cv2.error: OpenCV(4.5.5) error: (-215:Assertion failed) !_img.empty() in function 'cv::imwrite'

#error215Assertionfailedssizeemptyinfunctioncvresize #opencverror #opencv #datascience #artificialintelligence #machinelearning #ml #ai #python #error #pythonerror #cvtcolor #cvtcolorerror #cverror #cv2error #assertionfailed #215assertionerror

#assertionfailed #215assertionfailed

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Hope this helps!!

[DrRiq]

for anyone reading, also make sure that if you are calling cv.imread(x) instead of a pathname (as demonstrated in the video) because, for example, you are running a loop; make sure that you are in the same directory as x, because you are calling it locally. Otherwise it won't find your file

[umangkochar]

cv2.error: OpenCV(4.5.5) error: (-215:Assertion failed) _queryDescriptors.type() == trainDescType in function 'cv::BFMatcher::knnMatchImpl'

I am getting this error, I had updated python and loaded all the libraries again. I am working on Image Geolocalisation project, Pls help me get this fixed

[roselineogundokun]

Hello,

Please how do I solve error OpenCV(4.5.5) error: (-215:Assertion failed) !ssize.empty() in function 'cv::resize'

[dominicsavio]

SRGAN output
gen_image.shape #(1, 512, 512, 3)

Output-

4 cv2.imshow(gen_image)

error: OpenCV(4.5.5) :-1: error: (-5:Bad argument) in function 'imshow'
> Overload resolution failed:
> - imshow() missing required argument 'mat' (pos 2)
> - imshow() missing required argument 'mat' (pos 2)
> - imshow() missing required argument 'mat' (pos 2)

How to fix it

[sandeeptalari]

OpenCV(4.6.0) error: (-215:Assertion failed) !ssize.empty() in function 'resize'
I have this error in Collab can you help me