Sciweavers

AVSS
2005
IEEE
14 years 5 months ago
Hypovigilence analysis: open or closed eye or mouth? Blinking or yawning frequency?
This paper proposes a frequency method to estimate the state open or closed of eye and mouth and to detect associated motion events such as blinking and yawning. The context of th...
Alexandre Benoit, Alice Caplier
AVSS
2005
IEEE
14 years 5 months ago
An effective real-time mosaicing algorithm apt to detect motion through background subtraction using a PTZ camera
Nowadays, many visual surveillance systems exploit PTZ camera to increase the field of view of a surveyed area. The background subtraction technique is widespread to detect movin...
Pietro Azzari, Luigi di Stefano, Alessandro Bevila...
AVSS
2005
IEEE
14 years 5 months ago
Motion compensated refinement for low complexity pixel based distributed video coding
Distributed video coding (DVC) is a new coding paradigm that enables to exploit video statistics, partially or totally at the decoder. A particular case of DVC, Wyner-Ziv coding, ...
João Ascenso, Catarina Brites, Fernando Per...
AVSS
2005
IEEE
14 years 5 months ago
Surveillance video for mobile devices
In this paper, we present a video encoding scheme that uses object-based adaptation to deliver surveillance video to mobile devices. The method relies on a set of complementary vi...
Olivier Steiger, Touradj Ebrahimi, Andrea Cavallar...
AVSS
2005
IEEE
14 years 5 months ago
VidMAP: video monitoring of activity with Prolog
This paper describes the architecture of a visual surveillance system that combines real time computer vision algorithms with logic programming to represent and recognize activiti...
Vinay D. Shet, David Harwood, Larry S. Davis
AVSS
2005
IEEE
14 years 5 months ago
Collective calibration of active camera groups
Until recently, traditional approaches to the task of camera calibration have relied on the use of accurate grid patterns, or strategically placed targets. Such approaches can pro...
Paul Chippendale, Francesco Tobia
AVSS
2005
IEEE
14 years 5 months ago
Object tracking using color interest points
This paper presents a new approach for tracking objects in complex situations such as people in a crowd or players on a soccer field. Each object in the image is represented by s...
Pierre Fatrus Gabriel, Jean-Bernard Hayet, Justus ...
AVSS
2005
IEEE
14 years 5 months ago
Object tracking and matting for a class of dynamic image-based representations
Image-based rendering (IBR) is an emerging technology for photo-realistic rendering of scenes from a collection of densely sampled images and videos. Recently, an object-based app...
Zhi-Feng Gan, Shing-Chow Chan, Heung-Yeung Shum
AVSS
2005
IEEE
14 years 5 months ago
Performance evaluation of event detection solutions: the CREDS experience
In video surveillance projects, automatic and realtime event detection solutions are required to guarantee an efficient and cost-effective use of the infrastructure. Many solution...
Francesco Ziliani, Sergio A. Velastin, Fatih Porik...
AVSS
2005
IEEE
14 years 5 months ago
Detecting and quantifying unusual interactions by correlating salient motion
A significant problem in scene interpretation is efficient bottom-up extraction and representation of salient features. In this paper, we address the problem of correlating sali...
Hayley S. Hung, Shaogang Gong