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Slow axis displacement correction for stripe artefact removal in optical coherence angiography
Laser Physics Letters ( IF 1.7 ) Pub Date : 2020-09-28 , DOI: 10.1088/1612-202x/ab96ca
Alexander A Moiseev , Pavel A Shilyagin , Sergey Yu Ksenofontov , Dmitry A Terpelov , Tatyana V Vasilenkova , Valentine M Gelikonov , Grigory V Gelikonov

The method for displacement correction along the slow axis of optical coherence tomography (OCT) data volumes is presented. The method is based on the recursive replacement of the next displaced OCT measurements by the weighted summation of itself and the previous OCT measurement in the slow axis dimension already corrected for the displacement. The values of the appropriate weight multipliers were defined from the local correlation of the two measurements. The proposed method was used as a preprocessing step for optical coherence angiography processing of the OCT data. A substantial reduction of the motion-induced stripe artifact was demonstrated.

中文翻译:

慢相干位移校正在光学相干血管造影术中去除条纹伪影

提出了沿光学相干断层扫描(OCT)数据量慢轴进行位移校正的方法。该方法基于对下一个位移的OCT测量值进行递归替换,其方法是对自身进行加权求和,并在已经针对位移进行校正的慢轴尺寸中进行先前的OCT测量。根据两次测量的局部相关性定义适当的权重乘数的值。所提出的方法被用作OCT数据的光学相干血管造影术处理的预处理步骤。证明了运动引起的条纹伪像的显着减少。
更新日期:2020-09-29
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