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CVPR
2009
IEEE
15 years 6 months ago
Learning multi-modal densities on Discriminative Temporal Interaction Manifold for group activity recognition
While video-based activity analysis and recognition has received much attention, existing body of work mostly deals with single object/person case. Coordinated multi-object activi...
Ruonan Li, Rama Chellappa, Shaohua Kevin Zhou
PERCOM
2009
ACM
15 years 6 months ago
Distributed Policy Resolution Through Negotiation in Ubiquitous Computing Environments
—Ensuring spontaneous ad hoc interoperation in decentralized ubiquitous computing environments is challenging, because of heterogeneous resources and divergent policies. Centrali...
Venkatraman Ramakrishna, Peter L. Reiher, Leonard ...
ICASSP
2009
IEEE
15 years 6 months ago
RLS-weighted Lasso for adaptive estimation of sparse signals
The batch least-absolute shrinkage and selection operator (Lasso) has well-documented merits for estimating sparse signals of interest emerging in various applications, where obse...
Daniele Angelosante, Georgios B. Giannakis
VR
2009
IEEE
188views Virtual Reality» more  VR 2009»
15 years 6 months ago
Crafting Personalized Facial Avatars Using Editable Portrait and Photograph Example
Computer-generated facial avatars have been increasingly used in a variety of virtual reality applications. Emulating the real-world face sculpting process, we present an interact...
Tanasai Sucontphunt, Zhigang Deng, Ulrich Neumann
NDSS
2009
IEEE
15 years 6 months ago
SybilInfer: Detecting Sybil Nodes using Social Networks
SybilInfer is an algorithm for labelling nodes in a social network as honest users or Sybils controlled by an adversary. At the heart of SybilInfer lies a probabilistic model of h...
George Danezis, Prateek Mittal