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ICDM
2002
IEEE
158views Data Mining» more  ICDM 2002»
15 years 2 months ago
Adaptive dimension reduction for clustering high dimensional data
It is well-known that for high dimensional data clustering, standard algorithms such as EM and the K-means are often trapped in local minimum. Many initialization methods were pro...
Chris H. Q. Ding, Xiaofeng He, Hongyuan Zha, Horst...
MMMACNS
2001
Springer
15 years 2 months ago
Dynamic Group Key Management Protocol
If multicast communication appears as the most efficient way to send data to a group of participants, it presents also more vulnerabilities to attacks and requires services such as...
Ghassan Chaddoud, Isabelle Chrisment, André...
ROBOCUP
1999
Springer
93views Robotics» more  ROBOCUP 1999»
15 years 2 months ago
Tracking and Identifying in Real Time the Robots of a F-180 Team
- This paper describes the method employed to track and identify each robot during a Robocup match. Also, the playing ball is tracked with almost no extra processing effort. To tra...
Paulo Costa, Paulo Marques, António Moreira...
EUROCRYPT
2006
Springer
15 years 1 months ago
Perfect Non-interactive Zero Knowledge for NP
Non-interactive zero-knowledge (NIZK) proof systems are fundamental cryptographic primitives used in many constructions, including CCA2-secure cryptosystems, digital signatures, an...
Jens Groth, Rafail Ostrovsky, Amit Sahai
CAIP
1995
Springer
189views Image Analysis» more  CAIP 1995»
15 years 1 months ago
Spatial and Feature Space Clustering: Applications in Image Analysis
We propose a novel approach to image segmentation, called feature and spatial domain clustering. The method is devised to group pixel data by taking into account simultaneously bo...
Jiri Matas, Josef Kittler