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ICPR
2008
IEEE
15 years 4 months ago
Video-based activity and movement pattern analysis in overnight sleep studies
We present a non-contact monitoring system to measure the quality of sleep using near-infrared video in this paper. We envision a smart home environment in which a processing modu...
Wen-Hung Liao, Chien-Ming Yang
CVPR
2005
IEEE
15 years 11 months ago
Detection and Explanation of Anomalous Activities: Representing Activities as Bags of Event n-Grams
We present a novel representation and method for detecting and explaining anomalous activities in a video stream. Drawing from natural language processing, we introduce a represen...
Raffay Hamid, Amos Y. Johnson, Samir Batta, Aaron ...
CVPR
2006
IEEE
15 years 11 months ago
The Function Space of an Activity
An activity consists of an actor performing a series of actions in a pre-defined temporal order. An action is an individual atomic unit of an activity. Different instances of the ...
Ashok Veeraraghavan, Amit K. Roy Chowdhury
IROS
2006
IEEE
135views Robotics» more  IROS 2006»
15 years 3 months ago
Probabilistic Speaker Localization in Noisy Environments by Audio-Visual Integration
Abstract - In this paper, we have developed not only a probabilistic sound localization system including VAD (Voice Activity Detection) component using three microphones but also a...
JongSuk Choi, Munsang Kim, Hyun-Don Kim
MVA
2010
248views Computer Vision» more  MVA 2010»
14 years 4 months ago
A comparative evaluation of interest point detectors and local descriptors for visual SLAM
Abstract In this paper we compare the behavior of different interest points detectors and descriptors under the conditions needed to be used as landmarks in visionbased simultaneou...
Arturo Gil, Óscar Martínez Mozos, M&...