- optimal quantization
- оптимальное квантование
English-Russian dictionary of telecommunications. 2015.
optimal quantization
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Quantization (sound processing) — In signal processing, quantization is the process of approximating a continuous range of values (or a very large set of possible discrete values) by a relatively small set of discrete symbols or integer values. This article describes aspects of… … Wikipedia
Trellis quantization — is an algorithm that can improve data compression in DCT based encoding methods. It is used to optimize residual DCT coefficients after motion estimation in lossy video compression encoders such as Xvid and x264. Trellis quantization reduces the… … Wikipedia
Color quantization — An example image in 24 bit RGB color The same image reduced to a palette of 16 colors specifically chosen to best represent the image; the selected palette is shown by the squares above In … Wikipedia
Viterbi decoder — A Viterbi decoder uses the Viterbi algorithm for decoding a bitstream that has been encoded using forward error correction based on a convolutional code. There are other algorithms for decoding a convolutionally encoded stream (for example, the… … Wikipedia
Centroidal Voronoi tessellation — In geometry, a centroidal Voronoi tessellation (CVT) is a special type of Voronoi tessellation or Voronoi diagrams. A Voronoi tessellation is called centroidal when the generating point of each Voronoi cell is also its mean (center of mass). It… … Wikipedia
Huffman coding — Huffman tree generated from the exact frequencies of the text this is an example of a huffman tree . The frequencies and codes of each character are below. Encoding the sentence with this code requires 135 bits, as opposed of 288 bits if 36… … Wikipedia
JPEG 2000 — Infobox file format name = JPEG 2000 caption = Comparison of JPEG 2000 with the original JPEG format. extension = .jp2, .j2k mime = image/jp2 owner = Joint Photographic Experts Group creatorcode = jp2 genre = graphics file format containerfor =… … Wikipedia
telecommunication — [tel΄ə kə myo͞o΄ni kā′shən] n. [also pl., with sing. or pl. v.] communication by electronic or electric means, as through radio, telephone, telegraph, television, or computers * * * tel·e·com·mu·ni·ca·tion (tĕlʹĭ kə myo͞o nĭ kāʹshən) n. 1. The… … Universalium
MPEG-1 — Moving Picture Experts Group Phase 1 (MPEG 1) Filename extension .mpg, .mpeg, .mp1, .mp2, .mp3, .m1v, .m1a, .m2a, .mpa, .mpv Internet media type audio/mpeg, video/mpeg Developed by ISO, IEC Type of format audio, vid … Wikipedia
Dither — For other uses, see Dither (disambiguation). Provincial definition of to dither from The Rural Economy of Yorkshire: Comprizing the Management of Landed Estates, and the Present Practice of Husbandry in the Agricultural Districts of that County,… … Wikipedia
Comparison of analog and digital recording — This article compares the two ways in which sound is recorded and stored. Actual sound waves consist of continuous variations in air pressure. Representations of these signals can be recorded using either digital or analog techniques. An analog… … Wikipedia
