MATLAB: How to convert pixel cordinates to spatial cordinates.?

Image Processing Toolboxpixel cordinatesspatial cordinates

 I have pixel cordinates of a rectangle but imcrop require spatial coordinates of rectangle to crop...Please tell me how to switch between the two coordinate systems?

Best Answer

imcrop() uses pixel coordinates. What do you have?

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You ought to be able to accomplish this with imcrop itself.

First use this:

 [I1c rect] = imcrop(I1)

Which returns the cropping rectangle in rect, a four-element position vector.

Then

 I2c = imcrop(I2, rect)

Which crops the image I2. rect is a four-element position vector[xmin ymin width height] that specifies the size and position of the crop rectangle obtained from the first image.

Best Answer

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MATLAB: Cartesian to polar cordinate’

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