Sciweavers

5603 search results - page 810 / 1121
» Feature Selection for Clustering
Sort
View
AIRS
2008
Springer
16 years 1 months ago
Combining WordNet and ConceptNet for Automatic Query Expansion: A Learning Approach
We present a novel approach that transforms the weighting task to a typical coarse-grained classification problem, aiming to assign appropriate weights for candidate expansion term...
Ming-Hung Hsu, Ming-Feng Tsai, Hsin-Hsi Chen
AVSS
2007
IEEE
16 years 1 months ago
Classifying and tracking multiple persons for proactive surveillance of mass transport systems
We describe a pedestrian classification and tracking system that is able to track and label multiple people in an outdoor environment such as a railway station. The features sele...
Suyu Kong, Conrad Sanderson, Brian C. Lovell
DASFAA
2007
IEEE
172views Database» more  DASFAA 2007»
16 years 1 months ago
Optimizing Multiple In-Network Aggregate Queries in Wireless Sensor Networks
Abstract. In this paper, we explore the feature of sharing partial results of multiple queries to reduce the total number of messages incurred. Those queries sharing their partial ...
Huei-You Yang, Wen-Chih Peng, Chia-Hao Lo
ICC
2007
IEEE
197views Communications» more  ICC 2007»
16 years 1 months ago
Basis Expansion Model and Doppler Diversity Techniques for Frequency Domain Channel Estimation and Equalization in DS-CDMA Syste
Abstract— In this paper, we propose a frequency domain adaptive estimation of Doppler shifts for multiple Doppler subpaths in direct sequence code division multiple access (DS-CD...
Tianqi Wang, Cheng Li, Hsiao-Hwa Chen
ICMCS
2007
IEEE
132views Multimedia» more  ICMCS 2007»
16 years 1 months ago
A New Multimedia Message Customizing Framework for mobile Devices
In this paper, we present a novel framework to customize multimedia messages for mobile users. The goal is to generate a video message from a series of pictures. The framework inc...
Cunxun Zang, Qingshan Liu, Hanqing Lu, Kongqiao Wa...