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I used the spectrogram just to get the audio in a 2d representation that was insensitive to timeshifts. The image processing part was the `match_template` funct
by doctoboggan 13y ago
I used the spectrogram just to get the audio in a 2d representation that was insensitive to timeshifts. The image processing part was the `match_template` function from skimage.
Although normalized correlation (which is what `match_template` uses) has been applied outside of image processing before. I also tried other image processing techniques like harris corner detection and SURF feature detection. I didn't write them up but you can see the code on github:
https://github.com/jminardi/audio_fingerprinting https://github.com/jminardi/audio_fingerprinting