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Application Dependent Video Segmentation Evaluation - A Case Study for Video Surveillance

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Real-Time Generation of Annotated Video for Surveillance

Touradj Ebrahimi

We present a system that generates annotated video in realtime. Moving objects are first automatically extracted by means of video analysis and then coded using MPEG4. Moreover, an MPEG7 description of object features is generated. This description is us ...

SPIE2005

Video surveillance using JPEG 2000

Touradj Ebrahimi, Frédéric Dufaux

This paper describes a video surveillance system which is composed of three key components, smart cameras, a server, and clients, connected through IP-networks in wired or wireless configurations. The system has been designed so as to protect the privacy o ...

2004

BEHAVIORAL FILTERING OF HUMAN TRAJECTORIES FOR AUTOMATIC-MULTI-TRACK INITIATION

Michel Bierlaire, Jean-Philippe Thiran, Gianluca Antonini

In this paper we describe a new approach for the multitrack initiation problem. We propose an extensive use of the top-view reconstruction of the scene to solve the detection step in tracking pedestrians. We leave a large set of starting hypothetical movin ...

2004

Behavioral dynamics for pedestrians

Michel Bierlaire, Gianluca Antonini, Matthias Weber

The objective of this paper is to identify the behavioral issues arising in the context of pedestrian dynamics, analyze how they have been addressed in the literature and propose some potential research tracks. We particularly focus on an application in th ...

IEEE2003

Spatio-Temporal Shadow Segmentation and Tracking

Touradj Ebrahimi, Elena Salvador

Shadow segmentation is a critical issue for systems aiming at extracting, tracking or recognizing objects in a given scene. Shadows can in fact modify the shape and colour of objects and therefore affect scene analysis and interpretation systems in many ap ...

SPIE2003

Evaluation of video segmentation methods for surveillance applications

Touradj Ebrahimi

Current research on performance evaluation of video segmentation methods is primarily focussed on the development of objective figures of merit. There is no standardised methodology for subjective evaluations of segmentation performance and these are curre ...

2000