Line integral convolution

Visualisation d'un champ de vecteurs par line integral convolution.

En visualisation scientifique, la line integral convolution (souvent abrégée LIC, litt. « convolution intégrale de ligne ») est une méthode permettant de visualiser un champ de vecteurs, par exemple un fluide en mouvement. Elle est proposée en 1993 par Brian Cabral and Leith Casey Leedom[1],[2].

Elle produit, à partir de bruit, une image dont les valeurs des pixels sont fortement corrélées le long des lignes de niveau, mais peu corrélées orthogonalement à ces dernières.

Notes et références

  1. ↑ (en) Brian Cabral et Leith Casey Leedom, « Imaging vector fields using line integral convolution », Proceedings of the 20th annual conference on Computer graphics and interactive techniques - SIGGRAPH '93, ACM Press,‎ , p. 263–270 (ISBN 978-0-89791-601-1, DOI 10.1145/166117.166151, lire en ligne [PDF], consulté le )
  2. ↑ (en) Detlev Stalling et Hans-Christian Hege, « Fast and resolution independent line integral convolution », Proceedings of the 22nd annual conference on Computer graphics and interactive techniques - SIGGRAPH '95, ACM Press,‎ , p. 249–256 (ISBN 978-0-89791-701-8, DOI 10.1145/218380.218448, lire en ligne, consulté le )

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