• Vector quantization (VQ) is a classical quantization technique from signal processing that allows the modeling of probability density functions by the...
    13 KB (1,649 words) - 10:50, 3 February 2024
  • Thumbnail for Pyramid vector quantization
    Pyramid vector quantization (PVQ) is a method used in audio and video codecs to quantize and transmit unit vectors, i.e. vectors whose magnitudes are known...
    9 KB (1,137 words) - 04:36, 15 August 2023
  • Thumbnail for Cuboctahedron
    ; Krichever, I.; Ogievetsky, O.; Shlosman, S. (eds.). Integrability, Quantization, and Geometry: II. Quantum Theories and Algebraic Geometry. American...
    19 KB (1,938 words) - 01:53, 9 October 2024
  • Society, retrieved 2011-02-16 Fischer, Thomas R. (July 1986), "A pyramid vector quantizer", IEEE Transactions on Information Theory, vol. 32, no. 4, pp. 568–583...
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  • practice of data compression, including trellis coded quantization and pyramid vector quantization 1996 Peter Grant For contributions to surface acoustic...
    82 KB (86 words) - 09:18, 13 September 2024
  • methods, using Markov fields, non-parametric sampling, tree-structured vector quantization and image analogies are some of the simplest and most successful...
    13 KB (1,535 words) - 11:20, 15 February 2023
  • Thumbnail for Vision transformer
    of vectors, one for each patch. The vectors can only come from a discrete set of "codebook", as in vector quantization. Another encodes the quantized vectors...
    36 KB (4,065 words) - 04:55, 1 November 2024
  • candidate matching features based on Euclidean distance of their feature vectors. From the full set of matches, subsets of keypoints that agree on the object...
    69 KB (9,201 words) - 22:28, 21 September 2024
  • decoding Neural oscillation Receptive field Sparse distributed memory Vector quantization Brown EN, Kass RE, Mitra PP (May 2004). "Multiple neural spike train...
    62 KB (8,124 words) - 09:38, 3 October 2024
  • preserving spread Mean reciprocal rank Mean signed difference Mean square quantization error Mean square weighted deviation Mean squared error Mean squared...
    87 KB (8,285 words) - 04:29, 7 October 2024
  • point P {\displaystyle P} on the line, the vector P − P 0 {\displaystyle P-P_{0}} must be orthogonal to the vector P 0 − 0 = P 0 {\displaystyle P_{0}-0=P_{0}}...
    33 KB (4,833 words) - 11:28, 29 October 2024
  • coding, lossy compression, lossless compression Encoding operations — quantization, perceptual weighting, entropy encoding, variable bitrate encoding Digital...
    101 KB (11,989 words) - 07:39, 17 October 2024
  • Thumbnail for Anastasios Venetsanopoulos
    lossy, still image transmission. He contributed to the study of vector quantization for lossy image compression and developed a number of hierarchical...
    27 KB (3,138 words) - 03:05, 31 July 2024
  • Thumbnail for Topological insulator
    by assigning a matrix to each wave vector in the Brillouin zone. Mathematically, this assignment creates a vector bundle. Different materials will have...
    63 KB (6,985 words) - 06:27, 20 August 2024
  • (\cdot )^{\text{T}}} denotes transpose operation, turning a row vector to a column vector, the matrix S 0 {\displaystyle S_{0}} can be written as the matrix...
    34 KB (5,501 words) - 14:08, 15 March 2024
  • PMID 20634557. S2CID 3198903. Gong, Yunchao, and Svetlana Lazebnik. "Iterative quantization: A procrustean approach to learning binary codes." Computer Vision and...
    105 KB (6,552 words) - 17:19, 18 October 2024
  • corner-sharing tetrahedral lattice with spins fixed along the local quantization axis, the <111> cubic axes, which coincide with the lines connecting...
    30 KB (3,851 words) - 06:32, 26 June 2023
  • Thumbnail for 120-cell
    4-coordinate point (w,x,y,z) is a vector in 4D space from (0,0,0,0). Four-dimensional real space is a vector space: any two vectors can be added or multiplied...
    129 KB (14,415 words) - 16:24, 2 October 2024
  • orientations with respect to the molecular rotational angular momentum vector, N, so that each rotational level is split into three states with total...
    49 KB (6,786 words) - 17:46, 28 June 2024
  • triangles and side-ratios are studied in Egypt for the construction of pyramids, paving the way for the field of trigonometry. Early 2nd millennium BC:...
    91 KB (10,369 words) - 15:49, 2 November 2024