Python Programmer Bootcamp: Starting to work in Visual Studio

Question

I receive the following error message when running this code:

img = cv2.GaussianBlur(img, (5,5), 0)

error: OpenCV(4.5.1) C:\Users\appveyor\AppData\Local\Temp\1\pip-req-build-oduouqig\opencv\modules\imgproc\src\hough.cpp:2253: error: (-215:Assertion failed) !_image.empty() && _image.type() == CV_8UC1 && (_image.isMat() || _image.isUMat()) in function 'cv::HoughCircles'

Any idea why this is happening?

Answer 1

I think I have solved this problem: the first time we use Visual Studio Code, we should have on the left side a button with the wording "Open folder". We have to click on that folder and to select the folder in which we have the image and the .py file. I hope this can be useful to other people.

Python Programmer Bootcamp: Starting to work in Visual Studio

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