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287
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GIS
2004
ACM
16 years 8 months ago
A novel improvement to the R*-tree spatial index using gain/loss metrics
The R*-tree is a state-of-the-art spatial index structure. It has already found its way into commercial systems. The most important improvement of the R*-tree over the original R-...
Donghui Zhang, Tian Xia
ISCAS
2007
IEEE
130views Hardware» more  ISCAS 2007»
16 years 1 months ago
Improving Video Coding at Scene Cuts using Attention based Adaptive Bit Allocation
— Existing video coding methods can cause visual quality and buffer occupancy to fluctuate significantly at scene cuts. To address this problem, we have developed a novel visual ...
Zhibo Chen, Guoping Qiu, Yang Lu, Lihua Zhu, Quqin...
211
Voted
CEC
2009
IEEE
15 years 11 months ago
Towards connectivity improvement in VANETs using bypass links
VANETs are ad hoc networks in which devices are vehicles moving at high speeds. This kind of network is getting more and more importance since it has many practical and important a...
Bernabé Dorronsoro Díaz, Patricia Ru...
CONEXT
2008
ACM
15 years 8 months ago
Opportunistic use of client repeaters to improve performance of WLANs
Currently deployed IEEE 802.11 WLANs (Wi-Fi networks) share access point (AP) bandwidth on a per-packet basis. However, the various stations communicating with the AP often have d...
Paramvir Bahl, Ranveer Chandra, Patrick P. C. Lee,...
157
Voted
FCCM
2003
IEEE
168views VLSI» more  FCCM 2003»
16 years 8 days ago
A Second Generation Embedded Reconfigurable Input Device for Kinetically Challenged Persons
A second generation of an embedded input device for kinetically challenged persons is presented. The new system can detect O(n2 ) free motions in space with O(n) hardware, and has...
Kyprianos Papademetriou, Apostolos Dollas, Stamati...