5 search results - page 1 / 1 » HMM-Based Acoustic Event Detection with AdaBoost Feature Sel... |
CLEAR
2007
Springer
13 years 10 months ago
2007
Springer
Given the spectral difference between speech and acoustic events, we propose using Kullback-Leibler distance to quantify the discriminant capability of all speech feature componen...
CLEAR
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. This paper deals with the CLEAR 2007 evaluation on the detection of acoustic events which happen during seminars or meetings The implemented system consists in a front-en...
ICMCS
2006
IEEE
13 years 10 months ago
2006
IEEE
This paper presents an interactive video event retrieval system based on improved adaboost learning. This system consists of three main steps. Firstly, a long video sequence is pa...
NIPS
2003
13 years 5 months ago
2003
Face detection is a canonical example of a rare event detection problem, in which target patterns occur with much lower frequency than nontargets. Out of millions of face-sized wi...
ICML
2005
IEEE
14 years 5 months ago
2005
IEEE
The detection of faces in images is fundamentally a rare event detection problem. Cascade classifiers provide an efficient computational solution, by leveraging the asymmetry in t...