corrélation d'images

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• Corrélation d'images — La corrélation d images numériques (Digital Image correlation ou DIC en anglais) est une méthode optique 2D ou 3D qui permet de mesurer les déplacements entre deux images. Elle est de plus en plus employée en sciences des matériaux pour… …   Wikipédia en Français

• Corrélation (statistiques) — Pour les articles homonymes, voir Corrélation. En probabilités et en statistique, étudier la corrélation entre deux ou plusieurs variables aléatoires ou statistiques numériques, c’est étudier l’intensité de la liaison qui peut exister entre ces… …   Wikipédia en Français

• Correlation (disambiguation) — Correlation is a measure of relationship between two mathematical variables or measured data values, which includes the Pearson correlation coefficient as a special case. Correlation may also refer to: Electronic correlation, a description of the …   Wikipedia

• Digital image correlation — and Tracking (DIC/DDIT) is an optical method that employs tracking image registration techniques for accurate 2D and 3D measurements of changes in images. This is often used to measure deformation (engineering), displacement, and strain, but it… …   Wikipedia

• Phase correlation — In image processing, phase correlation is a fast frequency domain approach to estimate the relative translative movement between two images. Method Given two input images g a and g b:Apply a window function (e.g., a Hamming window) on both images …   Wikipedia

• Cross-correlation — In signal processing, cross correlation is a measure of similarity of two waveforms as a function of a time lag applied to one of them. This is also known as a sliding dot product or sliding inner product. It is commonly used for searching a long …   Wikipedia

• Fluorescence correlation spectroscopy — (FCS) is a common technique used by physicists, chemists, and biologists to experimentally characterize the dynamics of fluorescent species (e.g. single fluorescent dye molecules in nanostructured materials, autofluorescent proteins in living… …   Wikipedia

• Triple correlation — The triple correlation of an ordinary function on the real line is the integral of theproduct of that function with two independently shifted copies of itself: int { infty}^{infty} f^{*}(x) f(x+s 1) f(x+s 2) dxThe Fourier transform of triple… …   Wikipedia

• Orion Correlation Theory — Representation of the central tenet of the Orion Correlation Theory the outline of the Giza pyramids superimposed over a photograph of the stars in Orion s Belt. The validity of this match has been called into question by Hancock s critics, as… …   Wikipedia

• Recalage d'images — En traitement d image, le recalage est une technique qui consiste en la mise en correspondance d images, ceci afin de pouvoir comparer ou combiner leurs informations respectives. Cette mise en correspondance se fait par la recherche d une… …   Wikipédia en Français

• Photogrammetrie — Photogrammétrie La photogrammétrie est une technique qui consiste à effectuer des mesures dans une scène, en utilisant la parallaxe obtenue entre des images acquises selon des points de vue différents. Recopiant la vision stéréoscopique humaine,… …   Wikipédia en Français