# 计算水平方向上的欧氏距离 C = dist.euclidean(eye[0], eye[3]) # 计算眼睛纵横比 ear...= (A + B) / (2.0 * C) return ear def detect_blinks(self, frame): gray = cv2.cvtColor...ear = (left_ear + right_ear) / 2.0 left_eye_hull = cv2.convexHull(left_eye)...cv2.drawContours(frame, [right_eye_hull], -1, (0, 255, 0), 1) if ear...: {:.2f}".format(ear), (300, 30), cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 0, 255),