نتایج جستجو برای: shifting technique
تعداد نتایج: 638722 فیلتر نتایج به سال:
This paper describes the application of an important tool which can capture shifting information from pilots’ visual attention data. In order to investigate the shifting information, the shifting state space is defined by visual tracking, visual interference and visual dormancy. Using this analysis, the movement of pilots’ visual attention can be completely measured. The results that the foreca...
The 3D measuring range and accuracy in traditional active optical sensing, such as Fourier transform profilometry, are influenced by the zero frequency of the captured patterns. The phase-shifting technique is commonly applied to remove the zero component. However, this phase-shifting method must capture several fringe patterns with phase difference, thereby influencing the real-time performanc...
Conventional methods of quadrature phase-shifting holography require two holograms and either intensity distribution of the reference wave or that of the object wave to reconstruct an original object without the zero order and the twin-image noise in an on-axis holographic recording setup. We present a technique called two-step-only quadrature phase-shifting holography in which solely two quadr...
This paper reports simulation and experimental details of a novel phase shifting technique based on laser interferomeiry. Phase shifting is one of the most promising techniques L 2 for the fabrication ofhigh density DRAM's. In recent years many kinds of phase shifting methods have been proposed to extend the resolution limit and contrast of image patterns . These techniques however, have severa...
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