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2014/10/15 ¤U¤È 10:12:28
iphone Programming Glossary: paperverticesadjust corners and crop the image openCV http://stackoverflow.com/questions/13098073/adjust-corners-and-crop-the-image-opencv float distanceP1P3 BOOL isLandscape true int scaleFactor cv Mat paperImage cv Mat paperImageCorrected cv Point2f paperVertices 4 sort square corners for further operations square sortSquarePointsClockwise square rearrange to get proper order for getPerspectiveTransform.. imageVertices 0 imageVertices 1 distanceP1P3 distanceBetweenPoints imageVertices 0 imageVertices 2 calc paper paperVertices take orientation into account if distanceP1P2 distanceP1P3 scaleFactor ceil lroundf distanceP1P2 paperHeight we always want.. down to maintain the best quality possible paperImage cv Mat paperWidth scaleFactor paperHeight scaleFactor CV_8UC3 paperVertices 0 cv Point 0 0 paperVertices 1 cv Point paperHeight scaleFactor 0 paperVertices 2 cv Point 0 paperWidth scaleFactor paperVertices..
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