cv2.rectangle 报错（error: OpenCV(4.5.5) :-1: error: (-5:Bad argument) in function ‘rectangle‘）
opencv
OpenCV: 开源计算机视觉库
项目地址：https://gitcode.com/gh_mirrors/opencv31/opencv
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# 报错原因一， 不是整数，加int（），强制为整数
cv2.rectangle(img, (int(x1),int(y1)), (int(x2),int(y2)), (0,0,255), 3)
# 报错原因二， numpy数组在存储的过程中不连续了，一行api让他连起来
img = np.ascontiguousarray(img) # img为你的图片数组
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OpenCV: 开源计算机视觉库
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1f47f5ba
imgproc: replace assertion in cornerSubPix with descriptive error #28404
Replace CV_Assert with explicit bounds check for initial corners in cornerSubPix.
This provides a descriptive runtime error instead of abrupt termination,
improving error handling for Python and C++ users.
No algorithmic or behavioral change for valid inputs.
Fixes #25139 (Related to #7276).
### Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work
- [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake
21 小时前
fba658b9
Improve precision of RotatedRect::points 1 天前
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