Fusion Of Global Shape And Local Features Using Multi Classifier Framework For Object Class Recognition

Object class recognition deals with the classification of individual objects to a certain class. In images of natural scenes, objects appear in a variety of poses and scales, with or without occlusion. Object class recognition typically involves the extraction, processing and analysis of visual feat...

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Main Author: Manshor, Noridayu
Format: Thesis
Language:English
Published: 2013
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Online Access:http://eprints.usm.my/43876/1/Noridayu%20Manshor24.pdf
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spelling my-usm-ep.438762019-04-12T05:26:10Z Fusion Of Global Shape And Local Features Using Multi Classifier Framework For Object Class Recognition 2013-10 Manshor, Noridayu QA75.5-76.95 Electronic computers. Computer science Object class recognition deals with the classification of individual objects to a certain class. In images of natural scenes, objects appear in a variety of poses and scales, with or without occlusion. Object class recognition typically involves the extraction, processing and analysis of visual features such as color, shape, or texture from an object, and then associating a class label to it. In this thesis, global shape and local features are considered as discriminative features for object class recognition. For local features, misclassification problems occur if the object is too small and possess weak local features. Besides that, local features do not give implicit importance to the shape of the object, which is one of important features to human vision. Detecting objects is difficult if the pose changes. Consequently, pose changes will result in changes in shape features for an object in the same class. Hence, both local and shape features are combined in order to obtain better classification performance for each object class. Ultimately, a meta-classifier framework is proposed as a model for object class recognition. Meta-classifier is used to learn a meta-classifier that optimally predicts the correctness of classification of base classifier for each object. In this framework, individual classifiers are trained using the local and global shape features, respectively. Then, these classifiers results are combined as input to the meta-classifier. Experimental results have shown to be comparable, or superior to existing state-of- the-art works for object class recognition. 2013-10 Thesis http://eprints.usm.my/43876/ http://eprints.usm.my/43876/1/Noridayu%20Manshor24.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Sains Komputer
institution Universiti Sains Malaysia
collection USM Institutional Repository
language English
topic QA75.5-76.95 Electronic computers
Computer science
spellingShingle QA75.5-76.95 Electronic computers
Computer science
Manshor, Noridayu
Fusion Of Global Shape And Local Features Using Multi Classifier Framework For Object Class Recognition
description Object class recognition deals with the classification of individual objects to a certain class. In images of natural scenes, objects appear in a variety of poses and scales, with or without occlusion. Object class recognition typically involves the extraction, processing and analysis of visual features such as color, shape, or texture from an object, and then associating a class label to it. In this thesis, global shape and local features are considered as discriminative features for object class recognition. For local features, misclassification problems occur if the object is too small and possess weak local features. Besides that, local features do not give implicit importance to the shape of the object, which is one of important features to human vision. Detecting objects is difficult if the pose changes. Consequently, pose changes will result in changes in shape features for an object in the same class. Hence, both local and shape features are combined in order to obtain better classification performance for each object class. Ultimately, a meta-classifier framework is proposed as a model for object class recognition. Meta-classifier is used to learn a meta-classifier that optimally predicts the correctness of classification of base classifier for each object. In this framework, individual classifiers are trained using the local and global shape features, respectively. Then, these classifiers results are combined as input to the meta-classifier. Experimental results have shown to be comparable, or superior to existing state-of- the-art works for object class recognition.
format Thesis
qualification_name Doctor of Philosophy (PhD.)
qualification_level Doctorate
author Manshor, Noridayu
author_facet Manshor, Noridayu
author_sort Manshor, Noridayu
title Fusion Of Global Shape And Local Features Using Multi Classifier Framework For Object Class Recognition
title_short Fusion Of Global Shape And Local Features Using Multi Classifier Framework For Object Class Recognition
title_full Fusion Of Global Shape And Local Features Using Multi Classifier Framework For Object Class Recognition
title_fullStr Fusion Of Global Shape And Local Features Using Multi Classifier Framework For Object Class Recognition
title_full_unstemmed Fusion Of Global Shape And Local Features Using Multi Classifier Framework For Object Class Recognition
title_sort fusion of global shape and local features using multi classifier framework for object class recognition
granting_institution Universiti Sains Malaysia
granting_department Pusat Pengajian Sains Komputer
publishDate 2013
url http://eprints.usm.my/43876/1/Noridayu%20Manshor24.pdf
_version_ 1747821294727987200