Two-frequency phase-shifting phase unwrapping and Gray-coded-based phase unwrapping
are two typical temporal phase unwrapping methods to recover discontinuous or spatially …

Fringe projection profilometry (FPP) is widely used because of its simple structure and high
robustness. Most existing FPP methods consider the surface of a measurement object to be …

Phase unwrapping plays an important role in phase-based 3-D shape measurement. This
article proposes an effective pixel-wise phase unwrapping method without requiring …

The calibration of the fringe projection profilometry (FPP) system is susceptible to the
camera lens distortion. This paper presents a calibration method based on the rational …

Phase-shifting profilometry is extensively utilized for three-dimensional (3D) measurement.
However, because of gamma nonlinearity, the image intensities of the captured fringe …

The code-based method is a popular technique in fringe projection profilometry. However,
the lens defocusing and ambient noise can cause the jump errors in the absolute phase …

Fringe projection profilometry (FPP) has been widely used in various fields because of its
advantages of noncontact, nondestructive, high precision, and high speed. However, due to …

Phase measurement profilometry (PMP) is primarily employed to analyze the morphology of
a functional surface with precision. Historically, one of the most complex and persistent …

3D reconstruction is a fundamental task in robotics and AI, providing a prerequisite for many
related applications. Fringe projection profilometry is an efficient and non-contact method for …

Phase shifting profilometry (PSP) has the advantages of high accuracy, spatial resolution,
and anti-noise ability. However, in addition to random noise, indirect illumination, such as …