First alpha version of BirdsPyView, a Streamlit app to transform perspective of an image to a top-down view by identifying a rectangle on the ground, built to collect data on football matches.
First make sure you have Python and OpenCV installed (instructions are easy to find online).
Then install Streamlit and Streamlit Drawable Canvas:
pip install streamlit
pip install streamlit-drawable-canvas
Finally, clone the repo and inside BirdsPyView run:
streamlit run birdspyview.py
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Upload an image. All the lines from the Penalty Box must be visible, but the whole line is not necessary.
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Draw a line over each of the Penalty Box lines in the order shown below. You don't need to cover the whole line.
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If the converted image is clear, draw lines over each player feet. The output coordinate is the average position of the line.
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If you need to start over, refresh the page.
