• Thumbnail for Haar wavelet
    mathematics, the Haar wavelet is a sequence of rescaled "square-shaped" functions which together form a wavelet family or basis. Wavelet analysis is similar...
    27 KB (4,520 words) - 18:50, 29 July 2024
  • Thumbnail for Discrete wavelet transform
    Hungarian mathematician Alfréd Haar. For an input represented by a list of 2 n {\displaystyle 2^{n}} numbers, the Haar wavelet transform may be considered...
    32 KB (4,513 words) - 14:51, 23 July 2024
  • Thumbnail for Wavelet
    biorthogonal wavelets) Daubechies wavelet (2, 4, 6, 8, 10, 12, 14, 16, 18, 20, etc.) Binomial QMF (Also referred to as Daubechies wavelet) Haar wavelet Mathieu...
    53 KB (7,225 words) - 00:58, 15 September 2024
  • Thumbnail for Alfréd Haar
    Göttingen. His doctorate was supervised by David Hilbert. The Haar measure, Haar wavelet, and Haar transform are named in his honor. Between 1912 and 1919 he...
    6 KB (524 words) - 13:11, 6 July 2023
  • Thumbnail for Wavelet transform
    Dual wavelet ECW, a wavelet-based geospatial image format designed for speed and processing efficiency Gabor wavelet Haar wavelet JPEG 2000, a wavelet-based...
    28 KB (3,943 words) - 07:55, 28 June 2024
  • organisational psychology academic De Haar (disambiguation) Haar wavelet, the first wavelet Haar measure, a set-theoretic measure Haar-like feature, a technique in...
    586 bytes (103 words) - 23:33, 29 November 2022
  • precomputed integral image. Its feature descriptor is based on the sum of the Haar wavelet response around the point of interest. These can also be computed with...
    11 KB (1,604 words) - 16:13, 15 May 2023
  • localization. These characteristics are in stark contrast to those of the Haar wavelet. The Haar and sinc systems are Fourier duals of each other. Sinc function...
    6 KB (1,205 words) - 00:12, 24 February 2024
  • Haar-like features are digital image features used in object recognition. They owe their name to their intuitive similarity with Haar wavelets and were...
    7 KB (928 words) - 14:33, 3 November 2023
  • Thumbnail for Daubechies wavelet
    The Daubechies wavelets, based on the work of Ingrid Daubechies, are a family of orthogonal wavelets defining a discrete wavelet transform and characterized...
    23 KB (2,775 words) - 11:01, 8 August 2024
  • Thumbnail for Cohen–Daubechies–Feauveau wavelet
    obtains the orthogonal Haar wavelet. For A = 2 one obtains in this way the LeGall 5/3-wavelet: For A = 4 one obtains the 9/7-CDF-wavelet. One gets Q 4 ( X...
    10 KB (1,535 words) - 16:17, 17 April 2024
  • Thumbnail for Spline wavelet
    mathematical theory of wavelets, a spline wavelet is a wavelet constructed using a spline function. There are different types of spline wavelets. The interpolatory...
    33 KB (7,879 words) - 12:12, 14 August 2023
  • derivative. These new wavelets have just one cycle, so they are termed unicycle wavelets. They can be viewed as a soft variety of Haar wavelets whose shape is...
    12 KB (1,861 words) - 05:51, 4 January 2024
  • worst case behavior for the Haar wavelet packet analysis. In other words, noiselets are totally incompressible by the Haar wavelet packet analysis. Like the...
    8 KB (1,406 words) - 23:31, 14 March 2024
  • wavelet Haar wavelet Morlet wavelet Mexican hat wavelet Complex Mexican hat wavelet Hermitian wavelet Discrete wavelet transform Continuous wavelet Continuous...
    5 KB (475 words) - 23:38, 19 July 2023
  • more aggressively, resulting in shorter programs and fewer bugs. The 1D Haar wavelet transform of an integer-power-of-two-length list of numbers can be implemented...
    9 KB (858 words) - 10:03, 17 May 2024
  • Strömberg wavelet is a certain orthonormal wavelet discovered by Jan-Olov Strömberg and presented in a paper published in 1983. Even though the Haar wavelet was...
    6 KB (889 words) - 15:04, 23 November 2023
  • against generalized Haar wavelets, PCA-SIFT descriptors, and shape context descriptors. Generalized Haar wavelets are oriented Haar wavelets, and were used...
    21 KB (2,886 words) - 12:12, 10 August 2024
  • analysis, compactly supported wavelets derived from Legendre polynomials are termed Legendre wavelets or spherical harmonic wavelets. Legendre functions have...
    9 KB (1,206 words) - 20:03, 31 January 2022
  • Quadrature mirror filter (category Wavelets)
    and low-pass filters is equal to 1. Orthogonal wavelets – the Haar wavelets and related Daubechies wavelets, Coiflets, and some developed by Mallat, are...
    5 KB (900 words) - 18:38, 26 August 2022
  • (SB-TS), also called wavelet packet decomposition (WPD; sometimes known as just wavelet packets or subband tree), is a wavelet transform where the discrete-time...
    11 KB (1,273 words) - 05:20, 31 July 2024
  • Markushevich basis Generalized Fourier series Orthogonal polynomials Haar wavelet Banach space see Schauder (1927). Schauder, Juliusz (1928). "Eine Eigenschaft...
    26 KB (3,590 words) - 10:05, 12 January 2024
  • Thumbnail for Walsh matrix
    (Hadamard matrix). Wikimedia Commons has media related to Walsh matrix. Haar wavelet Quincunx matrix Hadamard transform Code-division multiple access OEIS: A228539...
    6 KB (1,119 words) - 04:10, 30 May 2024
  • Thumbnail for Adam7 algorithm
    is a multiscale model of the data, similar to a discrete wavelet transform with Haar wavelets, though it starts from an 8×8 block, and downsamples the...
    5 KB (588 words) - 07:09, 18 February 2024
  • and commonly used image transforms (e.g., the Fourier, Hadamard, and Haar wavelet transforms) can be expressed in the form G = P F Q {\displaystyle G=PFQ}...
    20 KB (2,151 words) - 16:24, 24 July 2024
  • orthogonality of both radial and angular parts. Walsh functions and Haar wavelets are examples of orthogonal functions with discrete ranges. Legendre...
    6 KB (771 words) - 22:44, 1 January 2024
  • and a distribution-based descriptor). It describes a distribution of Haar wavelet responses within the interest point neighborhood. Integral images are...
    69 KB (9,201 words) - 22:28, 21 September 2024
  • Thumbnail for PNG
    JPEG, and to the discrete wavelet transform using 1 × 2, 2 × 1, or (for the Paeth predictor) 2 × 2 windows and Haar wavelets. Compression is further improved...
    77 KB (8,462 words) - 08:36, 1 October 2024
  • "Determination of the boundary layer top from lidar backscatter profiles using a Haar wavelet method over Wuhan, China". Optics and Laser Technology. 49: 343–349....
    44 KB (5,771 words) - 14:21, 25 August 2024
  • Early work in time–frequency analysis can be seen in the Haar wavelets (1909) of Alfréd Haar, though these were not significantly applied to signal processing...
    21 KB (3,667 words) - 04:01, 17 July 2024