sustaining_gazes/matlab_runners/Head Pose Experiments/chehra_err_biwi.m

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2016-04-28 19:40:36 +00:00
gtDir = [database_root biwi_dir];
seqNames = {'01','02','03','04','05','06','07','08','09', ...
'10', '11','12','13','14','15','16','17','18','19', ...
'20', '21','22','23','24'};
rotMeanErr = zeros(numel(seqNames),3);
rotRMS = zeros(numel(seqNames),3);
rot = cell(1,numel(seqNames));
rotg = cell(1,numel(seqNames));
chehra_res = pose_results;
tic;
for i=1:numel(seqNames)
posesGround = load ([gtDir '/' seqNames{i} '/groundTruthPose.txt']);
rotg{i} = posesGround(:,[5 6 7]);
rot{i} = chehra_res(i).pose * pi / 180;
rot{i}(:,2) = -rot{i}(:,2);
% Correct the first frame so it corresponds to (0,0,0), as slightly
% different pose might be assumed frontal and this corrects for
% that
% Work out the correction matrix for ground truth
rot_corr_gt = Euler2Rot(rotg{i}(1,:));
for r_e = 1:size(rotg{i},1)
rot_curr_gt = Euler2Rot(rotg{i}(r_e,:));
rot_new_gt = rot_corr_gt' * rot_curr_gt;
rotg{i}(r_e,:) = Rot2Euler(rot_new_gt);
end
% Work out the correction matrix for estimates
rot_corr_est = Euler2Rot(rot{i}(1,:));
for r_e = 1:size(rot{i},1)
rot_curr_est = Euler2Rot(rot{i}(r_e,:));
rot_new_est = rot_corr_est' * rot_curr_est;
rot{i}(r_e,:) = Rot2Euler(rot_new_est);
end
rotg{i} = rotg{i} * 180 / pi;
rot{i} = rot{i} * 180 / pi;
rotMeanErr(i,:) = mean(abs((rot{i}(:,:)-rotg{i}(:,:))));
rotRMS(i,:) = sqrt(mean(((rot{i}(:,:)-rotg{i}(:,:))).^2));
end
%%
meanErrors = rotMeanErr;
allRot = cell2mat(rot');
allRotg = cell2mat(rotg');
meanError = mean(abs((allRot(:,:)-allRotg(:,:))));
all_errors = abs(allRot-allRotg);
rmsError = sqrt(mean(((allRot(:,:)-allRotg(:,:))).^2));
errorVariance = std(abs((allRot(:,:)-allRotg(:,:))));
all_rot_preds = allRot;
all_rot_gts = allRotg;