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Estimation of image magnification using phase correlation
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Raj, A. N. Joseph and Staunton, R. C. (2007) Estimation of image magnification using phase correlation. In: 7th International Conference on Computational Intelligence and Multimedia Applications, Sivakasi, INDIA, DEC 13-15, 2007. Published in: ICCIMA 2007: INTERNATIONAL CONFERENCE ON COMPUTATIONAL INTELLIGENCE AND MULTIMEDIA APPLICATIONS, VOL III, PROCEEDINGS pp. 490-494.
Full text not available from this repository.Abstract
A new method to determine the magnification change between near and far focused images is presented. For a non-central image sub-block the magnification can be determined by considering the translation of the block. In practice the central sub-block was used to measure the overall translation and non-central sub-blocks provide a map of magnification at different points within an image. The method employs Phase Correlation. Experimental results with simulated and real images show the method works effectively even for defocused images.
| Item Type: | Conference Item (UNSPECIFIED) |
|---|---|
| Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TR Photography |
| Journal or Publication Title: | ICCIMA 2007: INTERNATIONAL CONFERENCE ON COMPUTATIONAL INTELLIGENCE AND MULTIMEDIA APPLICATIONS, VOL III, PROCEEDINGS |
| Publisher: | IEEE COMPUTER SOC |
| ISBN: | ***************** |
| Editor: | Arivazhagan, S and Selvaraj, H and Verma, B and DeCarvalho, A |
| Date: | 2007 |
| Number of Pages: | 5 |
| Page Range: | pp. 490-494 |
| Publication Status: | Published |
| Title of Event: | 7th International Conference on Computational Intelligence and Multimedia Applications |
| Location of Event: | Sivakasi, INDIA |
| Date(s) of Event: | DEC 13-15, 2007 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/30524 |
Data sourced from Thomson Reuters' Web of Knowledge
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