opencv-simple blob detector issue - Raspberry Pi Forums

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hello,
trying use opencv feature simpleblobdetector 1 of params; filterbycircularity. alone doesn't seems detect perfect circle. have tried min , maximum range not helps.

if use filter area in combination it, seems work; because of area filters think.

can plz tell me default values of min , maximum circularity?

has tried using filterbycircularity alone? having similar problem when using filterbycolor well.

params.filterbycircularity = true;
params.mincircularity = 0.0;
params.maxcircularity = 1;

attaching image of circle. convert grayscale , use it.


regards saher maqsood

what talking about? see no link demo refer to, if want people to
need provide basic details start with...


raspberrypi



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