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If the user passes an empty output matrix, initialize it to identity.

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This commit is contained in:
Utkarsh Sinha 2017-04-10 20:43:33 -07:00
parent 0a63ab36bb
commit b9c2d88e69
1 changed files with 10 additions and 0 deletions
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10
modules/video/src/ecc.cpp
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@ -325,6 +325,16 @@ double cv::findTransformECC(InputArray templateImage,
CV_Assert(!src.empty());
CV_Assert(!dst.empty());
// If the user passed an un-initialized warpMatrix, initialize to identity
if(map.empty()) {
int rowCount = 2;
if(motionType == MOTION_HOMOGRAPHY)
rowCount = 3;
warpMatrix.create(rowCount, 3, CV_32FC1);
map = warpMatrix.getMat();
map = Mat::eye(rowCount, 3, CV_32F);
}
if( ! (src.type()==dst.type()))
CV_Error( Error::StsUnmatchedFormats, "Both input images must have the same data type" );