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ICCSA
2005
Springer
15 years 11 months ago
Hardware Accelerator for Vector Quantization by Using Pruned Look-Up Table
Vector quantization (VQ) is an elementary technique for image compression. However, searching for the nearest codeword in a codebook is time-consuming. The existing schemes focus o...
Pi-Chung Wang, Chun-Liang Lee, Hung-Yi Chang, Tung...
PCM
2004
Springer
106views Multimedia» more  PCM 2004»
15 years 11 months ago
Performance Improvement of Vector Quantization by Using Threshold
Abstract. Vector quantization (VQ) is an elementary technique for image compression. However, the complexity of searching the nearest codeword in a codebook is time-consuming. In t...
Hung-Yi Chang, Pi-Chung Wang, Rong-Chang Chen, Shu...
ACSAC
2003
IEEE
15 years 11 months ago
An IP Traceback Technique against Denial-of-Service Attacks
Reflector attack [9] belongs to one of the most serious types of Denial-of-Service (DoS) attacks, which can hardly be traced by contemporary traceback techniques, since the marked...
Zhaole Chen, Moon-Chuen Lee
IWCMC
2010
ACM
15 years 11 months ago
Modulation-adaptive cooperation in Rayleigh fading channels with imperfect CSI
Adaptive modulation can improve the throughput of cooperative communications, which has been shown in previous research. So far the adaptive modulation is applied with respect to ...
Yuanyuan Zhang, Yi Ma, Rahim Tafazolli
ICC
2007
IEEE
128views Communications» more  ICC 2007»
15 years 10 months ago
A Dynamic Service Level Negotiation Mechanism for QoS Provisioning in NGEO Satellite Networks
Satellite communication systems exhibit important and unique features that qualify them to be an integral part of a global ubiquitous information system. Given the universality of ...
Tarik Taleb, Kazuo Hashimoto, Nei Kato, Yoshiaki N...