Apply rotate angle and scale factor to a chessboard image.

asked 2016-04-22 08:11:01 -0600

mvc
1 ●1 ●1

I got a chessboard image (C:\fakepath\calib13.png.

I will project that chessboard image into a plane but I want to apply some scale factor and rotation angle in x and y in order to project the same image seen from different perspectives and heights.

How can I make it using OpenCv library?

Thank you in advance!

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answered 2016-04-22 15:22:18 -0600

Tetragramm

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You want the getRotationMatrix2D function. That gives you the affine matrix to warp by. Then warpAffine to do the actual transformation.

Give the core and imgproc module documentation a read-through. Most of what anybody needs is in those two modules.

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Asked: 2016-04-22 08:11:01 -0600

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Last updated: Apr 22 '16

Apply rotate angle and scale factor to a chessboard image. edit

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Apply rotate angle and scale factor to a chessboard image.