Experimental comparison of binary joint transform correlators used for fingerprint identification

Thomas J. Grycewicz; Bahram Javidi

doi:10.1117/1.600856

1 September 1996 Experimental comparison of binary joint transform correlators used for fingerprint identification

Thomas J. Grycewicz; Bahram Javidi

Author Affiliations +

Optical Engineering, 35(9), (1996). doi:10.1117/1.600856

Abstract

We compare the experimental performance of 12 variations of the binary joint transform correlator (BJTC) when used for fingerprint identification. Three hardware architectures were used: a single spatial light modulator (SLM) BJTC, a BJTC using two input SLMs, and a chirpencoded BJTC using two input SLMs. These correlators were implemented on the same hardware setup with minor modifications. With each hardware configuration, four binarization techniques were implemented: global threshold, Fourier plane windowing, frame subtraction, and frame subtraction followed by windowing. A set of 10 experiments was used to characterize the output peak intensity, peak-to-noise ratio, and discrimination ratio. The same set of experiments was run on each of the 12 correlator variants.

Citation Download Citation

Thomas J. Grycewicz, Bahram Javidi, "Experimental comparison of binary joint transform correlators used for fingerprint identification," Optical Engineering 35(9), (1 September 1996). https://doi.org/10.1117/1.600856

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