[英]Unsupported or Unrecognized array type error in OpenCV 3.1 in Python
[英]OpenCV Python unsupported array type error
我是Python的新手(但不是openCV的新手),我很确定一切都安装正确,我测试了一些程序,似乎工作正常,但是当我想要在图像上绘图时,例如这个代码来自Python openCV教程:
import numpy as np
import cv2
# Create a black image
img = np.zeros((512,512,3), np.uint8)
# Draw a diagonal blue line with thickness of 5 px
img = cv2.line(img,(0,0),(511,511),(255,0,0),5)
cv2.imshow('img',img)
cv2.waitKey(0)
cv2.destroyAllWindows()
我得到以下错误:
OpenCV Error: Bad flag (parameter or structure field) (Unrecognized or unsupported array type) in cvGetMat, file /build/buildd/opencv-2.3.1/modules/core/src/array.cpp, line 2482
Traceback (most recent call last):
File "/home/dccv/rec 2.py", line 17, in <module>
cv2.imshow('img',img)
cv2.error: /build/buildd/opencv-2.3.1/modules/core/src/array.cpp:2482: error: (-206)
Unrecognized or unsupported array type in function cvGetMat
任何帮助将不胜感激,我在Windows和ubuntu上都得到了相同的错误。
line
函数返回None
因此您尝试显示None
。
修复(第6行)是不将img
变量设置为返回值,而只是忽略返回值:
import numpy as np
import cv2
# Create a black image
img = np.zeros((512,512,3), np.uint8)
# Draw a diagonal blue line with thickness of 5 px
cv2.line(img,(0,0),(511,511),(255,0,0),5)
cv2.imshow('img',img)
cv2.waitKey(0)
cv2.destroyAllWindows()
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.