Incorporating the modal and zonal estimation approaches into a unifying scheme, we
introduce an improved three-dimensional shape reconstruction version of specular surfaces …

A novel three-dimensional (3D) reconstruction method based on fringe reflection technique
for shape measurement of large specular surfaces is presented in this paper, which …

Phase measuring deflectometry (PMD) is an effective technique for three-dimensional
measurement of specular surfaces. However, the ambiguity of monoscopic PMD and the …

This paper proposes a mathematical measurement model of a highly reflected, specular
surface with structured light method. In the measurement, an auxiliary fringe pattern named …

There are wide applications for zonal reconstruction methods in slope-based metrology due
to its good capability of reconstructing the local details on surface profile. It was noticed in …

In order to solve the difficulty of traditional phase measuring deflectometry (PMD) in
considering precision and speed, an orthogonal encoding PMD method based on deep …

Freeform optics, offering high degrees of design freeform to control light propagation, have
already been widely applied in various photoelectric equipment. The form quality of those …

With the advent of intelligent manufacturing, phase measuring deflectometry (PMD) has
been widely studied for the measurement of the three-dimensional (3D) shape of specular …

Fringe projection profilometry based on phase-shift method has been commonly used for
three-dimensional measurement. However, measuring the specular surface is always a …

Phase measuring deflectometry (PMD) is a superior technique to obtain three-dimensional
(3D) shape information of specular surfaces because of its advantages of large dynamic …