant cryptographic hash functions from collision-resistant one-way compression functions.: 145 This construction was used in the design of many popular...
15 KB (1,904 words) - 15:25, 10 January 2025
Rate–distortion theory (category Data compression)
information theory which provides the theoretical foundations for lossy data compression; it addresses the problem of determining the minimal number of bits per...
15 KB (2,327 words) - 09:59, 31 March 2025
attacks. An iterative hash function (one that uses the Merkle–Damgård construction) breaks up a message into blocks of a fixed size and iterates over them...
18 KB (2,316 words) - 18:51, 16 April 2025
(2009–2014) The first iteration of 2.0L T-GDI engine was used in the sixth generation Sonata and third generation Optima, compression ratio is 9.5:1 and...
21 KB (2,731 words) - 15:42, 24 April 2025
Move-to-front transform (category Data compression transforms)
of compression. When efficiently implemented, it is fast enough that its benefits usually justify including it as an extra step in data compression algorithm...
13 KB (1,614 words) - 18:18, 17 February 2025