Universal digital filtering for denoising volumetric retinal OCT and OCT angiography in 3D shearlet domain
文献类型：期刊论文
| 作者 | Yang, Jianlong; Hu, Yan; Fang, Liyang; Cheng, Jun; Liu, Jiang |
| 刊名 | OPTICS LETTERS
 |
| 出版日期 | 2020 |
| 卷号 | 45期号:3页码:694-697 |
| 关键词 | SPECKLE REDUCTION COHERENCE IMAGES |
| DOI | 10.1364/OL.383701 |
| 英文摘要 | Retinal optical coherence tomography (OCT) and OCT angiography (OCTA) suffer from the degeneration of image quality due to speckle noise and bulk-motion noise, respectively. Because the cross-sectional retina has distinct features in OCT and OCTA B-scans, existing digital filters that can denoise OCT efficiently are unable to handle the bulkmotion noise in OCTA. In this Letter, we propose a universal digital filtering approach that is capable of minimizing both types of noise. Considering that the retinal capillaries in OCTA are hard to differentiate in B-scans while having distinct curvilinear structures in 3D volumes, we decompose the volumetric OCT and OCTA data with 3D shearlets, thus efficiently separating the retinal tissue and vessels from the noise in this transform domain. Compared with wavelets and curvelets, the shearlets provide better representation of the layer edges in OCT and the vasculature in OCTA. Qualitative and quantitative results show the proposed method outperforms the state-of-the-art OCT and OCTA denoising methods. Also, the superiority of 3D denoising is demonstrated by comparing the 3D shearlet filtering with its 2D counterpart. (C) 2020 Optical Society of America |
| 学科主题 | Optics |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/20082]  |
| 专题 | 2020专题 2020专题_期刊论文 |
| 作者单位 | Yang, JL (corresponding author), Chinese Acad Sci, Cixi Inst Biomed Engn, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Yang, Jianlong,Hu, Yan,Fang, Liyang,et al. Universal digital filtering for denoising volumetric retinal OCT and OCT angiography in 3D shearlet domain[J]. OPTICS LETTERS,2020,45(3):694-697. |
| APA | Yang, Jianlong,Hu, Yan,Fang, Liyang,Cheng, Jun,&Liu, Jiang.(2020).Universal digital filtering for denoising volumetric retinal OCT and OCT angiography in 3D shearlet domain.OPTICS LETTERS,45(3),694-697. |
| MLA | Yang, Jianlong,et al."Universal digital filtering for denoising volumetric retinal OCT and OCT angiography in 3D shearlet domain".OPTICS LETTERS 45.3(2020):694-697. |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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