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how to draw circles on a image for pixel count?

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Dhandapani.S
Dhandapani.S on 22 Jan 2015
Commented: Image Analyst on 23 Jan 2015
Sorry again. below is the image circ.png.
First i have to find the center(x,y) of the png image. using the center(x,y) of the png image file, i have draw a several circles with increasing radius until it covers the entire png image. the center of the circle should be at center of the png image. after drawing the circles, i have to count number of pixels in each circle. please help me in this regard.thanks in advance.
  3 Comments
Image Analyst
Image Analyst on 23 Jan 2015
I'm certain my solution would also work on the scriblings image here.

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