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The performance of the phase-correlation image-registration algorithm when greyscale images are replaced by boundary maps is discussed in the light of several experiments. It is found that use of contours only does not substantially degrade the algorithm performance, while the reduced amount of information associated with each image may turn to advantage whenever the bandwidth of the communication channel is concerned.
Computers and Digital Techniques, IEE Proceedings E (Volume:134 , Issue: 2 )
Date of Publication: March 1987