Morphological fringe-adjusted joint transform correlation

Qu Wang; Yibing Deng; Shutian Liu

doi:10.1117/1.2338590

1 August 2006 Morphological fringe-adjusted joint transform correlation

Qu Wang, Yibing Deng, Shutian Liu

Author Affiliations +

Optical Engineering, Vol. 45, Issue 8, 087002 (August 2006). https://doi.org/10.1117/1.2338590

Abstract

We present a modified nonlinear correlation, called the morphological fringe-adjusted joint transform correlation (MFJTC), which is based on fringe-adjusted joint transform correlation (FJTC) and morphological correlation (MC). In MFJTC, the classical joint transform correlation (JTC) to implement the sublinear correlations (sub-LC) of MC is replaced with FJTC. The computer simulation results and an optoelectronic setup for MFJTC are given and compared with those of MC and FJTC. Simulations show that the MFJTC provides better stability against salt-and-pepper noise in the input scene, while maintaining high and sharp correlation signal. Although MFJTC loses the illumination-invariant recognition of MC when the input scene is brighter than the reference, it still ensures considerable discriminability.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Qu Wang, Yibing Deng, and Shutian Liu "Morphological fringe-adjusted joint transform correlation," Optical Engineering 45(8), 087002 (1 August 2006). https://doi.org/10.1117/1.2338590

Published: 1 August 2006

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