mirror of
https://github.com/opencv/opencv.git
synced 2024-11-27 04:36:36 +08:00
51 lines
1.1 KiB
Matlab
51 lines
1.1 KiB
Matlab
#! /usr/bin/env octave
|
|
cv;
|
|
highgui;
|
|
|
|
global g;
|
|
g.src=[];
|
|
g.dst=[];
|
|
g.src2=[];
|
|
|
|
function on_mouse( event, x, y, flags, param )
|
|
global g;
|
|
global cv;
|
|
global highgui;
|
|
|
|
if(!swig_this(g.src) )
|
|
return;
|
|
endif
|
|
|
|
if (event==highgui.CV_EVENT_LBUTTONDOWN)
|
|
cvLogPolar( g.src, g.dst, cvPoint2D32f(x,y), 40, cv.CV_INTER_LINEAR+cv.CV_WARP_FILL_OUTLIERS );
|
|
cvLogPolar( g.dst, g.src2, cvPoint2D32f(x,y), 40, cv.CV_INTER_LINEAR+cv.CV_WARP_FILL_OUTLIERS+cv.CV_WARP_INVERSE_MAP );
|
|
cvShowImage( "log-polar", g.dst );
|
|
cvShowImage( "inverse log-polar", g.src2 );
|
|
endif
|
|
endfunction
|
|
|
|
filename = "../c/fruits.jpg"
|
|
if (size(argv, 1)>1)
|
|
filename=argv(){1};
|
|
endif
|
|
|
|
g.src = cvLoadImage(filename,1);
|
|
if (!swig_this(g.src))
|
|
printf("Could not open %s",filename);
|
|
exit(-1)
|
|
endif
|
|
|
|
cvNamedWindow( "original",1 );
|
|
cvNamedWindow( "log-polar", 1 );
|
|
cvNamedWindow( "inverse log-polar", 1 );
|
|
|
|
|
|
g.dst = cvCreateImage( cvSize(256,256), 8, 3 );
|
|
g.src2 = cvCreateImage( cvGetSize(g.src), 8, 3 );
|
|
|
|
cvSetMouseCallback( "original", @on_mouse );
|
|
on_mouse( CV_EVENT_LBUTTONDOWN, g.src.width/2, g.src.height/2, [], []);
|
|
|
|
cvShowImage( "original", g.src );
|
|
cvWaitKey();
|