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43 #ifndef __OPENCV_SIMPLEFLOW_H__
44 #define __OPENCV_SIMPLEFLOW_H__
50 #define MASK_TRUE_VALUE 255
51 #define UNKNOWN_FLOW_THRESH 1e9
55 inline static float dist(const Vec3b& p1, const Vec3b& p2) {
56 return (float)((p1[0] - p2[0]) * (p1[0] - p2[0]) +
57 (p1[1] - p2[1]) * (p1[1] - p2[1]) +
58 (p1[2] - p2[2]) * (p1[2] - p2[2]));
61 inline static float dist(const Vec2f& p1, const Vec2f& p2) {
62 return (p1[0] - p2[0]) * (p1[0] - p2[0]) +
63 (p1[1] - p2[1]) * (p1[1] - p2[1]);
66 inline static float dist(const Point2f& p1, const Point2f& p2) {
67 return (p1.x - p2.x) * (p1.x - p2.x) +
68 (p1.y - p2.y) * (p1.y - p2.y);
71 inline static float dist(float x1, float y1, float x2, float y2) {
72 return (x1 - x2) * (x1 - x2) +
73 (y1 - y2) * (y1 - y2);
76 inline static int dist(int x1, int y1, int x2, int y2) {
77 return (x1 - x2) * (x1 - x2) +
78 (y1 - y2) * (y1 - y2);
82 inline static T min(T t1, T t2, T t3) {
83 return (t1 <= t2 && t1 <= t3) ? t1 : min(t2, t3);