https://github.com/jacobpclouse/motion-extraction

With a very simple trick you can extract the motion of a video. Uses python and OpenCV
https://github.com/jacobpclouse/motion-extraction

motion-extraction opencv python3

Last synced: 4 days ago
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With a very simple trick you can extract the motion of a video. Uses python and OpenCV

• Host: GitHub
• URL: https://github.com/jacobpclouse/motion-extraction
• Owner: jacobpclouse
• Created: 2024-02-17T18:41:23.000Z (9 months ago)
• Default Branch: main
• Last Pushed: 2024-02-19T17:38:06.000Z (9 months ago)
• Last Synced: 2024-02-20T00:57:53.825Z (9 months ago)
• Topics: motion-extraction, opencv, python3
• Language: Python
• Homepage:
• Size: 178 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Motion-Extraction 

With a very simple trick you can extract the motion of a video. Uses python3 and OpenCV to compare current frame of the video to a previous frame to see where changes have been made in the frames (and any changes indicate motion).

> Inspired by  this  video by Posy

### NOTE: Recommend to only test on shorter videos (ie: not greater than 5 minutes) -- current program converts in REAL TIME 

- IE: 5 hour video = at least 5 hours to convert

### How to run this program:

- 1) Make sure you have python 3 download, installed and on path

- 2) Use the activateVirEnv.txt to create a virtual environment

- 3) Make sure you `pip install -r requirements.txt` to install all the needed packages

- 4) Move your target MP4 video into the same directory as the `motion_Extraction.py` file

- 5) Run the program with the command `python motion_Extraction.py yourVideo.mp4` - you NEED to provide the video title as an argument

- 6) If you want to see the extraction overlay, type `yes`. If you do not, type `no`

- 7) If you just want the frame compared to the previous one, then type `PREVIOUS`. If you want a larger delay, type `CUSTOM` (you will the be prompted to enter your custom frame delay)

- 8) Your output will be created in a subfolder within the `OUTPUTS` folder, enjoy!

### Ideas:

- [DONE] maybe combine the two while loops?

- [DONE] invert then immediatly overlay?

- [DONE] check pervious frame in one video then x frames back in another video (shows slower movement)

- cut videos larger than like 3 minutes into chunks of 1 minutes, store in folder [check multiprocessing attempt folder]

- then use threading to individually loop through and invert videos

- then you can paste it together at the end

### Resources used:

- Motion Extraction tutorial (attempt...): https://youtu.be/woj4vfMLpao

- Python OpenCV – cv2.flip() method: https://www.geeksforgeeks.org/python-opencv-cv2-flip-method/

- Adding (blending) two images using OpenCV : https://docs.opencv.org/3.4/d5/dc4/tutorial_adding_images.html

- How to split a video in parts using Python?: https://stackoverflow.com/questions/65570944/how-to-split-a-video-in-parts-using-python

- multiprocessing — Process-based parallelism: https://docs.python.org/3/library/multiprocessing.html