Lines Matching refs:cv2
24 import cv2
30 criteria = (cv2.TERM_CRITERIA_EPS | cv2.TERM_CRITERIA_COUNT, 10, 0.03))
38 p1, st, err = cv2.calcOpticalFlowPyrLK(img0, img1, p0, None, **lk_params)
39 p0r, st, err = cv2.calcOpticalFlowPyrLK(img1, img0, p1, None, **lk_params)
56 frame_gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
68 … H, status = cv2.findHomography(self.p0, self.p1, (0, cv2.RANSAC)[self.use_ransac], 10.0)
70 overlay = cv2.warpPerspective(self.frame0, H, (w, h))
71 vis = cv2.addWeighted(vis, 0.5, overlay, 0.5, 0.0)
75 cv2.line(vis, (x0, y0), (x1, y1), (0, 128, 0))
76 cv2.circle(vis, (x1, y1), 2, (red, green)[good], -1)
81 p = cv2.goodFeaturesToTrack(frame_gray, **feature_params)
84 cv2.circle(vis, (x, y), 2, green, -1)
87 cv2.imshow('lk_homography', vis)
89 ch = 0xFF & cv2.waitKey(1)
94 self.p0 = cv2.goodFeaturesToTrack(frame_gray, **feature_params)
113 cv2.destroyAllWindows()