K. Sugimoto
Constant-time Bilateral Filter using Spectral Decomposition
Sugimoto, K.; Breckon, T.P.; Kamata, S.
Abstract
This paper presents an efficient constant-time bilateral filter where constant-time means that computational complexity is independent of filter window size. Many state-of-the-art constant-time methods approximate the original bilateral filter by an appropriate combination of a series of convolutions. It is important for this framework to optimize the performance tradeoff between approximate accuracy and the number of convolutions. The proposed method achieves the optimal performance tradeoff in a least-squares manner by using spectral decomposition under the assumption that images consist of discrete intensities such as 8-bit images. This approach is essentially applicable to arbitrary range kernel. Experiments show that the proposed method outperforms state-of-the-art methods in terms of both computational complexity and approximate accuracy.
Citation
Sugimoto, K., Breckon, T., & Kamata, S. (2016). Constant-time Bilateral Filter using Spectral Decomposition. In Proc. Int. Conf. on Image Processing (3319-3323). https://doi.org/10.1109/ICIP.2016.7532974
Presentation Conference Type | Conference Paper (Published) |
---|---|
Conference Name | 2016 IEEE International Conference on Image Processing (ICIP). |
Start Date | Sep 25, 2016 |
End Date | Sep 28, 2016 |
Acceptance Date | Jul 12, 2016 |
Online Publication Date | Aug 19, 2016 |
Publication Date | 2016 |
Deposit Date | Oct 3, 2016 |
Publicly Available Date | Oct 6, 2016 |
Pages | 3319-3323 |
Series ISSN | 2381-8549 |
Book Title | Proc. Int. Conf. on Image Processing |
DOI | https://doi.org/10.1109/ICIP.2016.7532974 |
Keywords | image filtering, noise removal, smoothing, edge preserving filter, denoising |
Public URL | https://durham-repository.worktribe.com/output/1149656 |
Publisher URL | https://breckon.org/toby/publications/papers/sugimoto16bilateral.pdf |
Related Public URLs | http://community.dur.ac.uk/toby.breckon/publications/papers/sugimoto16bilateral.pdf |
Additional Information | Date of Conference: 25-28 Sept. 2016 |
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