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SIGGRAPH
2009
ACM
14 years 4 months ago
RACBVHs: random-accessible compressed bounding volume hierarchies
We present a novel bounding volume hierarchy (BVH) compression and decompression method transparently supporting random access on the compressed BVHs. To support random access on ...
Tae-Joon Kim, Bochang Moon, Duksu Kim, Sung-Eui Yo...
ICIP
2007
IEEE
14 years 11 months ago
Transform Coder Classification for Digital Image Forensics
The area of non-intrusive forensic analysis has found many applications in the area of digital imaging. One unexplored area is the identification of source coding in digital image...
Steven Tjoa, Wan-Yi Sabrina Lin, K. J. Ray Liu
ICC
2008
IEEE
116views Communications» more  ICC 2008»
14 years 4 months ago
Haptic Data Transmission Based on the Prediction and Compression
—In this paper, we present a floating-point compression method using position prediction for haptic data transmission. The main objective of our work is to reduce the size of ban...
Yonghee You, Mee Young Sung
VTC
2008
IEEE
102views Communications» more  VTC 2008»
14 years 4 months ago
A New Two-Step Precoding Based on Rotation Transformations in Closed-Loop MIMO Systems
— In this paper, we propose a two-step precoding approach for multiple-input multiple-output (MIMO) systems by dividing the precoding process into two steps: spatial multiplexing...
Heunchul Lee, Seokhwan Park, Inkyu Lee
ICC
2007
IEEE
14 years 4 months ago
Presteering Broadband Antenna Arrays Without Using Steering Delays
Abstract— Presteering of broadband antenna arrays is required to compensate the effect of misalignment between the look direction and the array geometry and is achieved by insert...
Lal C. Godara, Mohammad Reza Sayyah Jahromi