Ricky Han

Hi I added preliminary support for touchapi: #305 Please take a look when you have a chance. Thanks in advance.

I added the previously fetched datasets under /challenges folder

https://github.com/techx/hackmit-puzzle-2017-bttp-captcha

* swap the loss function to NRMSE

https://github.com/guillaume-chevalier/seq2seq-signal-prediction/commit/1b1701386cb1e40ecde3b8e7a5e7ae08cc256b3b#commitcomment-22530082

The error function should be mean absolute percentage error: https://en.wikipedia.org/wiki/Mean_absolute_percentage_error

It's the gh-pages branch. Hope this helps.

More information about this method can be found in Section 2.2 from pYIN paper: https://www.eecs.qmul.ac.uk/~simond/pub/2014/MauchDixon-PYIN-ICASSP2014.pdf

Please archive this repo to avoid further confusion! @lukaszbanasiak

Updated version: ```rust fn erode_l2norm(image: &GrayImage, k: f64) -> GrayImage { let mut out = image.clone(); inverse_mut(&mut out); let dist_image = euclidean_squared_distance_transform(&out); for (i, o) in dist_image.iter().zip(out.iter_mut()) { *o =...