sustaining_gazes/matlab_runners/Action Unit Experiments/helpers/extract_Bosphorus_labels.m

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2016-06-14 23:55:16 +02:00
function [ labels, valid_ids, filenames ] = extract_Bosphorus_labels( Bosphorus_dir, recs, aus )
%EXTRACT_SEMAINE_LABELS Summary of this function goes here
% Detailed explanation goes here
% Ignoring rare ones or ones that don't overlap with other datasets
aus_Bosphorus = [1, 2, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 20, 23, 25, 26, 43];
aus(aus == 45) = 43;
%%
fid = fopen([Bosphorus_dir, './facscodes/facscodes.lst']);
% Skipping the header
fgetl(fid);
fgetl(fid);
% Starting to read
data = fgetl(fid);
all_aus = [];
valid = [];
id = 1;
filenames = {};
while ischar(data)
d = strsplit(data, '->');
data = fgetl(fid);
filename = strtrim(d{1});
% Skip extreme poses
if(~isempty(findstr(filename, 'CR')) || ~isempty(findstr(filename, 'YR') > 0) || ~isempty(findstr(filename, 'PR_U'))|| ~isempty(findstr(filename, 'PR_D')))
continue;
end
% ignore labels from non requested users
if(isempty(strmatch(filename(1:5), recs)))
continue;
end
filenames = cat(1, filenames, filename);
aus_str = d{2}(3:end);
% decode the AU data
aus_c = strsplit(aus_str, '+');
curr_img_au = zeros(1, 80);
for i=1:numel(aus_c)
if(aus_c{i} == '0')
continue
end
intensity = -1;
intensity_str = aus_c{i}(end);
if(intensity_str == 'A')
intensity = 1;
elseif(intensity_str == 'B')
intensity = 2;
elseif(intensity_str == 'C')
intensity = 3;
elseif(intensity_str == 'D')
intensity = 4;
elseif(intensity_str == 'E')
intensity = 5;
end
if(~isempty(str2num(aus_c{i}(1))))
if(intensity ~= -1)
num = str2num(aus_c{i}(1:end-1));
else
num = str2num(aus_c{i}(1:end));
intensity = 3; % if no intensity given just assume 3
end
else
if(intensity ~= -1)
num = str2num(aus_c{i}(2:end-1));
else
num = str2num(aus_c{i}(2:end));
intensity = 3; % if no intensity given just assume 3
end
end
curr_img_au(1, num) = intensity;
end
all_aus = cat(1, all_aus, curr_img_au);
valid = cat(1, valid, [true]);
id = id + 1;
end
%aus_bosph = dlmread(, '->', 3, 0);
fclose(fid);
valid_ids = logical(valid);
labels = all_aus(:, aus);
end