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Home > Proceedings / Proceedings of the AAAI Conference on Artificial Intelligence, 32

Discriminant Projection Representation-Based Classification for Vision Recognition

March 15, 2023

Authors

Qingxiang Feng

University of Macau


Yicong Zhou

University of Macau


Published:

2018-02-08

Proceedings:

Proceedings of the AAAI Conference on Artificial Intelligence, 32

Volume

Issue:

Thirty-Second AAAI Conference on Artificial Intelligence 2018

Track:

Main Track: Machine Learning Applications

Downloads:

Download PDF

Abstract:

Representation-based classification methods such as sparse representation-based classification (SRC) and linear regression classification (LRC) have attracted a lot of attentions. In order to obtain the better representation, a novel method called projection representation-based classification (PRC) is proposed for image recognition in this paper. PRC is based on a new mathematical model. This model denotes that the "ideal projection" of a sample point x on the hyper-space H may be gained by iteratively computing the projection of x on a line of hyper-space H with the proper strategy. Therefore, PRC is able to iteratively approximate the "ideal representation" of each subject for classification. Moreover, the discriminant PRC (DPRC) is further proposed, which obtains the discriminant information by maximizing the ratio of the between-class reconstruction error over the within-class reconstruction error. Experimental results on five typical databases show that the proposed PRC and DPRC are effective and outperform other state-of-the-art methods on several vision recognition tasks.

DOI:

10.1609/aaai.v32i1.11861


AAAI

Thirty-Second AAAI Conference on Artificial Intelligence 2018


ISSN 2374-3468 (Online) ISSN 2159-5399 (Print)


Published by AAAI Press, Palo Alto, California USA Copyright © 2018, Association for the Advancement of Artificial Intelligence All Rights Reserved.

Topics: AAAI

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