Special Edition. Image Processing in the Multimedia Age. The Animation of Facial Expressions for 3D Human Face Images through New Time-Varying Homotopy Based on Digital Control Theory.
創一 梶原 · The Journal of The Institute of Image Information and Television Engineers · 1995
Time-varying homotopy was developed by defining time in topological homotopy.It achieved real time natural animation of 3D human faces in a virtual teleconferencing system which is part of a virtual teleconferencing system.At that stage, however, time-varying homotopy had not yet been defined physically.To fill this gap, I invented physical time-varying homotopy, which is based on digital control theory.It becomes possible to animate CG (Computer Graphics) objects more naturally in real time.Moreover, I suggest that digital control theory and digital signal processing are useful for applications in virtual teleconferencing systems and general CG animation.1.