cvContourArea    1156 modules/calib3d/src/calibinit.cpp             double hull_area = fabs(cvContourArea(hull, CV_WHOLE_SEQ));
cvContourArea    1714 modules/calib3d/src/calibinit.cpp                 double area = fabs(cvContourArea(dst_contour, CV_WHOLE_SEQ));
cvContourArea     545 modules/imgproc/include/opencv2/imgproc/imgproc_c.h CVAPI(double)  cvContourArea( const CvArr* contour,
cvContourArea    1771 modules/imgproc/test/test_convhull.cpp         area = cvContourArea( points );