论文标题
高分辨率的宽场八八个血管造影,采用自动化方法来纠正微扫视和眨眼
High-resolution wide-field OCT angiography with a self-navigation method to correct microsaccades and blinks
论文作者
论文摘要
在这项研究中,我们展示了一种新型的自我驱动运动校正方法,该方法抑制了眼睛运动和闪烁的伪影在宽视野光学相干性层析成像造影术(OCTA)上,而无需进行任何硬件修改。开发了高效的基于GPU的实时八颗图像采集和处理软件,以检测眼动伪像。该算法包括一个瞬时运动索引,该指数评估了EN FACE OCTA图像上运动伪像的强度。具有超图运动和眼睛闪烁的伪像的区域会自动恢复。成像糖尿病性视网膜病变的健康眼睛和眼睛都成像,并展示了自我散布的运动校正性能。
In this study, we demonstrate a novel self-navigated motion correction method that suppresses eye motion and blinking artifacts on wide-field optical coherence tomographic angiography (OCTA) without requiring any hardware modification. Highly efficient GPU-based, real-time OCTA image acquisition and processing software was developed to detect eye motion artifacts. The algorithm includes an instantaneous motion index that evaluates the strength of motion artifact on en face OCTA images. Areas with suprathreshold motion and eye blinking artifacts are automatically rescanned in real-time. Both healthy eyes and eyes with diabetic retinopathy were imaged, and the self-navigated motion correction performance was demonstrated.