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| Content Provider | IET Digital Library |
|---|---|
| Author | Zaman, Fadhlan Hafizhelmi Kamaru |
| Abstract | Due to inherent characteristics of multiscale and orientation, normalised Gabor features have been successfully used in face recognition. Various previous works have showcased the strength and feasibility of this approach, especially on its robustness against local variations. However, the projected features are numerous and substantial in dimension, which is largely due to the convolution of multiscale and orientation of wavelets. Such features, when used in practical face recognition, would require relatively lengthy classification process, particularly when it involves computationally extensive local classifier or experts, such as ensembles of local cosine similarity (ELCS) classifier. The authors address this issue by simultaneously reducing the size of Gabor features laterally and locally using a manifold learning method called locally linear embedding (LLE). This method is thus denoted as locally lateral normalised local Gabor feature vector with LLE (LGFV/LN/LLE). Results on several publicly available face datasets reveal the superiority of the authors’ approach in terms of improvements in feature compression of LGFV features by up to a reduction of 95% of total dimensionality while increasing the average classification accuracy by 26%. Altogether, the authors show that their LGFV/LN/LLE augmented by ELCS classifiers delivers equivalent result when compared against the state-of-the-art. |
| Starting Page | 122 |
| Ending Page | 130 |
| Page Count | 9 |
| ISSN | 17519632 |
| Volume Number | 14 |
| e-ISSN | 17519640 |
| Issue Number | Issue 4, Jun (2020) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-cvi/14/4 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-cvi.2019.0531 |
| Journal | IET Computer Vision |
| Publisher Date | 2020-02-12 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Computer Vision And Image Processing Technique Extensive Local Classifier Face Recognition Feature Compression Feature Extraction Filtering Method in Signal Processing Gabor Filter Image Classification Image Recognition Integral Transforms Knowledge Engineering Technique Learning in AI LGFV Feature Local Cosine Similarity Classifier Local Variations Locally Lateral Manifolds Locally Lateral Normalised Local Gabor Feature Vector Locally Linear Embedding Manifold Learning Method Multiscale Orientation Normalised Gabor Feature Optical, Image And Video Signal Processing Optimisation Technique Practical Face Recognition Projected Feature Publicly Available Face Datasets Relatively Lengthy Classification Process Statistics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Vision and Pattern Recognition Software |
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