With the advances in scientific foundations and technological implementations, optical
metrology has become versatile problem-solving backbones in manufacturing, fundamental …

Fringe projection profilometry is widely used for three-dimensional (3D) measurements.
System calibration is crucial to fringe projection systems, since it determines how the phase …

The principle of structured light and triangulation is used in a wide range of 3D optical
metrology applications, such as mechanical engineering, industrial monitoring, computer …

Structured light three-dimensional (3D) measurement technology is considered one of the
most reliable 3D data acquisition methods. Driven by the demand for high-precision 3D data …

In many optical metrology techniques, fringe pattern analysis is the central algorithm for
recovering the underlying phase distribution from the recorded fringe patterns. Despite …

In fringe projection profilometry (FPP), temporal phase unwrap** is an essential
procedure to recover an unambiguous absolute phase even in the presence of large …

Fringe projection profilometry (FPP) has become a more prevalently adopted technique in
intelligent manufacturing, defect detection, and some other important applications. In FPP …

The acquisition of high-resolution, real-time three-dimensional surface data of dynamically
moving objects has large applicability in many fields. When additional restrictions such as …

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

Fringe projection profilometry is a well-established technique for optical 3D shape
measurement. However, in many applications, it is desirable to make 3D measurements at …