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Content Provider | IET Digital Library |
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Author | Cheng, Jiafeng Deng, Siyang Xia, Wei Liu, Yang |
Abstract | Recently, L1-norm based robust discriminant feature extraction technique has been attracted much attention in dimensionality reduction. However, most existing approaches solve the column vectors of the optimal projection matrix one by one with a greedy strategy. Moreover, they are not suitable for solving the multi-label image classification. To solve these problems, the authors give a model named L1-norm based discriminant manifold learning in this study. An iterative non-greedy algorithm is proposed to solve the objective and the obtained optimal projection matrix necessarily best optimise the corresponding trace ratio objective function, which is the essential criterion function for general supervised dimensionality reduction. They also analyse the convergence of the authors’ proposed algorithm in detail. Extensive experiments on some databases illustrate the effectiveness of their proposed method. |
Starting Page | 664 |
Ending Page | 669 |
Page Count | 6 |
Volume Number | 2020 |
e-ISSN | 20513305 |
Issue Number | Issue 13, Jul (2020) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2020/13 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2019.1150 |
Journal | The Journal of Engineering |
Publisher | The Institution of Engineering and Technology |
Publisher Date | 2020-01-31 |
Access Restriction | Open |
Rights License | Creative Commons Attribution -Non Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) |
Subject Keyword | Column Vector Computer Vision And Image Processing Technique Criterion Function Dimensionality Reduction Feature Extraction Greedy Algorithm Greedy Strategy Image Classification Image Recognition Interpolation And Function Approximation Iterative Method Iterative Nongreedy Algorithm Knowledge Engineering Technique L1-norm Based Discriminant Manifold Learning L1-norm Based Robust Discriminant Feature Extraction Technique Learning in AI Linear Algebra Matrix Algebra Multilabel Image Classification Numerical Analysis Optimal Projection Matrix Optimisation Technique Trace Ratio Objective Function |
Content Type | Text |
Resource Type | Article |
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