Motion artifact and speckle noise reduction in polarization sensitive optical coherence tomography by retinal tracking

被引：39
|
作者：
Sugita, Mitsuro [1 ,3 ]
Zotter, Stefan [1 ]
Pircher, Michael [1 ]
Makihira, Tomoyuki [3 ]
Saito, Kenichi [3 ]
Tomatsu, Nobuhiro [3 ]
Sato, Makoto [3 ]
Roberts, Philipp [2 ]
Schmidt-Erfurth, Ursula [2 ]
Hitzenberger, Christoph K. [1 ]
机构：
[1] Med Univ Vienna, Ctr Med Phys & Biomed Engn, A-1090 Vienna, Austria
[2] Med Univ Vienna, Dept Ophthalmol & Optometry, A-1090 Vienna, Austria
[3] Canon Inc, Tokyo, Japan
来源：
BIOMEDICAL OPTICS EXPRESS | 2014年 / 5卷 / 01期
关键词：
NERVE-FIBER LAYER; SPECTRAL-DOMAIN-OCT; IN-VIVO; HIGH-SPEED; RESOLVED BIREFRINGENCE; GEOGRAPHIC ATROPHY; PIGMENT EPITHELIUM; RESOLUTION; TISSUE; THICKNESS;
D O I：
10.1364/BOE.5.000106
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
We present a novel polarization sensitive optical coherence tomography (PS-OCT) system with an integrated retinal tracker. The tracking operates at up to 60 Hz, correcting PS-OCT scanning positions during the acquisition to avoid artifacts caused by eye motion. To demonstrate the practical performance of the system, we imaged several healthy volunteers and patients with AMD both with B-scan repetitions for frame averaging and with 3D raster scans. Under large retinal motions with up to 1 mm amplitude at 0.5 similar to a few Hz frequency range, motion artifact suppression in the PS-OCT images as well as standard deviation noise reduction in the frame averaged retardation images are presented. (C) 2013 Optical Society of America
引用
收藏
页码：106 / 122
页数：17
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