RosettaCodeData/Task/Hough-transform/Zkl/hough-transform-2.zkl
2017-09-25 22:28:19 +02:00

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Text

fcn readPNG2PPM(fileName){
p:=System.popen("convert \"%s\" ppm:-".fmt(fileName),"r");
img:=PPM.readPPM(p);
p.close();
img
}
houghTransform(readPNG2PPM("pentagon.png"))
.write(File("pentagon_hough.ppm","wb"));