Conditions of the digital recording of the fringe pattern determine the phase reconstruction
procedure, which in turn directly shapes the final accuracy and throughput of the full-field …

A phase unwrap** algorithm for interferometric fringes based on the unscented Kalman
filter (UKF) technique is proposed. The algorithm can bring about accurate phase …

For non-contact deformation testing, digital holographic interferometry is a prominent optical
technique where the first and second order interference phase derivatives directly embed …

To meet the needs of high speed measurement on hardware, undersampling technique is
applied to displacement measurement homodyne interferometer. For orthogonal …

Newton's rings are often encountered in interferometry, and in analyzing them, we can
estimate the physical parameters, such as curvature radius and the rings' center. The …

We propose a simple and robust phase demodulation algorithm for two-shot fringe patterns
with random phase shifts. Based on a smoothness assumption, the phase to be recovered is …

An automatic surface defect detection algorithm is proposed in a fringe projection
profilometry setup. An exponential phase field associated with the fringe projected surface …

Fringe patterns encode the information about the result of a measurement performed via
widely used optical full-field testing methods, eg, interferometry, digital holographic …

By analyzing Newton's rings, often encountered in interferometry, using fractional Fourier
transform (FRFT), we can estimate the physical parameters, such as the curvature radius of …

This paper proposes a technique for the simultaneous estimation of interference phase
derivative and phase from a complex interferogram recorded in an optical interferometric …