Calculating area of a shape in an image
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How to calculate the actual area (in Cm^2) for an irregular shape in an image?? Please help me.
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Image Analyst
am 29 Dez. 2011
You need to know the size of your image's total field of view, or an object of known size in the image, so that you can calculate a pixels/cm calibration factor. Then calculate area in pixels as usual (bwlabel, regionprops) and multiply by the square of the calibration factor.
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Image Analyst
am 7 Jan. 2012
There's an app for that: http://hight3ch.com/the-app-that-can-measures-everything-from-your-photos/#more-7597
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