Share Email Print

Proceedings Paper

Speckle reduction of OCT images using an adaptive cluster-based filtering
Author(s): Saba Adabi; Elaheh Rashedi; Silvia Conforto; Darius Mehregan; Qiuyun Xu; Mohammadreza Nasiriavanaki
Format Member Price Non-Member Price
PDF $17.00 $21.00

Paper Abstract

Optical coherence tomography (OCT) has become a favorable device in the dermatology discipline due to its moderate resolution and penetration depth. OCT images however contain grainy pattern, called speckle, due to the broadband source that has been used in the configuration of OCT. So far, a variety of filtering techniques is introduced to reduce speckle in OCT images. Most of these methods are generic and can be applied to OCT images of different tissues. In this paper, we present a method for speckle reduction of OCT skin images. Considering the architectural structure of skin layers, it seems that a skin image can benefit from being segmented in to differentiable clusters, and being filtered separately in each cluster by using a clustering method and filtering methods such as Wiener. The proposed algorithm was tested on an optical solid phantom with predetermined optical properties. The algorithm was also tested on healthy skin images. The results show that the cluster-based filtering method can reduce the speckle and increase the signal-to-noise ratio and contrast while preserving the edges in the image.

Paper Details

Date Published: 17 February 2017
PDF: 6 pages
Proc. SPIE 10053, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI, 100532X (17 February 2017); doi: 10.1117/12.2254903
Show Author Affiliations
Saba Adabi, Wayne State Univ. (United States)
Roma Tre Univ. (Italy)
Elaheh Rashedi, Wayne State Univ. (United States)
Silvia Conforto, Roma Tre Univ. (United States)
Darius Mehregan, Wayne State Univ. (United States)
Qiuyun Xu, Wayne State Univ. (United States)
Mohammadreza Nasiriavanaki, Wayne State Univ. (United States)
Barbara Ann Karmanos Cancer Institute (United States)

Published in SPIE Proceedings Vol. 10053:
Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI
James G. Fujimoto; Joseph A. Izatt; Valery V. Tuchin, Editor(s)

© SPIE. Terms of Use
Back to Top
Sign in to read the full article
Create a free SPIE account to get access to
premium articles and original research
Forgot your username?