Top "Cv2" questions

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"DLL load failed" when import cv2 (opencv)

In [windows server 2012 R2 x64, python 3.7 64x] pip install opencv-contrib-python installed without any error . and when I try to import …

python opencv image-processing cv2
How to convert numpy matrix to cv2 image [python]

I have a numpy 2d matrix which represents a colored image. This matrix has some negative and floating point numbers …

python opencv numpy cv2
Unable to import cv2 module (Python 3.6)

total nexwbie here. I'm unsuccessfully trying to install the cv2 module for python but it doesn't work. I'm working with …

python opencv python-3.6 cv2
OpenCV 4.0.0 SystemError: <class 'cv2.CascadeClassifier'> returned a result with an error set

Hello I am trying to create a facial recognition program but I have a peculiar error: here is my code: …

python opencv cv2 facial-identification
Resizing an input image in a Keras Lambda layer

I would like my keras model to resize the input image using cv2 or similar. I have seen the use …

python keras keras-layer cv2
python cv2 video resolution

I try to change video resolution (with mp4!) (to 800x600) in this way : but its doesn't work, when I use …

python video resolution cv2
How to save a binary image(with dtype=bool) using cv2?

I am using opencv in python and want to save a binary image(dtype=bool). If I simply use cv2.…

python opencv cv2
How to draw Chinese text on the image using `cv2.putText`correctly? (Python+OpenCV)

I use python cv2(window10, python2.7) to write text in image, when the text is English it works, but when …

python opencv cv2
Reading image file (file storage object) using CV2

I am sending an image by curl to flask server, i am using this curl command curl -F "file=@image.…

image curl flask cv2