Three-dimensional (3-D) shape measurement for a dynamic object or process, whose height
distributions is varying with the time, has been a hot topic in recent years due to its wide field …

The modulation and projection of patterns are the cornerstones of spatially structured-light
three-dimensional (3D) imaging. However, an overview of this field is lacking. This paper …

During recent years, the use of fringe projection techniques for generating three-
dimensional (3D) surface information has become one of the most active research areas in …

US8531650B2 - Multiple channel locating - Google Patents US8531650B2 - Multiple channel
locating - Google Patents Multiple channel locating Download PDF Info Publication number …

Additive manufacturing (AM) techniques provide significant advantages over conventional
subtractive manufacturing techniques in terms of the wide range of part geometry that can be …

A novel technique using color-encoded stripes embedded into a sinusoidal fringe pattern for
finding the absolute shape of an object is proposed. Phases of the projected fringes on the …

A challenge problem associated with fringe pattern profilometry (FPP) systems is the
unwrapping of phase maps resulted from complex object surface shapes. The simple path …

An improved method is proposed to perform calibration-based fringe projected profilometry
using a two-frequency fringe pattern for the 3D shape measurements of objects with large …

In a large-scale structure assembly, a highly accurate normal direction measurement for
robotic drilling is required. However, the robustness and accuracy of the existing normal …

Sinusoidal fringe pattern is widely used in optical profilometry; however, the traditional
constant-frequency sinusoidal fringe pattern reduces 3D measurement accuracy in the …