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SIGMOD
2010
ACM
145views Database» more  SIGMOD 2010»
13 years 6 months ago
How to ConQueR why-not questions
One useful feature that is missing from today’s database systems is an explain capability that enables users to seek clarifications on unexpected query results. There are two t...
Quoc Trung Tran, Chee-Yong Chan

Publication
715views
15 years 7 months ago
A Peer-to-Peer Spatial Cloaking Algorithm for Anonymous Location-based Services
This paper tackles a major privacy threat in current location-based services where users have to report their exact locations to the database server in order to obtain their desire...
Chi-Yin Chow, Mohamed F. Mokbel, Xuan Liu
CVPR
2007
IEEE
14 years 10 months ago
Sensor noise modeling using the Skellam distribution: Application to the color edge detection
In this paper, we introduce the Skellam distribution as a sensor noise model for CCD or CMOS cameras. This is derived from the Poisson distribution of photons that determine the s...
Youngbae Hwang, Jun-Sik Kim, In-So Kweon
ECCV
2008
Springer
14 years 10 months ago
Priors for Large Photo Collections and What They Reveal about Cameras
A large photo collection downloaded from the internet spans a wide range of scenes, cameras, and photographers. In this paper we introduce several novel priors for statistics of su...
Sujit Kuthirummal, Aseem Agarwala, Dan B. Goldman,...
ICIP
2005
IEEE
14 years 9 months ago
Range-enhanced active foreground extraction
We describe a new technique that uses active scene illumination to perform foreground-background segmentation and recover partial HDR information. We explore the fact that relativ...
Asla Medeiros Sá, Marcelo Bernardes Vieira,...