opencv/samples/octave/inpaint.m

85 lines
2.0 KiB
Matlab

#! /usr/bin/env octave
cv;
highgui;
global g;
inpaint_mask = [];
g.img0 = [];
g.img = [];
g.inpainted = [];
g.prev_pt = cvPoint(-1,-1);
function on_mouse( event, x, y, flags, param )
global g;
global cv;
global highgui;
if (!swig_this(g.img))
return;
endif
if (event == highgui.CV_EVENT_LBUTTONUP || ! (bitand(flags,highgui.CV_EVENT_FLAG_LBUTTON)))
g.prev_pt = cvPoint(-1,-1);
elseif (event == highgui.CV_EVENT_LBUTTONDOWN)
g.prev_pt = cvPoint(x,y);
elseif (event == highgui.CV_EVENT_MOUSEMOVE && bitand(flags,highgui.CV_EVENT_FLAG_LBUTTON))
pt = cvPoint(x,y);
if (g.prev_pt.x < 0)
g.prev_pt = pt;
endif
cvLine( g.inpaint_mask, g.prev_pt, pt, cvScalarAll(255), 5, 8, 0 );
cvLine( g.img, g.prev_pt, pt, cvScalarAll(255), 5, 8, 0 );
g.prev_pt = pt;
cvShowImage( "image", g.img );
endif
endfunction
filename = "../c/fruits.jpg";
if (size(argv, 1)>=1)
filename = argv(){1};
endif
g.img0 = cvLoadImage(filename,-1);
if (!swig_this(g.img0))
printf("Can't open image '%s'\n", filename);
exit(1);
endif
printf("Hot keys:\n");
printf("\tESC - quit the program\n");
printf("\tr - restore the original image\n");
printf("\ti or ENTER - run inpainting algorithm\n");
printf("\t\t(before running it, paint something on the image)\n");
cvNamedWindow( "image", 1 );
g.img = cvCloneImage( g.img0 );
g.inpainted = cvCloneImage( g.img0 );
g.inpaint_mask = cvCreateImage( cvGetSize(g.img), 8, 1 );
cvZero( g.inpaint_mask );
cvZero( g.inpainted );
cvShowImage( "image", g.img );
cvShowImage( "watershed transform", g.inpainted );
cvSetMouseCallback( "image", @on_mouse, [] );
while (true)
c = cvWaitKey(0);
if( c == 27 || c=='q')
break;
endif
if( c == 'r' )
cvZero( g.inpaint_mask );
cvCopy( g.img0, g.img );
cvShowImage( "image", g.img );
endif
if( c == 'i' || c == '\012' )
cvNamedWindow( "g.inpainted image", 1 );
cvInpaint( g.img, g.inpaint_mask, g.inpainted, 3, CV_INPAINT_TELEA );
cvShowImage( "g.inpainted image", g.inpainted );
endif
endwhile