20 October 1997 Identification of a random binary phase mask and its fragments with a joint transform correlator
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Abstract
The input image phase encoding method is utilized for identification of random binary phase masks (RBPM) and their separated fragments with a joint transform correlator (JTC). Equations for a joint power spectrum of a reference RBPM and its separated fragment and for a fragment's autocorrelation function produced in a JTC are obtained. Dependences between separated mask's fragment parameters and autocorrelation output signals are determined. Equations for autocorrelation peaks coordinates definition at a JTC output plane are found. Computer simulations of a mask's fragments autocorrelation functions are carried out. Influence of a mask and a fragments dimensions on output autocorrelation and sidelobe peaks is studied on a base of obtained results. Algorithm for realization of a code identification by a JTC with a phase-encoded input is proposed
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Leonid I. Muravsky, Leonid I. Muravsky, Volodymyr M. Fitio, Volodymyr M. Fitio, Mykhajlo V. Shovgenyuk, Mykhajlo V. Shovgenyuk, Petro A. Hlushak, Petro A. Hlushak, } "Identification of a random binary phase mask and its fragments with a joint transform correlator", Proc. SPIE 3238, Current Ukrainian Research in Optics and Photonics: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing, (20 October 1997); doi: 10.1117/12.284788; https://doi.org/10.1117/12.284788
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