Find twitch subscribers on video

Twitch gives a total number of subscribers per video but does not provide the entire graph of subscribers in-video.

This tool will analyze a fideo with a template and create a plot with subscribers during video time

Installation

This softare requires python3 with:

• OpenCv (install with python3 -m pip install opencv-python or separately)
• Other necessary libs with python3 -m pip install numpy matplotlib pandas

(With windows use the same command in Command Prompt using python3.exe instead of python3, or full python3.exe path)

Usage

Download a video, take a frame and crop out a template for the subscribe message.

Call find_subscribers script with given args:

python3 find_subscribers.py 
          --source="path_to_video"
          --template="path_to_template"
          --th=0.75

if the area where template comes out is the same, use an additional --box="xmin|xmax|ymin|ymax" parameter.

You can also lower the threshold if results do not match.

Description

The script will open the video and check one each 27 frames (configurable parameter) if the template is inside the image with given threshold.

The check is performed with cv2.matchTemplate method (acting like an object detector) and filtering only results above threshold.

IF at least one match is found, then the template was detected on image.

Test

The repo contains 2 images with and without the subscription banner and the banner template as example.

Run following code to check the results:

python3 test_match.py