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  /external/opencv/cv/src/
cvundistort.cpp 67 float x = (u - u0)*ifx, x2 = x*x, r2 = x2 + y2, _2xy = 2*x*y; local
69 float _x = fx*(x*kr + p1*_2xy + p2*(r2 + 2*x2)) + x0;
70 float _y = fy*(y*kr + p1*(r2 + 2*y2) + p2*_2xy) + y0;
246 float x = (u - u0)*ifx, x2 = x*x, r2 = x2 + y2, _2xy = 2*x*y; local
248 double _x = fx*(x*kr + p1*_2xy + p2*(r2 + 2*x2)) + x0;
249 double _y = fy*(y*kr + p1*(r2 + 2*y2) + p2*_2xy) + y0;
357 double r2 = x2 + y2, _2xy = 2*x*y; local
359 double u = fx*(x*kr + p1*_2xy + p2*(r2 + 2*x2)) + u0;
360 double v = fy*(y*kr + p1*(r2 + 2*y2) + p2*_2xy) + v0;
  /external/opencv3/modules/imgproc/src/
undistort.cpp 143 double r2 = x2 + y2, _2xy = 2*x*y; local
145 double u = fx*(x*kr + p1*_2xy + p2*(r2 + 2*x2) + s1*r2+s2*r2*r2) + u0;
146 double v = fy*(y*kr + p1*(r2 + 2*y2) + p2*_2xy + s3*r2+s4*r2*r2) + v0;
557 double r2 = x2 + y2, _2xy = 2*q.x*q.y; local
559 double u = fx*(q.x*kr + p1*_2xy + p2*(r2 + 2*x2) + s1*r2+ s2*r2*r2) + cx;
560 double v = fy*(q.y*kr + p1*(r2 + 2*y2) + p2*_2xy + s3*r2+ s4*r2*r2) + cy;

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