1. [1] Bowman D A , Hodges L F . User interface constraints for immersive virtual environment applications[R] . Georgia Institute of Technology , 1995 . [1]Bowman D A, Hodges L F. User interface constraints for immersive virtual environment applications[R]. Georgia Institute of Technology, 1995.
2. [2] Bowman D A , Hodges L F . An evaluation of techniques for grabbing and manipulating remote objects in immersive virtual environments[C] . Proceedings of the 1997 symposium on Interactive 3D graphics , 1997: 35-ff. [2]Bowman D A, Hodges L F. An evaluation of techniques for grabbing and manipulating remote objects in immersive virtual environments[C]. Proceedings of the 1997 symposium on Interactive 3D graphics, 1997: 35-ff.
3. [3] Mine M R . Virtual environment interaction techniques[J] . UNC Chapel Hill CS Dept , 1995 . [3]Mine M R. Virtual environment interaction techniques[J]. UNC Chapel Hill CS Dept, 1995.
4. [4] Bowman D A . Interaction techniques for common tasks in immersive virtual environments[J] . Georgia Institute of Technology , 1999 . [4]Bowman D A. Interaction techniques for common tasks in immersive virtual environments[J]. Georgia Institute of Technology, 1999.
5. Visual capture and understanding of hand pointing actions in a 3-D environment