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2014-07-11 07:17:37 -0500 commented answer change pixels color value

thank you

2014-07-11 07:16:36 -0500 commented question change pixels color value

thanks a lot! i find my answer. i am new in opencv and this tutorials is great for me.

2014-07-11 03:16:06 -0500 commented question change pixels color value

in grayscale images any pixels have values between 0 and 255, OK? i want to get this values and set them by desired values.

2014-07-10 16:05:14 -0500 asked a question change pixels color value

hi everyone i want to change some pixels values based on special condition. for instance if value of a pixel is 75, set it to zero or some another values. i use opencv in c++ and use IPLimage for processing images in program. i want to use this idea for detect unnecessary areas and eliminate them. thank you.

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2014-05-15 01:16:06 -0500 commented answer drawing lines

thank you

2014-05-09 08:17:22 -0500 asked a question drawing lines


how i can draw a line and get its length and angle?

image description

2014-05-09 05:00:25 -0500 received badge  Editor (source)
2014-05-09 04:59:03 -0500 asked a question detecting shapes that are placed on another shape

hi everyone.

i am trying to detect a shape like image below. i want to detect the circle shape and return its details. i use cvFindContours to do this. but this function return whole shape as result. how i can separate circle shape from remained area?

image description