diff testdata/scripts/matlab/batchProcessingEvaluate.m @ 231:d9b688700819 norm eval-norm-todate

Merge from default branch

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testdata/scripts/matlab/batchProcessingEvaluate.m	Wed Jul 16 17:46:15 2014 +0100
@@ -0,0 +1,33 @@
+function  [Pre,Rec,F]  = batchProcessingEvaluate(folder)
+
+% Evaluate transcription output, using onset-only note-based metrics
+% e.g. [Pre,Rec,F]  = batchProcessingEvaluate('TRIOS-mirex2012-matlab');
+
+
+fileList = dir(folder);
+fileCount = 0;
+
+for i=3:length(fileList) 
+    
+    if(isdir([folder '/' fileList(i).name])) 
+        
+        fileCount = fileCount + 1;
+
+        
+        % Load ground truth
+        [pianoRollGT,nmatGT] = convertMIDIToPianoRoll([fileList(i).name '.mid'],10,1.0);
+        
+        
+        % Load transcripton nmat
+        nmat = load([folder '/' fileList(i).name '/' 'mix.lab']);
+        
+        
+        % Convert 3rd nmat column to MIDI scale        
+        nmat(:,3) = round(12.*log2(nmat(:,3)./27.5) + 1);
+        
+        
+        % Compute onset-based note-level accuracy
+        [Pre(fileCount),Rec(fileCount),F(fileCount)] = computeNoteLevelAccuracy(nmat,nmatGT);
+        
+    end; 
+end;
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