| Department | 自适应光学技术研究室（八室） |
| Improved wavelet hierarchical threshold filter method for optical coherence tomography image de-noising | |
| Cao, Jing1; Wang, Pinghe1; Wu, Bo2; Shi, Guohua1,3; Zhang, Yan4; Li, Xiqi5,6; Zhang, Yudong5,6; Liu, Yong1 | |
| Source Publication | JOURNAL OF INNOVATIVE OPTICAL HEALTH SCIENCES
 |
| Volume | 11Issue:3Pages:1850012 |
| 2018-05-01 | |
| Language | 英语 |
| ISSN | 1793-5458 |
| DOI | 10.1142/S1793545818500128 |
| Indexed By | SCI ; Ei |
| WOS ID | WOS:000431314200007 |
| EI Accession Number | 20181905142519 |
| Subtype | J |
| Abstract | According to the speckle feature in Optical coherence tomography (OCT), images with speckle indicate not only noise but also signals, an improved wavelet hierarchical threshold filter (IWHTF) method is proposed. At first, a modified hierarchical threshold-selected algorithm is used to prevent signals from being removed by assessing suitable thresholds for different noise levels. Then, an improved wavelet threshold function based on two traditional threshold functions is proposed to trade-off between speckle removing and sharpness degradation. The de-noising results of an OCT finger skin image shows that the IWHTF method obtains better objective evaluation metrics and visual image quality improvement. When alpha - 0.2, beta - 5.0 and K - 1,2, the improved method can achieve 9.58 dB improvement in signal-to-noise ratio, with sharpness degraded by 3.81%. |
| Keyword | Optical coherence tomography wavelets speckle |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.ioe.ac.cn/handle/181551/9384 |
| Collection | 自适应光学技术研究室（八室） |
| Affiliation | 1.School of Optoelectronic Information, University of Electronic Science and Technology of China, No. 4, North Jianshe Road, Chengdu; 610054, China; 2.College of Optoelectronic Technology, Chengdu University of Information Technology, Chengdu; 610225, China; 3.Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou; 215163, China; 4.School of Electronic and Communication Engineering, Guiyang University, Guiyang; 550005, China; 5.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China; 6.Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu; 610209, China |
| Recommended Citation GB/T 7714 | Cao, Jing,Wang, Pinghe,Wu, Bo,et al. Improved wavelet hierarchical threshold filter method for optical coherence tomography image de-noising[J]. JOURNAL OF INNOVATIVE OPTICAL HEALTH SCIENCES,2018,11(3):1850012. |
| APA | Cao, Jing.,Wang, Pinghe.,Wu, Bo.,Shi, Guohua.,Zhang, Yan.,...&Liu, Yong.(2018).Improved wavelet hierarchical threshold filter method for optical coherence tomography image de-noising.JOURNAL OF INNOVATIVE OPTICAL HEALTH SCIENCES,11(3),1850012. |
| MLA | Cao, Jing,et al."Improved wavelet hierarchical threshold filter method for optical coherence tomography image de-noising".JOURNAL OF INNOVATIVE OPTICAL HEALTH SCIENCES 11.3(2018):1850012. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 2018-2182.pdf（2800KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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