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WACV
2005
IEEE
15 years 10 months ago
Image Segmentation by Unsupervised Sparse Clustering
In this paper, we present a novel solution of image segmentation based on positiveness by regarding the segmentation as one of the graph-theoretic clustering problems. On the cont...
Byoung-Ki Jeon, Yun-Beom Jung, Ki-Sang Hong
MM
2005
ACM
188views Multimedia» more  MM 2005»
15 years 10 months ago
Detecting group activities using rigidity of formation
Most work in human activity recognition is limited to relatively simple behaviors like sitting down, standing up or other dramatic posture changes. Very little has been achieved i...
Saad M. Khan, Mubarak Shah
MSR
2005
ACM
15 years 10 months ago
Mining version histories to verify the learning process of Legitimate Peripheral Participants
Since code revisions reflect the extent of human involvement in the software development process, revision histories reveal the interactions and interfaces between developers and...
Shih-Kun Huang, Kang-min Liu
SAC
2005
ACM
15 years 10 months ago
An information theoretic histogram for single dimensional selectivity estimation
: We study the problem of one dimensional selectivity estimation in relational databases. We introduce a new type of histogram based on information theory. We compare our histogram...
Chris Giannella, Bassem Sayrafi
SAC
2005
ACM
15 years 10 months ago
Indexing continuously changing data with mean-variance tree
: Traditional spatial indexes like R-tree usually assume the database is not updated frequently. In applications like location-based services and sensor networks, this assumption i...
Yuni Xia, Sunil Prabhakar, Shan Lei, Reynold Cheng...