#!/usr/bin/octave -q addpath(getenv("OCTAVEPATH")); highgui; cv; I=cvLoadImage("frame.jpg"); a=cv2im(I); I2=im2cv(a, CV_8UC(1)); imshow(cv2im(I)); imshow(cv2im(I2)); a=rand(3,3,3); b=mat2cv(a,CV_64FC(1)); c=cv2mat(b); assert(all(a==c)); a=eye(3); b=mat2cv(a,CV_64FC(1)); c=cv2mat(b); assert(all(a==c)); assert(all(cv2mat(mat2cv(eye(3),6))==eye(3))); I=cvLoadImage("frame.jpg"); a=cv2im(I); I2=cvCloneImage(I); cvSobel(I,I2,2,2); imshow(cv2im(I2)); imshow(a);