ofVec2f ofxCvOpticalFlowLK::flowInRegion(ofRectangle roi) { return flowInRegion(roi.x, roi.y, roi.width, roi.height); }
ofPoint ofxCvOpticalFlowLK::flowInRegion(ofRectangle roi) { return flowInRegion(roi.x, roi.y, roi.height, roi.width); }