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Correct image borders and principal point computation in cv::stereoRectify#6337

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vicproon wants to merge 1 commit intoopencv:masterfrom
vicproon:rectify_correct_principal_point
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Correct image borders and principal point computation in cv::stereoRectify#6337
vicproon wants to merge 1 commit intoopencv:masterfrom
vicproon:rectify_correct_principal_point

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@vicproon
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resolves #6336

What does this PR change?

Image corners for undistortion now uses real image corners independently if source image scale.
It fixes the issue and runs well on the test code sample attached to it.

rsz_result
correct resize -> remap(rectify)
src_result
remap(rectify) -> resize

@vicproon
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any updates on this PR? (it fixes behaviour of stereoRectify for ill-conditioned calibration parameters)

@vpisarev
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vpisarev commented Jul 8, 2016

this PR will be recreated because of CI issues

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Incorrect image borders taken in cv::stereoRectify (calibration.cpp)

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