Provides cvloop, a way to show opencv video loops. Designed for jupyter notebooks.
Simple example: Show webcam feed.
from cvloop import cvloop
cvloop()More complex example: Show webcam feed side by side with inverted image.
from cvloop import cvloop
cvloop(function=lambda frame: 255 - frame, side_by_side=True)Complex example: Show video file with background extraction (See OpenCV Documentation; Video).
from cvloop import cvloop
import cv2
def mog2(frame):
return mog2.fgbg.apply(frame)
mog2.fgbg = cv2.createBackgroundSubtractorMOG2()
cvloop('768x576.avi', function=mog2, side_by_side=True)More examples: For more examples check out the examples notebook.
Install
You can simply install cvloop using pip (make sure to install matplotlib, numpy, OpenCV and Jupyter):
pip install cvloopOr, if you are using conda and don’t want to worry about requirements, just use conda-forge:
conda config --add channels conda-forge
conda install cvloopRequirements
(Recommended versions, additionally tested versions in parentheses.)
Python 3.6
OpenCV 3.2
Jupyter 4.3.1
matplotlib 2.0.0
numpy 1.12.0
Development
To contribute, just fork the repository and create pull requests.
- To publish, you need a couple of additional tools:
gpg to sign the packages
twine to upload them
shasum to calculate the checksum for conda-forge
hub to create the pull request for conda-forge
1 maintainer
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