Sciweavers

201 search results - page 38 / 41
» Improving Image Retrieval Effectiveness in Query-by-Example ...
Sort
View
CVPR
2009
IEEE
14 years 4 months ago
Robust shadow and illumination estimation using a mixture model
Illuminant estimation from shadows typically relies on accurate segmentation of the shadows and knowledge of exact 3D geometry, while shadow estimation is difficult in the presen...
Alexandros Panagopoulos, Dimitris Samaras, Nikos P...
ICRA
2006
IEEE
119views Robotics» more  ICRA 2006»
14 years 3 months ago
Outdoor SLAM using Visual Appearance and Laser Ranging
— This paper describes a 3D SLAM system using information from an actuated laser scanner and camera installed on a mobile robot.The laser samples the local geometry of the enviro...
Paul M. Newman, David M. Cole, Kin Leong Ho
CIKM
2008
Springer
13 years 11 months ago
Real-time new event detection for video streams
Online detection of video clips that present previously unseen events in a video stream is still an open challenge to date. For this online new event detection (ONED) task, existi...
Gang Luo, Rong Yan, Philip S. Yu
ICDE
2007
IEEE
137views Database» more  ICDE 2007»
14 years 11 months ago
SAO: A Stream Index for Answering Linear Optimization Queries
Linear optimization queries retrieve the top-K tuples in a sliding window of a data stream that maximize/minimize the linearly weighted sums of certain attribute values. To effici...
Gang Luo, Kun-Lung Wu, Philip S. Yu
ICASSP
2010
IEEE
13 years 10 months ago
Automatic matched filter recovery via the audio camera
The sound reaching the acoustic sensor in a realistic environment contains not only the part arriving directly from the sound source but also a number of environmental re ections....
Adam O'Donovan, Ramani Duraiswami, Dmitry N. Zotki...