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How to find ht:width ratio of a connected component?

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Sucheta
Sucheta il 7 Feb 2012
Application: Face detection by skin color I have separated out the connected components in a BW image. All I want to do is find out the ratio of height:width ratio of individual component. The Matlab version I am using is 2010. Please help asap.

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David Young
David Young il 7 Feb 2012
Have a look at regionprops. It will give you an aspect ratio for each blob, or the bounding box.
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Sucheta
Sucheta il 8 Feb 2012
Thanks, I will check it out and get back to you.
Sucheta
Sucheta il 27 Feb 2012
**I am unable to follow. Can you explain me with an example//
**How to upload an image. It will be easy for me to explain.
**Also,
I have this BW image. Black backround and white blob.
I want to find out the centroid of that blob.
After this process I want to find out its y-axis and x-axis distance.

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