Improved Joint Transform Correlator Performance Through Spectral Domain Thresholding
Outline
Motivation
Background Optical object recognition
Background Joint Fourier transform correlation
Background Operation of the joint transform correlator (JTC)
Background Correlation plane signal
Background Theoretical model of the ‘linear’ JTC
Spectral domain thresholding
Binary JTC simulations Input image sets
Binary JTC simulations Input plane positions
Optimal uniform threshold
Optical Implementation
Conclusions
Future directions
Unthresholded JTC Multiple inputs
Unthresholded JTC Rotation sensitivity
JTC : Input & output planes
Email: tom.naughton@may.ie
Home Page: http://www.cs.may.ie/~tnaughton