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opencv cv2.imread()报错: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor‘
suyun18: 你好,这是我的代码,请问是哪里有问题呢 opencv cv2.imread()报错: error: (-215:Assertion failed) !_src.empty() in function ‘cv::cvtColor‘suyun18: import numpy as np import cv2 import cv2.aruco as aruco import math import time import socket mtx = np.array([ [2946.48, 0, 1980.53], [ 0, 2945.41, 1129.25], [ 0, 0, 1], ]) dist = np.array( [0.226317, -1.21478, 0.00170689, -0.000334551, 1.9892] ) udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) cap = cv2.VideoCapture(1) font = cv2.FONT_HERSHEY_SIMPLEX while True: ret, frame = cap.read() frame1 = cv2.flip(frame, -1) #out.write(frame) cv2.waitKeyEx(100) gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)#R=G=B时,颜色显示灰色 aruco_dict = aruco.Dictionary_get(aruco.DICT_6X6_250)#Aruco标识码种类 aruco_dict1 = aruco.Dictionary_get(aruco.DICT_5X5_250)#创建一个5x5二进制ArUco标记,并且词典中将有250个唯一的ArUco标记ID parameters = aruco.DetectorParameters_create() corners, ids, rejectedImgPoints = aruco.detectMarkers(gray, aruco_dict1, parameters=parameters) corners1, ids1, rejectedImgPoints1 = aruco.d Jmeter监控服务器资源报错问题ERROR: java.net.ConnectException: Connection refused: connect借我一场秋-: 你好,想问下解决了吗 Jmeter监控服务器资源报错问题ERROR: java.net.ConnectException: Connection refused: connect借我一场秋-: 你好,想问下解决了吗?我试了好多方法都不行 安装三方库报错Make sure that you use the correct version of ‘pip‘ installed for your Python interpreter loc十三450: 神了我直接最后一步成功 |
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