Mercurial > hg > camir-aes2014
annotate core/magnatagatune/tests_evals/rbm_subspace/conv_subspace_delta.m @ 0:e9a9cd732c1e tip
first hg version after svn
| author | wolffd |
|---|---|
| date | Tue, 10 Feb 2015 15:05:51 +0000 |
| parents | |
| children |
| rev | line source |
|---|---|
| wolffd@0 | 1 function out = conv_subspace_delta(a, b, w, norm) |
| wolffd@0 | 2 % out = conv_subspace_delta(a, b, w, norm) |
| wolffd@0 | 3 % compute the distance vector from 2 vectors a,b using convolution euclidean % |
| wolffd@0 | 4 % w = convolution window |
| wolffd@0 | 5 % |
| wolffd@0 | 6 % DW adapted from sontran2013 |
| wolffd@0 | 7 |
| wolffd@0 | 8 % window for convolution |
| wolffd@0 | 9 |
| wolffd@0 | 10 s_len = numel(a); |
| wolffd@0 | 11 if w == 0 |
| wolffd@0 | 12 w = s_len; |
| wolffd@0 | 13 end |
| wolffd@0 | 14 cv_vec = ones(w,1); |
| wolffd@0 | 15 |
| wolffd@0 | 16 out = sqrt(conv(cv_vec,(a - b).^2)); |
| wolffd@0 | 17 % out = out(:,w:end-w); |
| wolffd@0 | 18 if norm |
| wolffd@0 | 19 out = out./(conv(cv_vec,ones(s_len,1))); |
| wolffd@0 | 20 end |
| wolffd@0 | 21 |
| wolffd@0 | 22 % how to get to 1 dimension? |
| wolffd@0 | 23 % out = sum(out); |
| wolffd@0 | 24 |
| wolffd@0 | 25 |