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Yingzhe Yang on Muck Rack

Yingzhe Yang

As seen in: Optica
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Articles

Batwing elimination algorithm based on the Haar wavelet in white-light interferometry

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By Yingzhe Yang, Yiyong Liang, Yinrui Li
| Optica Verified
White-light scanning interferometry is a mature non-contact three-dimensional shape detection method. However, the batwing effect is an inherent problem that causes systematic error. In this paper, we proposed an algorithm for detecting and eliminating the batwing effect based on the Haar wavelet transforms without any prior knowledge of the sample surface.
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Design of a panoramic annular lens system with an ultra-wide angle via an annular Gaussian radial basis function freeform surface

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By Jian Bai, Yuejia Li, Jia Wang, Yingzhe Yang
| Optica Verified
Abstract The panoramic annular lens (PAL) system can capture plentiful scene information in real time. The locally described freeform surface can provide more degrees of freedom for the optical system design than the globally described one. In this paper, we propose a locally described annular Gaussian radial basis function freeform surface that enables a high-performance yet compact PAL system.
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