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  • imaging science, difference of Gaussians (DoG) is a feature enhancement algorithm that involves the subtraction of one Gaussian blurred version of an original...
    9 KB (1,312 words) - 16:35, 16 June 2025
  • convolving the image with the Laplacian of the Gaussian function, or, as a fast approximation by difference of Gaussians. Then, zero crossings are detected in...
    2 KB (278 words) - 12:03, 1 March 2023
  • Thumbnail for Euclidean algorithm
    Gaussian integers and polynomials of one variable. This led to modern abstract algebraic notions such as Euclidean domains. The Euclidean algorithm calculates...
    126 KB (15,349 words) - 16:35, 30 April 2025
  • fairly accurate approximations of π for practical computations. Around 250 BC, the Greek mathematician Archimedes created an algorithm to approximate π...
    147 KB (17,245 words) - 19:46, 8 June 2025
  • Thumbnail for Normal distribution
    In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued...
    151 KB (22,720 words) - 14:33, 14 June 2025
  • machine learning, Gaussian process approximation is a computational method that accelerates inference tasks in the context of a Gaussian process model, most...
    12 KB (2,033 words) - 15:51, 26 November 2024
  • Thumbnail for Gaussian quadrature
    {\displaystyle n} point Gaussian quadrature ( ξ , w ) {\displaystyle (\xi ,w)} rule then results in the following approximation: ∫ a b f ( x ) d x ≈ b...
    42 KB (6,854 words) - 04:08, 15 June 2025
  • Thumbnail for Expectation–maximization algorithm
    example, to estimate a mixture of gaussians, or to solve the multiple linear regression problem. The EM algorithm was explained and given its name in...
    50 KB (7,512 words) - 10:00, 10 April 2025
  • In probability theory and statistics, a Gaussian process is a stochastic process (a collection of random variables indexed by time or space), such that...
    44 KB (5,929 words) - 11:10, 3 April 2025
  • Thumbnail for Gaussian filter
    processing, a Gaussian filter is a filter whose impulse response is a Gaussian function (or an approximation to it, since a true Gaussian response would...
    19 KB (2,889 words) - 04:13, 7 April 2025
  • Thumbnail for Belief propagation
    energy approximation, and satisfiability. The algorithm was first proposed by Judea Pearl in 1982, who formulated it as an exact inference algorithm on trees...
    29 KB (4,323 words) - 16:52, 13 April 2025
  • Thumbnail for Multivariate normal distribution
    theory and statistics, the multivariate normal distribution, multivariate Gaussian distribution, or joint normal distribution is a generalization of the one-dimensional...
    65 KB (9,594 words) - 15:19, 3 May 2025
  • heuristic algorithms converge quickly to a local optimum. These are usually similar to the expectation–maximization algorithm for mixtures of Gaussian distributions...
    62 KB (7,754 words) - 11:44, 13 March 2025
  • Spigot algorithmalgorithms that can compute individual digits of a real number Approximations of π: Liu Hui's π algorithm — first algorithm that can...
    70 KB (8,327 words) - 09:12, 7 June 2025
  • Thumbnail for Error function
    Karagiannidis, G. K.; Lioumpas, A. S. (2007). "An improved approximation for the Gaussian Q-function" (PDF). IEEE Communications Letters. 11 (8): 644–646...
    47 KB (7,328 words) - 08:39, 27 April 2025
  • In mathematics, low-rank approximation refers to the process of approximating a given matrix by a matrix of lower rank. More precisely, it is a minimization...
    22 KB (3,884 words) - 11:38, 8 April 2025
  • Laplace's approximation provides an analytical expression for a posterior probability distribution by fitting a Gaussian distribution with a mean equal...
    7 KB (999 words) - 18:54, 29 October 2024
  • Thumbnail for Gaussian blur
    object under usual illumination. Gaussian smoothing is also used as a pre-processing stage in computer vision algorithms in order to enhance image structures...
    17 KB (2,373 words) - 15:07, 19 November 2024
  • applying the Gaussian copula to credit derivatives to be one of the causes of the 2008 financial crisis; see David X. Li § CDOs and Gaussian copula. Despite...
    75 KB (9,347 words) - 09:59, 15 June 2025
  • quasi-Newton methods like BFGS, is an algorithm of an iterative method or a method of successive approximation. An iterative method is called convergent...
    11 KB (1,546 words) - 15:43, 10 January 2025
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