Lines Matching defs:ellipse
129 Scalar ellipse; // 3 elements a, b, c: ax^2+2bxy+cy^2=1
130 Size_<float> axes; // half length of ellipse axes
142 ellipse = _ellipse;
144 double a = ellipse[0], b = ellipse[1], c = ellipse[2];
151 boundingBox.width = (float)sqrt(ellipse[2]/ac_b2);
152 boundingBox.height = (float)sqrt(ellipse[0]/ac_b2);
166 return getSecondMomentsMatrix(ellipse);
269 //compute the distance from the ellipse center
339 EllipticKeyPoint keypoint1a = EllipticKeyPoint( kp1.center, Scalar(fac*kp1.ellipse[0], fac*kp1.ellipse[1], fac*kp1.ellipse[2]) );
348 EllipticKeyPoint keypoint2a = EllipticKeyPoint( kp2.center, Scalar(fac*kp2.ellipse[0], fac*kp2.ellipse[1], fac*kp2.ellipse[2]) );
364 IntersectAreaCounter ac( dr, minx, miny, maxy, diff, keypoint1a.ellipse, keypoint2a.ellipse );