G - Physics – 03 – H
Patent
G - Physics
03
H
G03H 1/08 (2006.01) G03H 1/12 (2006.01) G03H 1/16 (2006.01) G03H 1/22 (2006.01) G06E 3/00 (2006.01) G06K 9/58 (2006.01)
Patent
CA 2050242
A vision recognition method achieves improved accuracy by employing a logarithmic polar coordinate transforming method including the steps of storing information (f) of an input image, generating complex amplitude information (f * A * T) based on the information (f) of the input image, phase information (A), and amplitude information (T), an amplitude of which changes according to the distance between each point composing the amplitude information (T) and the origin of logarithmic polar coordinates, and Fourier-transforming the complex amplitude information (f * A * T).
L'invention est une méthode de reconnaissance visuelle dans laquelle la précision est améliorée par l'utilisation d'une transformation en coordonnées polaires logarithmiques. La méthode de l'invention comprend les opérations suivantes : stockage d'une information (f) sur une image d'entrée; production d'une information d'amplitude complexe (f* A * T) basée sur l'information (f) sur l'image d'entrée, d'une information de phase (A) et d'une information d'amplitude (T), cette amplitude variant selon la distance entre chaque point correspondant à l'information d'amplitude (T) et l'origine du système de coordonnées polaires logarithmiques; et transformation de Fourier de l'information d'amplitude complexe (f* A * T).
Fukui Atsushi
Itoh Masami
Kawamura Hiroyuki
Nishii Kanji
Kirby Eades Gale Baker
Matsushita Electric Industrial Co. Ltd.
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