Phasogram: image representation by localized phase

Y. Y. Zeevi; M. Porat

doi:10.1364/OAM.1986.FQ4

Annual Meeting Optical Society of America
Technical Digest Series (Optica Publishing Group, 1986),
paper FQ4
•https://doi.org/10.1364/OAM.1986.FQ4

Phasogram: image representation by localized phase

Y. Y. Zeevi and M. Porat

OSA Annual Meeting 1986

Seattle, Washington United States
19–25 October 1986
ISBN:

From the session
Image Understanding: 3 (FQ)

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Y. Y. Zeevi and M. Porat, "Phasogram: image representation by localized phase," in Annual Meeting Optical Society of America, Technical Digest Series (Optica Publishing Group, 1986), paper FQ4.

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Abstract

The importance of phase in image representation was previously demonstrated in the context of a global (Fourier) transformation. In vision where processing is accomplished by signal decomposition into localized elementary functions in the combined frequency-position space, mechanisms exist (cortical cells) which exhibit sensitivity to localized phase relationship.

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