OCT image denoising algorithm based on discrete wavelet transform and spatial domain feature fusion

IF 1.2 4区 物理与天体物理 Q4 OPTICS
Wenyu Wei, Huaiguang Chen, Jing Gao, S. Fu, Jin Li
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引用次数: 0

Abstract

Optical coherence tomography (OCT) is an emerging optical imaging modality with high resolution and non-invasive, which plays an important role in applications such as material detection and disease diagnosis, especially for ophthalmic retinal diseases such as age-related macular degeneration, diabetic macular edema and choroidal neovascularization. However, since OCT utilizes the coherent interference of light, the generated image is inevitably affected by speckle noise, which blurs the structural information of the image such as layer structure and lesion point, and the low-quality OCT image makes its subsequent application become difficult. To solve this problem, an OCT image denoising fusion based on discrete wavelet transform and spatial domain feature weighting is proposed in this paper. Extensibility experiments show that the proposed algorithm can better remove noise and retain its precise structural information compared with several state-of-the-art OCT image denoising algorithms.
基于离散小波变换和空间域特征融合的OCT图像去噪算法
光学相干断层扫描(OCT)是一种新兴的高分辨率、无创的光学成像方式,在材料检测和疾病诊断等应用中发挥着重要作用,尤其是在老年性黄斑变性、糖尿病性黄斑水肿和脉络膜新生血管等眼用视网膜疾病中。然而,由于OCT利用了光的相干干涉,生成的图像不可避免地受到斑点噪声的影响,斑点噪声模糊了图像的结构信息,如层结构和病变点,并且低质量的OCT图像使其后续应用变得困难。针对这一问题,本文提出了一种基于离散小波变换和空间域特征加权的OCT图像去噪融合方法。可扩展性实验表明,与几种最先进的OCT图像去噪算法相比,该算法能够更好地去除噪声并保留其精确的结构信息。
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来源期刊
Journal of Modern Optics
Journal of Modern Optics 物理-光学
CiteScore
2.90
自引率
0.00%
发文量
90
审稿时长
2.6 months
期刊介绍: The journal (under its former title Optica Acta) was founded in 1953 - some years before the advent of the laser - as an international journal of optics. Since then optical research has changed greatly; fresh areas of inquiry have been explored, different techniques have been employed and the range of application has greatly increased. The journal has continued to reflect these advances as part of its steadily widening scope. Journal of Modern Optics aims to publish original and timely contributions to optical knowledge from educational institutions, government establishments and industrial R&D groups world-wide. The whole field of classical and quantum optics is covered. Papers may deal with the applications of fundamentals of modern optics, considering both experimental and theoretical aspects of contemporary research. In addition to regular papers, there are topical and tutorial reviews, and special issues on highlighted areas. All manuscript submissions are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees. General topics covered include: • Optical and photonic materials (inc. metamaterials) • Plasmonics and nanophotonics • Quantum optics (inc. quantum information) • Optical instrumentation and technology (inc. detectors, metrology, sensors, lasers) • Coherence, propagation, polarization and manipulation (classical optics) • Scattering and holography (diffractive optics) • Optical fibres and optical communications (inc. integrated optics, amplifiers) • Vision science and applications • Medical and biomedical optics • Nonlinear and ultrafast optics (inc. harmonic generation, multiphoton spectroscopy) • Imaging and Image processing
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