科研之友
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摘要
This paper presents a gamma self-correction method via chord distribution coding to eliminate the system's gamma effect. For this purpose, the prior gamma-Gaussian characteristic value, which is extracted by chord distribution Gaussian fitting of the preset gamma's wrapped phase, is used to map the projector's gamma. Experimental results demonstrate that the proposed method has competitive accuracy and feasibility for fringe acquisition and gamma calculation. Thus, this method can be used for online gamma self-correction in continuous three-dimensional measurement.
