简评：研发了一个新型图像增强方法，叫nonframe averaged optical coherence tomography ，并且跟frame-averaged方法对比。正常来说，帧数叠加的目的是提高成像质量，虚拟叠加(Virtual Averaging)流程为：
- (1) For each sampling voxel, one neighboring voxel out of nine on the same z-position was randomly selected according to a 2D Gaussian distribution.
- (2) A random Gaussian deviation was added to the selected voxel value.
- (3) Repeating previous two steps 15 times, and the new voxel value was calculated by averaging all 15 values replacing the original voxel value.
简评：SSOCT的时间延迟数字校正方式。方法：The time delay is iterated in this technique and each iterated correction result is evaluated through calculating the
full width at half maximum (FWHM) of peaks in time-domain. The precise alignment between the k-trigger and interference
signals coincides with the minimum value of FWHM.