Depth-resolved Imaging and Displacement Measurement Techniques Viewed as Linear Filtering Operations
Depth-resolved Imaging and Displacement Measurement Techniques Viewed as Linear Filtering Operations
复制标题
DOI：
10.1007/s11340-010-9393-8
复制
发表时间：
2011
影响因子：
2.4
通讯作者：
P. D. Ruiz;J. M. Huntley;J. Coupland
中科院分区：
文献类型：
--
作者：
P. D. Ruiz;J. M. Huntley;J. Coupland
在过去的5年里，出现了一系列光学干涉技术，可以在整个三维(3-D)弱散射材料中提供变形测量。它们包括波长扫描干涉术(WSI)、倾斜扫描干涉术(TSI)、相衬光谱光学相干层析(PC SOCT)和高光谱干涉(HSI)，它们可以被认为是相移干涉术的相位传感能力和光学相干层析的深度传感能力的结合。最近的研究表明，一些密切相关的三维光学成像技术可以看作是平移不变的线性滤波运算。在本文中，我们将WSI、TSI、PC SOCT和HSI作为空间滤波操作，并将它们在空间频率域的传递函数的性质与它们的空间分辨率和相位灵敏度联系起来，用于深度分辨位移测量。
The last 5 years have seen the emergence of a family of optical interferometric techniques that provide deformation measurements throughout three-dimensional (3-D) weakly scattering materials. They include wavelength scanning interferometry (WSI), tilt scanning interferometry (TSI), phase contrast spectral optical coherence tomography (PC SOCT) and hyperspectral interferometry (HSI) and can be thought of as a marriage between the phase sensing capabilities of Phase Shifting Interferometry and the depth-sensing capabilities of Optical Coherence Tomography. It was recently shown that some closely related 3-D optical imaging techniques can be treated as shift-invariant linear filtering operations. In this paper, we extend that work to include WSI, TSI, PC SOCT and HSI as spatial filtering operations and also relate the properties of their transfer functions in the spatial frequency domain to their spatial resolution and phase sensitivity, for depth-resolved displacement measurements.