Questions tagged [opencv]

Open Source Computer Vision Library (OpenCV) is an open source machine learning library used primarily for computer visions applications. OpenCV contains over 2,500 optimized algorithms (including state of the art computer vision ones).

Filter by
Sorted by
Tagged with
5 votes
2 answers

how to apply similarity algorithm(or comparision) of over one million vectors with other one million vectors?

How can I apply similarity algorithm (or comparison) of over one million vectors with another one million vectors? I am following this pyimage search tutorial but don't know how to scale up the ...
Lalit Vyas's user avatar
2 votes
2 answers

How to Extract Information from the Image(PNG)

I'm trying to extract some particular information from the image(png). I tried to extract the text using the below code ...
Pluviophile's user avatar
  • 3,768
1 vote
3 answers

Is it possible to detect a person using facial recognition on the fly?

I am working on a small app for face detection in Python using face_recognition and opencv libraries. I have trained the data ...
Sociopath's user avatar
  • 1,233
1 vote
2 answers

cv2.error: OpenCV(3.4.3) (-215:Assertion failed) !empty() in function

Would anyone have a tip on how to fix this empty function error in OpenCV? I am attempting to follow the guides on The script will detect a face in an image and draw boxes around ...
bbartling's user avatar
  • 403