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VRCAI
2006
ACM
16 years 20 days ago
Parallel-split shadow maps for large-scale virtual environments
Shadowing effects dramatically enhance the realism of virtual environments by providing useful visual cues. Shadow mapping is an efficient algorithm for real-time shadow renderin...
Fan Zhang, Hanqiu Sun, Leilei Xu, Lee Kit Lun
VR
2000
IEEE
174views Virtual Reality» more  VR 2000»
15 years 11 months ago
Optimization-Based Virtual Surface Contact Manipulation at Force Control Rates
Previous interactive works have used springs, heuristics, and dynamics for surface placement applications. We present an analytical technique for kilohertz rate manipulation of CA...
Donald D. Nelson, Elaine Cohen
APGV
2010
ACM
328views Visualization» more  APGV 2010»
15 years 8 months ago
Can I pass?: using affordances to measure perceived size in virtual environments
Perception of an accurate sense of the scale depicted in computer graphics is important for many applications. How to best characterize the accuracy of space perception in compute...
Michael Geuss, Jeanine Stefanucci, Sarah H. Creem-...
ESWA
2010
109views more  ESWA 2010»
15 years 5 months ago
Visual and tangible interactions with physical and virtual objects using context-aware RFID
Radio Frequency Identification (RFID) has recently received a lot of attention as an augmentation and interface technology with physical and virtual objects in the ubiquitous comp...
Jae Yeol Lee, Dong Woo Seo, Byung Youn Song, Rajit...
VR
2010
IEEE
146views Virtual Reality» more  VR 2010»
15 years 5 months ago
Streaming 3D shape deformations in collaborative virtual environment
Collaborative virtual environment has been limited on static or rigid 3D models, due to the difficulties of real-time streaming of large amounts of data that is required to descri...
Ziying Tang, Guodong Rong, Xiaohu Guo, B. Prabhaka...