Dr. Hengzheng Wei Profile

Dr. Hengzheng Wei

at National Institute of Metrology

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Author

Publications (6)

Proceedings Article | 7 March 2019 Paper

Research and evaluation of geometric element data fitting software for coordinate measurement machine

Xuewei Cui, Hengzheng Wei, Weinong Wang

Proceedings Volume 11053, 110532V (2019) https://doi.org/10.1117/12.2512066

KEYWORDS: Standards development, Software development, Data processing, Metrology, Tolerancing, Matrices, Nanolithography

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Proceedings Article | 24 November 2016 Paper

Concentricity calibration of photogrammetry retro-reflector target

Hengzheng Wei, Weinong Wang, Limei Pei, Guoying Ren

Proceedings Volume 10023, 1002309 (2016) https://doi.org/10.1117/12.2244876

KEYWORDS: Photogrammetry, Retroreflectors, Calibration, Digital photography, Reflectivity, Metrology, Metals, Imaging systems, Standards development, Optical sensors

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Proceedings Article | 6 March 2015 Paper

Application of coordinate transform on ball plate calibration

Hengzheng Wei, Weinong Wang, Guoying Ren, Limei Pei

Proceedings Volume 9446, 944613 (2015) https://doi.org/10.1117/12.2180721

KEYWORDS: Optical spheres, Interferometers, Calibration, Metrology, Laser metrology, Ceramics, Laser development, Error analysis, Temperature metrology, Instrumentation engineering

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Proceedings Article | 12 November 2010 Paper

Algorithm for determining line centre with microscope measuring system

Hengzheng Wei, Weinong Wang, Guoying Ren, Limei Pei

Proceedings Volume 7855, 785524 (2010) https://doi.org/10.1117/12.871046

KEYWORDS: Microscopes, Imaging systems, Edge detection, Metrology, Diffraction, Calibration, Charge-coupled devices, Inspection, Image processing, CCD cameras

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Proceedings Article | 12 November 2010 Paper

Research on performance evaluation of non-arm coordinate measuring machine (NACMM)

Weinong Wang, Hengzheng Wei, Yang Xia

Proceedings Volume 7855, 785527 (2010) https://doi.org/10.1117/12.871710

KEYWORDS: Optical spheres, Calibration, Laser beam diagnostics, Laser optics, Tolerancing, Metrology, Head, 3D acquisition, Distance measurement, Lutetium

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Proceedings Article | 29 November 2007 Paper

Known plain text attack on the double phase encoding and its implementation with parallel hardware

Hengzheng Wei, Xiang Peng, Haitao Liu, Songlin Feng, Bruce Gao

Proceedings Volume 6837, 683703 (2007) https://doi.org/10.1117/12.755022

KEYWORDS: Digital signal processing, Signal processing, Phase retrieval, Fourier transforms, Image restoration, Computer programming, Image encryption, Image retrieval, Cryptanalysis, Algorithm development

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Showing 5 of 6 publications

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