Journal article
Speckle reduction in optical coherence tomography imaging by affine-motion image registration
Journal of Biomedical Optics, Vol.16(11), pp.1-6
2011
PMID: 22112132
Abstract
Signal-degrading speckle is one factor that can reduce the quality of optical coherence tomography images. We demonstrate the use of a hierarchical model-based motion estimation processing scheme based on an affine-motion model to reduce speckle in optical coherence tomography imaging, by image registration and the averaging of multiple B-scans. The proposed technique is evaluated against other methods available in the literature. The results from a set of retinal images show the benefit of the proposed technique, which provides an improvement in signal-to-noise ratio of the square root of the number of averaged images, leading to clearer visual information in the averaged image. The benefits of the proposed technique are also explored in the case of ocular anterior segment imaging.
Details
- Title
- Speckle reduction in optical coherence tomography imaging by affine-motion image registration
- Authors
- David Alonso-Caneiro (Corresponding Author) - Queensland University of TechnologyScott A. Read (Author) - Queensland University of TechnologyMichael J. Collins (Author) - Queensland University of Technology
- Publication details
- Journal of Biomedical Optics, Vol.16(11), pp.1-6
- Publisher
- S P I E - International Society for Optical Engineering
- Date published
- 2011
- DOI
- 10.1117/1.3652713
- ISSN
- 1560-2281
- PMID
- 22112132
- Organisation Unit
- School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99973592502621
- Output Type
- Journal article
Metrics
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- Web Of Science research areas
- Biochemical Research Methods
- Optics
- Radiology, Nuclear Medicine & Medical Imaging
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Source: InCites