Two hand Assistive technology 1 Behavioral research 1 Cameras 1 Chemical activation 1 Competitive wheelchair 1 Computer vision 1 Digital storage 1 Estimation 1 Evaluation experiments 1 Experimental system 1 Finger direction recognition 1 Handing over 1 Human indication 1 Integrated electromyography 1 Muscle 1 Muscle activation 1 Palmprint recognition 1 Parasport 1 Posture estimation 1 Propulsion 1 Recognition methods 1 Robot vision 1 Robots 1 Seat pressure 1 Stereo image processing 1 Surface electromyography 1 Tactile sensation 1 Two hand forms 1 Wheelchair propulsion 1