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Ruben van de Ven
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Viola-Jones' Haarcascade visualisation
This is an unusual visualisation of haarcascades. Often, only haarcascade features are drawn. This visualisation however, adds up all matching features in an image. Resulting in a sort of lense which shows the contrasts in the image that the algorithm picks up on most.
- The visual_haarcascades binary (main.rs) uses V4L to capture webcam input and renders to a canvas.
- test.rs binary is an ugly program that looks hard-coded for
test.png. It renders the output to
- The library is made for use with eg. Python through cffi. See eg. this repo
cargo build --lib --release
It could be that the code in commit
f9b066a166fb0d2f042c6f745fa0ffbcce100666 is actually faster than the current master. While this is certainly not the case in a
debug build (HEAD is way faster!), a
release build seems to bring it up to higher speeds... confusing :-)