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calib3d: improve documentation of reprojectImageTo3D

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Make a note about 16-bit signed format - the function assumes that
values have no fractional bits (so 16-bit disparity from StereoBM
and StereoSGBM cannot be directly used!)
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Rok Mandeljc 2015-03-24 21:06:31 +01:00 committed by Rok Mandeljc
parent bf5e930468
commit 980d84e4a2
1 changed files with 2 additions and 1 deletions
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modules/calib3d/include/opencv2/calib3d.hpp
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@ -1375,7 +1375,8 @@ CV_EXPORTS_W void validateDisparity( InputOutputArray disparity, InputArray cost
/** @brief Reprojects a disparity image to 3D space.
@param disparity Input single-channel 8-bit unsigned, 16-bit signed, 32-bit signed or 32-bit
floating-point disparity image.
floating-point disparity image. If 16-bit signed format is used, the values are assumed to have no
fractional bits.
@param _3dImage Output 3-channel floating-point image of the same size as disparity . Each
element of _3dImage(x,y) contains 3D coordinates of the point (x,y) computed from the disparity
map.