Optical Pseudo-Color Processing For Moved Objects

Oichi Atoda

doi:10.1117/12.957661

27 July 1979 Optical Pseudo-Color Processing For Moved Objects

Oichi Atoda

Proceedings Volume 0189, 13th Intl Congress on High Speed Photography and Photonics; (1979) https://doi.org/10.1117/12.957661
Event: 13th International Congress on High Speed Photography and Photonics, 1978, Tokyo, Japan

Abstract

A method of optical pseudo-color representation is introduced for distinguishing height distribution of a solid object, flow velocity distribution of fluid and so on. First, a photograph is taken in a proper way so that each part of it posesses a bandpass spatial power spectrum whose center frequency represents height or flow velocity at the corresponding part of the object. Then the "frequency-coded" transparency is converted to colored image by a coherent optical processor with white light illumination.

Citation Download Citation

Oichi Atoda "Optical Pseudo-Color Processing For Moved Objects", Proc. SPIE 0189, 13th Intl Congress on High Speed Photography and Photonics, (27 July 1979); https://doi.org/10.1117/12.957661

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