python - Finding Light Spots with OpenCV -


i circle light spots opencv. idea find webcam light spots, if have 3 leds in scene likt circle them. not sure how circle/filter them. here code far:

import cv2 import numpy np import imutils  cap = cv2.videocapture(0) while true:     _, frame = cap.read()      gray = cv2.cvtcolor(frame, cv2.color_bgr2gray)     blur = cv2.gaussianblur(gray, (11,11), 0)       (minval, maxval, minloc, maxloc) = cv2.minmaxloc(blur)       hi, threshold = cv2.threshold(blur, maxval-20, 230, cv2.thresh_binary)     thr = threshold.copy()       cv2.resize(thr, (300,300))       edged = cv2.canny(threshold, 50, 150)     _, lightcontours, hierarchy = cv2.findcontours(edged, cv2.retr_tree, cv2.chain_approx_simple)          (i, c) in enumerate(lightcontours):         points = []         (x, y, w, h) = cv2.boundingrect(c)         ((cx, cy), radius) = cv2.minenclosingcircle(c)         cv2.circle(frame, (int(cx), int(cy)), int(radius),             (0, 0, 255), 3)         points.append([[int(cx), int(cy)]])         print points         cv2.puttext(frame, "#{}".format(i + 1), (x, y - 15),             cv2.font_hershey_simplex, 0.45, (0, 0, 255), 2)       cv2.imshow('light', thr)     cv2.imshow('frame', frame)     cv2.imshow('edges', edged)     cv2.waitkey(4)     key = cv2.waitkey(5) & 0xff     if key == ord('q'):         break cap.release() cv2.destroyallwindows()

so can circle them? found sources circle light spots in picture did not managed adapt them streaming. ideas?

best regards

update: updated code show actual state.


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