− A new method of three-dimensional profile measurement of four-step reference specimens is presented. Instead of measuring only the height difference between central points of the two neighbouring surfaces of the specimen, overall profile of the whole specimen can be measured by using the fringe scanning Fourier transform method. The method to determine step height from its surface profile is ...

The Morph system provides a framework for automatic collection and management of profile information and application of profile-driven optimizations. In this paper, we focus on the operating system support that is required to collect and manage profile information on an end-user’s workstation in an automatic, continuous, and transparent manner. Our implementation for a Digital Alpha machine run...

Digitizing heritage monuments is a process of spatial data acquisition, geometry modelling, digital archiving and web-based representation. Moreover, there are several survey and digitizing techniques working and developing such as traditional manual methods, topographic methods, photogrammetric methods and scanning methods. The most popular on application and developing is 3D laser scanning te...

With analog scanning, time-domain low-coherence interferometry lacks precise depth information, and optical carrier generation demands a linear scanning speed. Full-field heterodyne low-coherence interferometry that uses a logarithmic complementary metal-oxide semiconductor camera, acousto-optic modulation, and digital depth stepping is reported, with which random regions of interest, lateral a...

Various aspects of digital fine art reproduction imaging were examined to determine possible sources for image color errors. Differences between two color charts used for making profiles were examined and tested with a special test chart. Possible color errors due to the camera’s spectral response were investigated. The use of tone curve adjusted chart images for profiling were compared against...

W ith the recent surge of interest in wave-front sensing technology as a new diagnostic tool in refractive surgery 1,2 , the concept of wavefront customized correction has now come to the forefront. 3,4 Among the companies leading this effort, the Summit-Autonomous Technologies provides a technology platform within CustomCornea which can be used as a model for wavefront ablation requirements. A...