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ALGORITHMICA
2000
161views more  ALGORITHMICA 2000»
14 years 10 months ago
Binary Searching with Nonuniform Costs and Its Application to Text Retrieval
We study the problem of minimizing the expected cost of binary searching for data where the access cost is not fixed and depends on the last accessed element, such as data stored i...
Gonzalo Navarro, Ricardo A. Baeza-Yates, Eduardo F...
GLOBECOM
2010
IEEE
14 years 8 months ago
Energy-Efficient Duty Cycle Assignment for Receiver-Based Convergecast in Wireless Sensor Networks
Duty cycling is often used to reduce the energy consumption caused by idle listening in Wireless Sensor Networks (WSNs). Most studies on WSN protocols define a common duty cycle va...
Yuqun Zhang, Chen-Hsiang Feng, Ilker Demirkol, Wen...
GLOBECOM
2010
IEEE
14 years 7 months ago
On Comparing the Performance of Dynamic Multi-Network Optimizations
With a large variety of wireless access technologies available, multi-homed devices may strongly improve the performance and reliability of communication when using multiple networ...
Geert Jan Hoekstra, Robert D. van der Mei, J. W. B...
CVPR
2009
IEEE
16 years 5 months ago
Nonparametric Discriminant HMM and Application to Facial Expression Recognition
This paper presents a nonparametric discriminant HMM and applies it to facial expression recognition. In the proposed HMM, we introduce an effective nonparametric output probabi...
Lifeng Shang (The University of Hong Kong), Kwok-P...
ICCV
2009
IEEE
16 years 3 months ago
Deformable Model Fitting with a Mixture of Local Experts
Local experts have been used to great effect for fitting deformable models to images. Typically, the best location in an image for the deformable model’s landmarks are found t...
Jason M. Saragih, Simon Lucey, Jeffrey F. Cohn