import CV2

import numpy as np

# 讀取圖片

img = CV2.imread("/home/mhy/photo.jpg")

# 轉(zhuǎn)換為HSV顏色空間

hsv = CV2.cvtColor(img, CV2.COLOR_BGR2HSV)

CV2.imshow("12",hsv)

CV2.waitKey(0)

# 設橙色的閾值范圍

lower_orange = np.array([0, 190, 190])

upper_orange = np.array([25, 255, 255])

# 創(chuàng)建橙色的掩碼

mask = CV2.inRange(hsv, lower_orange, upper_orange)

CV2.imshow("mask", mask)

CV2.waitKey(0)

# 進行形態(tài)學運算

kernel = np.ones((5, 5), np.uint8)

mask = CV2.morphologyEx(mask, CV2.MORPH_CLOSE, kernel)

CV2.imshow("morphologyEx", mask)

CV2.waitKey(0)

# 找到圖像中的橙色對象

cnts, _ = CV2.findContours(mask, CV2.RETR_EXTERNAL, CV2.CHAIN_APPROX_SIMPLE)

# 畫圓圈

for c in cnts:

??x, y, w, h = CV2.boundingRect(c)

??CV2.circle(img, (x + w // 2, y + h // 2), w // 2, (0, 0, 255), 2)

# 顯示圖片

CV2.imshow("Orange", img)

CV2.waitKey(0)

CV2.destroyAllWindows()