Abstract
Visual concept detection is one of the most important tasks in image and video indexing. This paper describes our system in the ImageCLEF@ICPR Visual Concept Detection Task which ranked first for large-scale visual concept detection tasks in terms of Equal Error Rate (EER) and Area under Curve (AUC) and ranked third in terms of hierarchical measure. The presented approach involves state-of-the-art local descriptor computation, vector quantisation via clustering, structured scene or object representation via localised histograms of vector codes, similarity measure for kernel construction and classifier learning. The main novelty is the classifier-level and kernel-level fusion using Kernel Discriminant Analysis with RBF/Power Chi-Squared kernels obtained from various image descriptors. For 32 out of 53 individual concepts, we obtain the best performance of all 12 submissions to this task.
| Original language | English |
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| DOIs | |
| Publication status | Published - Aug 2010 |
| Event | 20th International Conference on Pattern Recognition (ICPR 2010) - Istanbul, Turkey Duration: 23 Aug 2010 → 26 Aug 2010 |
Conference
| Conference | 20th International Conference on Pattern Recognition (ICPR 2010) |
|---|---|
| Period | 23/08/10 → 26/08/10 |
Bibliographical note
Note: Published in: Devrim Ünay, Zehra Çataltepe, Selim Aksoy (eds.) (2010) Recognizing Patterns in Signals, Speech, Images and Videos: ICPR 2010 Contests, Istanbul, Turkey, August 23-26, 2010, Contest Reports. Cham, Switzerland: Springer Nature. pp. 162-70. ISSN 0302-9743 ISBN 9783642177101Organising Body: International Association for Pattern Recognition (IAPR).
Keywords
- Computer science and informatics
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The University of Surrey Visual Concept Detection System at ImageCLEF@ICPR: working notes
Tahir, M. A., Yan, F., Barnard, M., Awais, M., Mikolajczyk, K. & Kittler, J., Aug 2010, Published in: Devrim ├£nay, Zehra ├çataltepe, Selim Aksoy (eds.) (2010) Recognizing Patterns in Signals, Speech, Images and Videos: ICPR 2010 Contests, Istanbul, Turkey, August 23-26, 2010, Contest Reports. Cham, Switzerland: Springer Nature. pp. 162-70. ISSN 0302-9743 ISBN 9783642177101 Organising Body: International Association for Pattern Recognition (IAPR). Organising Body: International Association for Pattern Recognition (IAPR)..Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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