Mercurial > hg > camir-aes2014
diff core/magnatagatune/tests_evals/rbm_subspace/conv_subspace_delta.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/core/magnatagatune/tests_evals/rbm_subspace/conv_subspace_delta.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,25 @@ +function out = conv_subspace_delta(a, b, w, norm) +% out = conv_subspace_delta(a, b, w, norm) +% compute the distance vector from 2 vectors a,b using convolution euclidean % +% w = convolution window +% +% DW adapted from sontran2013 + +% window for convolution + +s_len = numel(a); +if w == 0 + w = s_len; +end +cv_vec = ones(w,1); + +out = sqrt(conv(cv_vec,(a - b).^2)); +% out = out(:,w:end-w); +if norm + out = out./(conv(cv_vec,ones(s_len,1))); +end + +% how to get to 1 dimension? +% out = sum(out); + +