Tritop system is a set of 3D photic projection measurement system.

3D feature extract method for tool wear based on grating projection;

Surface reconstruction algorithm for 3D data cloud obtained in grating projection;

3-D profile measurement using grating projection with triangle method;

A new objective method based on light projection and image analysis techniques for assessing fabric pilling is presented in this paper.

From the view point of phase modulation and demodulation a comment on several main projecting grating methods, such as Moire Topography, Fourier transform profilometry and phase step demodulation, whichare used to measure 3-D object shapes is given in this paper.

Soft X-ray projection lithography technology;

Design of diffractive optical elements for off-axis illumination in projection lithography;

Soft X-ray projection lithography is expected as a candidate for VLSI p roduction in the near future.

Aiming at the tremendous computation and the low rate of standard ray casting algorithm, a new speed-up algorithm of ray casting volume rendering was presented to realize the real-time manipulation of medical images.