【摘 要】
：
On the basis of the objective functions,dithering optimization techniques can be divided into the intensity-based optimization technique and the phase-based opt
【机 构】
：
State Key Laboratory of Modern Optical Instrumentation, CNERC for Optical Instruments, Zhejiang Univ
论文部分内容阅读
On the basis of the objective functions,dithering optimization techniques can be divided into the intensity-based optimization technique and the phase-based optimization technique.However,both types of techniques are spatial-domain optimization techniques,while their measurement performances are essentially determined by the harmonic components in the frequency domain.In this paper,a novel genetic optimization technique in the frequency domain is proposed for highquality fringe generation.In addition,to handle the time-consuming difficulty of genetic algorithm (GA),we first optimize a binary patch,then join the optimal binary patches together according to periodicity and symmetry so as to generate a full-size pattem.It is verified that the proposed technique can significantly enhance the measured performance and ensure the robustness to various amounts of defocusing.
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