[MFMC]:[LearnConstrainXeXc]: Train on four rounds, test on one round. Five rounds are collected using five consecutive frames captured from camera when user click once at a train position.
[MFMC]:[LearnConstrainXeXc]:Combine left and right eye vector as one appearance vector.
[MFMC]:[LearnConstrainXeXc]: Use normalized relative gaze position in newsolution1