58 lines
1.5 KiB
Mathematica
58 lines
1.5 KiB
Mathematica
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exe = '"../../x64/Release/FeatureExtraction.exe"';
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output = './output_features_vid/';
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if(~exist(output, 'file'))
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mkdir(output)
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end
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in_files = dir('../../videos/2015-10-15-15-14.avi');
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% some parameters
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verbose = true;
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command = exe;
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command = cat(2, command, ' -verbose -no2Dfp -no3Dfp -noMparams -noPose -noAUs ');
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% add all videos to single argument list (so as not to load the model anew
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% for every video)
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for i=1:numel(in_files)
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inputFile = ['../../videos/', in_files(i).name];
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[~, name, ~] = fileparts(inputFile);
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% where to output tracking results
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outputFile_gaze = [output name '_gaze.txt'];
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if(~exist([output name], 'file'))
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mkdir([output name]);
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end
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command = cat(2, command, ['-fx 700 -fy 700 -f "' inputFile '" -of "' outputFile_gaze '"']);
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end
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dos(command);
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%% Demonstrating reading the output files
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filename = [output name];
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% Read gaze (x,y,z) for one eye and (x,y,z) for another
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gaze = dlmread([filename, '_gaze.txt'], ',', 1, 0);
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% This indicates which frames were succesfully tracked
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valid_frames = gaze(:,4);
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% only picking left, right and up down views for visualisation
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gaze = gaze(:,[5,6,7,8,9,10]);
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gaze = (gaze(:,[1,2,3]) + gaze(:,[4,5,6]))/2;
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gaze(:,1) = smooth(gaze(:,1));
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gaze(:,2) = smooth(gaze(:,2));
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gaze(:,3) = smooth(gaze(:,3));
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plot(gaze(:,1), 'DisplayName', 'Left - right');
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hold on;
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plot(gaze(:,2), 'DisplayName', 'Up - down');
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xlabel('Frame') % x-axis label
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ylabel('Gaze vector size') % y-axis label
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legend('show');
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hold off;
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