Plotting co-ordinates using image processing.

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Emmanuel
Emmanuel 2014-6-2
回答： Image Analyst 2014-6-7
Hello all! I would like to plot the real worl co-ordinates in matlab and plot a triangle. I have marked the point with a red marker and detected its location. But the value returned is in pixel and hence to convert it inot cm, I multiplied the x and y co-ords of the image by 0.02..still I'm not getting the correct answer. It should be 0.6 whereas the calculated value is 4. Please help me over this.

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回答（1 个）

Image Analyst
Image Analyst 2014-6-7
Take a picture of something like a ruler and then you calibrate how many pixels equals 1 cm.

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