Joint transform correlation: some remarks on its implementation and potential applications in transport

Milos Klima

doi:10.1117/12.365923

19 October 1999 Joint transform correlation: some remarks on its implementation and potential applications in transport

Milos Klima

Author Affiliations +

Proceedings Volume 3901, Photonics for Transportation; (1999) https://doi.org/10.1117/12.365923
Event: Photonics for Transportation, 1999, Prague, Czech Republic

Abstract

A 2D correlation of images is one of very efficient methods used in both identification and classification area of image processing. Numerical evaluation of 2D is computationally highly demanding and therefore the optical methods are interested because of parallel and fast performance. The JTC (Joint Fourier Transform) is a well known optical technique for an evaluation of 2D correlation. The paper deals with practical problems of JTC technique implementation-- available SLMs, image sensors and modifications of original optical system. Finally some possible applications in transport are discussed.

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Milos Klima "Joint transform correlation: some remarks on its implementation and potential applications in transport", Proc. SPIE 3901, Photonics for Transportation, (19 October 1999); https://doi.org/10.1117/12.365923

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