... setcontained the frame numbers corresponding to the begin-ning and ending of each mouth opening, the end points of the line maximally spanning the width of the mouth at the onset of opening and the ... warm and moving and were therefore retainedsubsequent to the thermal intensity and motion filters. An example is the forehead, which according to the literature,is the warmest part of the human ... Rehab, Toronto, Canada, 3Department of Electrical and Computer Engineering, University of Toronto, Toronto, Canada and 4Department of Electrical and Computer Engineering, Ryerson University, Toronto,...