Length of cross of segment and rectangle by Maxim Vedenyov

If segment is outside rectangle then return 0 (segment, cross, rectangle)

L=segment_rectange(a,b,r)

rcr=cross_perimeter(a,b,r)

zz_segment_rectange_test.m

Efficient subpixel image registration by cross-correlation by Manuel Guizar

Registers two images (2-D rigid translation) within a fraction of a pixel specified by the user. (correlation, image registration, alignment)

Efficient subpixel image registration by cross-correlation.

dftregistration(buf1ft,buf2ft,usfac)

Windowed Cross Correlation (corrgram) by Norbert Marwan

Computes windowed cross correlation (correlation, cross, statistics)

corrgram(varargin)

XCORR2x.m by J. Cogdell

Normalizes the output of cross-correlation function XCORR2.M according to 'biasflag'. (dsp, xcorr2, normalize)

XCORR2x(A,B,biasflag)