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DAGM
2009
Springer
15 years 8 months ago
Face Detection Using a Time-of-Flight Camera
We adapt the well-known face detection algorithm of Viola and Jones [1] to work on the range and intensity data from a time-offlight camera. The detector trained on the combined d...
Martin Böhme, Martin Haker, Kolja Riemer, Tho...
ICIP
2006
IEEE
16 years 3 months ago
Hierarchical Data Structure for Real-Time Background Subtraction
This paper seeks to increase the efficiency of background subtraction algorithms for motion detection. Our method uses a quadtree-base hierarchical framework that samples a small ...
Johnny Park, Amy Tabb, Avinash C. Kak
ISI
2008
Springer
15 years 1 months ago
Analysis of cyberactivism: A case study of online free Tibet activities
In this paper, we study the problem of anomaly detection in high-dimensional network streams. We have developed a new technique, called Stream Projected Ouliter deTector (SPOT), t...
Tianjun Fu, Hsinchun Chen
LREC
2008
85views Education» more  LREC 2008»
15 years 3 months ago
Detecting Errors in Semantic Annotation
We develop a method for detecting errors in semantic predicate-argument annotation, based on the variation n-gram error detection method. After establishing an appropriate data re...
Markus Dickinson, Chong Min Lee
ISBI
2004
IEEE
16 years 2 months ago
Subspace Models for Functional MRI Data Analysis
The models used for analyzing functional MRI (fMRI) data have profound impact on the detection of active brain areas. In this paper temporal and spatial linear subspace models for...
Ola Friman