1. 1) ITU-R Recommendation BT.1127:"Relative Quality Requirements of Television Broadcast Systems"(1994)
2. 2) ITU-R Recommendation BT.710-4:"Subjective Assessment Methods for Image Quality in High-definition Television"(1998)
3. 3) ITU-R Recommendation BT.1128-2:"Subjective Assessment of Conventional Television Systems"(1997)
4. 4) T.Hatada,H.Sakata and H.Kusaka:"Psychophysical Analysis of the Sensation of Reality Induced by a Visual Wide-field Display",SMPTE J.,89,pp.560-569(1980)
5. 5) J.D.Prothero and H.D.Hoffman:"Widening the Field-of-view Increases the Sense of Presence within Immersive Virtual Environments",Human Interface Technology Laboratory Tech.Rep.R-95-4,Seattle:University of Washington(1995)