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ICMCS
2005
IEEE
165views Multimedia» more  ICMCS 2005»
16 years 6 days ago
Ravitas: Realistic Voice Chat Framework for Cooperative Virtual Spaces
In this paper, we propose RAVITAS, a framework for realistic voice chat among multiple users in a virtual space reproducing the cocktail party effect. RAVITAS utilizes context-awa...
Keiichi Yasumoto, Klara Nahrstedt
CCS
2006
ACM
15 years 8 months ago
Dynamic rule-ordering optimization for high-speed firewall filtering
Packet filtering plays a critical role in many of the current high speed network technologies such as firewalls and IPSec devices. The optimization of firewall policies is critica...
Hazem Hamed, Ehab Al-Shaer
IEICET
2008
106views more  IEICET 2008»
15 years 6 months ago
Realization of Low Power High-Speed Channel Filters with Stringent Adjacent Channel Attenuation Specifications for Wireless Comm
Finite impulse response (FIR) filtering is the most computationally intensive operation in the channelizer of a wireless communication receiver. Higher order FIR channel filters a...
Jimson Mathew, R. Mahesh, A. Prasad Vinod, Edmund ...
PCM
2007
Springer
184views Multimedia» more  PCM 2007»
16 years 22 days ago
Wavelet-Based Salient Region Extraction
In this paper, we propose a new technique for extracting salient regions in an image. Identification of salient regions is useful for region/object based image processing. Previous...
Dong-Woei Lin, Shih-Hsuan Yang
142
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ICMCS
2006
IEEE
125views Multimedia» more  ICMCS 2006»
16 years 19 days ago
Online Doubletalk Detector Calibration for Acoustic Echo Cancellation in Videoconferencing Systems
This paper addresses the problem of doubletalk detector calibration for acoustic echo cancellers in hands-free environments such as videoconferencing. A statistical model of a rec...
James D. Gordy, Rafik A. Goubran