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mAC Cv2.imshow

重启python IDLE

>>>cv2.namedWindow("Image")>>>cv2.imshow("Image", img)用鼠标点一下后 未响应。import cv2import numpy as np 成功Q唯我独尊W | 浏览837 次 ...

出错的意思是: 不能识别或者不支持的数组类型, 请看你传的参数是不是对的, 找到出错的地方,看下。

[1] except: filename = "abc.jpg" img = cv2.imread( filename ) cv2.namedWindow("demo1") cv2.imshow("demo1", img) cv2.waitKey(0) 错误:OpenCV ...

#参考代码import cv2img = cv2.imread('test.jpg',0)crop_img = img[300:400, 50:300]cv2.imshow("image", crop_img)cv2.waitKey(0)

Note When using the FaceRecognizer interface in combination with Python, please stick to Python 2. Some underlying scripts like create_csv will not work in other versions, like Python 3. cv2如果用上了人脸识别,最好用python2,...

img = cv2.imread("图像路径") #读入图像 saltImage = salt(img, 500) # 调用salt函数 cv2.imshow("Salt", saltImage) #显示图像 cv2.waitKey(0) #等待...

安装: 命令行 pip install D:\python3.6.1\Scriptsopencv_python-3.2.0-cp36-cp36m-win_amd64.whl 测试代码: import cv2 img = cv2.imread('...

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