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Cv2.imshow 大小

#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)

>>>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 ...

提供的代码太少了。 试下 cv2.imshow('test.png',img)

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 ...

重启python IDLE

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,...

#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)

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('...

代码片段1:显示一张图片并将其缩放到指定尺寸?1234567 import cv2img = cv2.imread('good.jpg') #你好cv2.namedWindow('Image')cv2.imshow('Image', img...

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