Optical pattern recognition based on color vision models

M. S. Millán, M. Corbalán, J. Romero, M. J. Yzuel

Research output: Contribution to journalArticleResearchpeer-review

28 Citations (Scopus)


A channel transformation based on opponent-color theory of the color vision models is applied to optical pattern recognition so that the conventional red, green, and blue (RGB) channels are transformed into bright–dark, red–green, and yellow–blue (ATD) channels. Matched filtering and correlation are performed over the new components of the target and the scene in the ATD system. The proposed transformation allows us to reduce the number of channels commonly used in color pattern recognition, passing from the three RGB channels to the two red–green and yellow–blue opponent-color channels. © 1995, Optical Society of America.
Original languageEnglish
Pages (from-to)1722-1724
JournalOptics Letters
Publication statusPublished - 15 Aug 1995


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