Sekeh, M. A. and Maarof, Mohd. Aizaini and Rohani, Mohd. Fo'ad and Motiei, M. (2011) Efficient image block matching algorithm with two layer feature extraction. In: 2011 7th International Conference on Information Technology in Asia: Emerging Convergences and Singularity of Forms - Proceedings of CITA'11. IEEE Explorer, USA, 001-005. ISBN 978-161284130-4
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Official URL: http://dx.doi.org/10.1109/CITA.2011.5999526
Abstract
Image block matching is the main step of duplicated region detection for exploring copy-paste image forgery. High computational time in this step is one of the most important problems to find similar regions. In this paper we propose an efficient image block matching algorithm based on two layer feature extraction in order to improve time complexity. Furthermore, we determine performance of proposed algorithm based on time complexity function. The experimental results and mathematical analysis demonstrate that two layer matching can be more time-efficient than previous common methods such as lexicographically sorting.
| Item Type: | Book Section |
|---|---|
| Uncontrolled Keywords: | block feature dimension, copy-paste forgery, duplicated region detection, efficient matching algorithm, time complexity |
| Subjects: | Q Science > QA Mathematics > QA75 Electronic computers. Computer science |
| Divisions: | Computer Science and Information System |
| ID Code: | 29654 |
| Deposited By: | Liza Porijo |
| Deposited On: | 21 Mar 2013 06:18 |
| Last Modified: | 04 Feb 2017 23:59 |
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