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CEC
2009
IEEE
16 years 2 months ago
Gradient estimation in global optimization algorithms
Abstract— The role of gradient estimation in global optimization is investigated. The concept of a regional gradient is introduced as a tool for analyzing and comparing different...
Megan Hazen, Maya R. Gupta
ICPR
2008
IEEE
16 years 1 months ago
Incremental trajectory aggregation in video sequences
This article introduces new similarity measures between trajectories, in order to detect uncommon behaviors. These measures are used to find the most common trajectories in a seq...
Ionel Pop, Mihaela Scuturici, Serge Miguet
CIMCA
2006
IEEE
16 years 1 months ago
Investigating Organisational Structures with Networks of Planning Agents
In this paper, we present a simulation model specifically for investigating formal and informal organisational structures. CAVALIER-NPA (Networks of Planning Agents) is an agent-b...
Anthony Dekker, Lavindra de Silva
ISWC
2006
IEEE
16 years 1 months ago
Using the "HotWire" to Study Interruptions in Wearable Computing Primary Tasks
As users of wearable computers are often involved in real-world tasks of critical nature, the management and handling of interruptions is crucial for efficient interaction and ta...
Mikael Drugge, Hendrik Witt, Peter Parnes, Kå...
ICMCS
2005
IEEE
122views Multimedia» more  ICMCS 2005»
16 years 1 months ago
Evaluating Perceptually Prefiltered Video
Perceptual prefiltering is the process of enhancing relevant portions of an image or of a video, and of simplifying contextual information in order to improve the perceived quali...
Olivier Steiger, Touradj Ebrahimi, Andrea Cavallar...