Mercurial > hg > camir-aes2014
annotate core/magnatagatune/MTTRandomFeature.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 % -- |
| wolffd@0 | 2 % This class loads and hanles the aufdio features included with the MTT |
| wolffd@0 | 3 % Library |
| wolffd@0 | 4 % --- |
| wolffd@0 | 5 classdef MTTRandomFeature < MTTAudioFeature & handle |
| wolffd@0 | 6 |
| wolffd@0 | 7 properties(Constant = true) |
| wolffd@0 | 8 |
| wolffd@0 | 9 my_revision = str2double(substr('$Rev: 167 $', 5, -1)); |
| wolffd@0 | 10 end |
| wolffd@0 | 11 |
| wolffd@0 | 12 properties |
| wolffd@0 | 13 |
| wolffd@0 | 14 % --- |
| wolffd@0 | 15 % Set default parameters |
| wolffd@0 | 16 % --- |
| wolffd@0 | 17 my_params = struct(... |
| wolffd@0 | 18 'nrandoms', 100 ... |
| wolffd@0 | 19 ); |
| wolffd@0 | 20 end |
| wolffd@0 | 21 % --- |
| wolffd@0 | 22 % member functions |
| wolffd@0 | 23 % --- |
| wolffd@0 | 24 methods |
| wolffd@0 | 25 |
| wolffd@0 | 26 % --- |
| wolffd@0 | 27 % constructor: pointer to feature in database |
| wolffd@0 | 28 % --- |
| wolffd@0 | 29 function feature = MTTRandomFeature(varargin) |
| wolffd@0 | 30 |
| wolffd@0 | 31 feature = feature@MTTAudioFeature(varargin{:}); |
| wolffd@0 | 32 end |
| wolffd@0 | 33 |
| wolffd@0 | 34 % --- |
| wolffd@0 | 35 % load feature data from xml file |
| wolffd@0 | 36 % --- |
| wolffd@0 | 37 function data = extract(feature, clip) |
| wolffd@0 | 38 % load feature data by parsing xml |
| wolffd@0 | 39 |
| wolffd@0 | 40 global globalvars; |
| wolffd@0 | 41 |
| wolffd@0 | 42 % fprintf('parsing features for clip %d \n',clip.id()); |
| wolffd@0 | 43 |
| wolffd@0 | 44 % parse feature |
| wolffd@0 | 45 data.random = rand(feature.my_params.nrandoms, 1); |
| wolffd@0 | 46 |
| wolffd@0 | 47 % save info data |
| wolffd@0 | 48 data.info.type = 'MTTRandomFeature'; |
| wolffd@0 | 49 data.info.owner_id = clip.id; |
| wolffd@0 | 50 data.info.creatorrev = feature.my_revision; |
| wolffd@0 | 51 |
| wolffd@0 | 52 % save param data |
| wolffd@0 | 53 data.info.params = feature.my_params; |
| wolffd@0 | 54 |
| wolffd@0 | 55 % prepare field for final features |
| wolffd@0 | 56 data.final.vector = data.random; |
| wolffd@0 | 57 data.final.dim = numel(data.final.vector); |
| wolffd@0 | 58 |
| wolffd@0 | 59 info = {'random'}; |
| wolffd@0 | 60 info(2:data.final.dim) = num2cell(2:data.final.dim); |
| wolffd@0 | 61 data.final.vector_info.labels = info; |
| wolffd@0 | 62 end |
| wolffd@0 | 63 |
| wolffd@0 | 64 function visualise(feature) |
| wolffd@0 | 65 % --- |
| wolffd@0 | 66 % plots the different data types collected in this feature |
| wolffd@0 | 67 % --- |
| wolffd@0 | 68 |
| wolffd@0 | 69 end |
| wolffd@0 | 70 end |
| wolffd@0 | 71 end |