Abstract

The performance of a joint transform correlator (JTC) in a multiobject environment is improved by the use of a Roberts operator to preprocess the input joint image. This technique yields significantly better results than the classical JTC, and it also avoids the false alarms and reduces the overall computation overhead required in a binary JTC.

© 1993 Optical Society of America

Fringe-adjusted joint transform correlation

Mohammad S. Alam and Mohammad A. Karim
Appl. Opt. 32(23) 4344-4350 (1993)

Morphologically preprocessed joint transform correlation

Shuqun Zhang and Mohammad A. Karim
Appl. Opt. 38(11) 2182-2188 (1999)

Joint-transform correlation under varying illumination

Mohammad S. Alam and Mohammad A. Karim
Appl. Opt. 32(23) 4351-4356 (1993)

Reference phase-encoded fringe-adjusted joint transform correlation

Abdallah K. Cherri and Mohammad S. Alam
Appl. Opt. 40(8) 1216-1225 (2001)

Error-diffusion binarization for joint transform correlators

Hanni Inbar, David Mendlovic, and Emanuel Marom
Appl. Opt. 32(5) 707-714 (1993)