Tail Artifact Removal via Transmittance Effect Subtraction in Optical Coherence Tail Artifact Images

被引:0
|
作者
Simoncic, Urban [1 ,2 ]
Milanic, Matija [1 ,2 ]
机构
[1] Univ Ljubljana, Fac Math & Phys, Ljubljana 1000, Slovenia
[2] Jozef Stefan Inst, Ljubljana 1000, Slovenia
关键词
Optical Coherence Tomography (OCT); Optical Coherence Tomography Angiography (OCTA); Tail Artifact Removal; physics-based image processing; CHOROIDAL NEOVASCULARIZATION; ANGIOGRAPHY;
D O I
10.3390/s23239312
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Optical Coherence Tomography Angiography (OCTA) has revolutionized non-invasive, high-resolution imaging of blood vessels. However, the challenge of tail artifacts in OCTA images persists. In response, we present the Tail Artifact Removal via Transmittance Effect Subtraction (TAR-TES) algorithm that effectively mitigates these artifacts. Through a simple physics-based model, the TAR-TES accounts for variations in transmittance within the shallow layers with the vasculature, resulting in the removal of tail artifacts in deeper layers after the vessel. Comparative evaluations with alternative correction methods demonstrate that TAR-TES excels in eliminating these artifacts while preserving the essential integrity of vasculature images. Crucially, the success of the TAR-TES is closely linked to the precise adjustment of a weight constant, underlining the significance of individual dataset parameter optimization. In conclusion, TAR-TES emerges as a powerful tool for enhancing OCTA image quality and reliability in both clinical and research settings, promising to reshape the way we visualize and analyze intricate vascular networks within biological tissues. Further validation across diverse datasets is essential to unlock the full potential of this physics-based solution.
引用
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页数:15
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