zzugumi

import cv2
import numpy as np




cap = cv2.VideoCapture(0)
while(1):
    ret, frame = cap.read()
    frame = cv2.flip(frame, 1)
    frame_hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)
    lower_color= (84,81,133)
    upper_color=(119,201,255)

    frame_mask = cv2.inRange(frame_hsv,lower_color,upper_color)

    kernel = np.ones((5, 5), np.uint8)
    frame_mask = cv2.erode(frame_mask, kernel, iterations=1)
    frame_mask = cv2.dilate(frame_mask, kernel, iterations=1)
    frame_mask = cv2.GaussianBlur(frame_mask, (3, 3), 0)

    contours, hierarchy = cv2.findContours(frame_mask, cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
    areas = [cv2.contourArea(c) for c in contours]
    max_index = np.argmax(areas)
    cnt = contours[max_index]
    cv2.drawContours(frame, cnt, -1, (255, 0, 0), 5)

    M = cv2.moments(cnt)
    cx = int(M['m10']/M['m00'])
    cy = int(M['m01']/M['m00'])
    cv2.circle(frame, (cx, cy), 5, (0,0,255), -1)
    print(cx)

    cv2.imshow('frame',frame)
    cv2.imshow('mask', frame_mask)

    k = cv2.waitKey(5) & 0xFF
    if k == 27:
        break

cv2.destroyAllWindows()
cap.release()