
mat_filename = '/vol/vssp/ucdatasets/s3a/vml/2015_02_17_XEF/20150217_111609_00.mat';

% headPose = [time_stamp person_ID good_head x y z  Qw Qx Qy Qz]

[file_pathstr,filename,file_ext] = fileparts(mat_filename);

% Load annotation:
load([file_pathstr, filesep, filename, '_annotation', file_ext]);

% Load head poses matrix:
load([file_pathstr, filesep, filename, '_headPoses', file_ext]);


for t=1:size(headPoses,1)
    %pid = 
    annotation.person
end