DocumentCode
2118175
Title
Integration of active learning in a collaborative CRF
Author
Martinez, Oscar ; Tsechpenakis, Gabriel
Author_Institution
Dept. of Electr. & Comput. Eng., Univ. of Miami, Coral Gables, FL
fYear
2008
fDate
23-28 June 2008
Firstpage
1
Lastpage
8
Abstract
We present an active learning approach for visual multiple object class recognition, using a conditional random field (CRF) formulation. We name our graphical model dasiacollaborativepsila, because it infers class posteriors in in stances of occlusion and missing information by assessing the joint appearance and geometric assortment of neighboring sites. The model can handle scenes containing multiple classes and multiple objects inherently while using the confidence of its predictions to enforce label uniformity in areas where evidence supports similarity. Our method uses classification uncertainty to dynamically select new training samples to retrain the discriminative classifiers used in the CRF. We demonstrate the performance of our approach using cluttered scenes containing multiple objects and multiple class instances.
Keywords
computer graphics; image classification; image recognition; learning (artificial intelligence); active learning approach; classification uncertainty; conditional random field; occlusion; visual multiple object class recognition; Character generation; Collaboration; Computer vision; Graphical models; Layout; Object detection; Object recognition; Predictive models; Robustness; Uncertainty;
fLanguage
English
Publisher
ieee
Conference_Titel
Computer Vision and Pattern Recognition Workshops, 2008. CVPRW '08. IEEE Computer Society Conference on
Conference_Location
Anchorage, AK
ISSN
2160-7508
Print_ISBN
978-1-4244-2339-2
Electronic_ISBN
2160-7508
Type
conf
DOI
10.1109/CVPRW.2008.4563066
Filename
4563066
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