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python-----從本地攝像頭和網(wǎng)絡(luò)攝像頭截取圖片 ,具體代碼如下所示:
import cv2 # 獲取本地攝像頭 # folder_path 截取圖片的存儲目錄 def get_img_from_camera_local(folder_path): cap = cv2.VideoCapture(0) i = 1 while True: ret, frame = cap.read() cv2.imshow("capture", frame) print str(i) cv2.imwrite(folder_path + str(i) + '.jpg', frame) # 存儲為圖像 if cv2.waitKey(1) & 0xFF == ord('q'): break i += 1 cap.release() cv2.destroyAllWindows() # 獲取網(wǎng)絡(luò)攝像頭,格式:rtsp://username:pwd@ip/ # folder_path 截取圖片的存儲目錄 def get_img_from_camera_net(folder_path): cap = cv2.VideoCapture('rtsp://username:pwd@ip/') i = 1 while True: ret, frame = cap.read() cv2.imshow("capture", frame) print str(i) cv2.imwrite(folder_path + str(i) + '.jpg', frame) # 存儲為圖像 if cv2.waitKey(1) & 0xFF == ord('q'): break i += 1 cap.release() cv2.destroyAllWindows() # 測試 if __name__ == '__main__': folder_path = 'D:\\img_from_camera\\' get_img_from_camera_local(folder_path)