Dr. Changyan Xiao Profile

Dr. Changyan Xiao

at Hunan Univ

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Author

Publications (6)

Proceedings Article | 27 January 2023 Paper

A novel multi-frequency phase fusion strategy for phase unwrapping algorithm with improved noise immunity

Huisi Miao, Ziyv Yan, Wei Huang, Changyan Xiao

Proceedings Volume 12550, 1255003 (2023) https://doi.org/10.1117/12.2667079

KEYWORDS: Phase shifts, Phase shift keying, Signal to noise ratio, Phase unwrapping, Heterodyning, Modulation, Mathematical optimization, Fringe analysis, Error analysis, Image fusion

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SPIE Journal Paper | 28 March 2020

Machine vision system for key-cap flatness measurement of computer keyboards

Huisi Miao, Changyan Xiao, Yucheng Li, Sheng Zou, Wei Huang

OE, Vol. 59, Issue 03, 033107, (March 2020) https://doi.org/10.1117/12.10.1117/1.OE.59.3.033107

KEYWORDS: Machine vision, Cameras, Calibration, Clouds, 3D image processing, Imaging systems, Structured light, Optical engineering, 3D metrology, Image processing

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Proceedings Article | 13 March 2013 Paper

A derivative of stick filter for pulmonary fissure detection in CT images

Changyan Xiao, Marius Staring, Juan Wang, Denis Shamonin, Berend Stoel

Proceedings Volume 8669, 86690V (2013) https://doi.org/10.1117/12.2006566

KEYWORDS: Lung, Image filtering, Computed tomography, Nonlinear filtering, Image segmentation, Binary data, Chronic obstructive pulmonary disease, Tissues, Gaussian filters, Image processing

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Proceedings Article | 14 February 2012 Paper

Automatic lung lobe segmentation of COPD patients using iterative B-spline fitting

D. Shamonin, M. Staring, M. E. Bakker, C. Xiao, J. Stolk, J. H. Reiber, B. Stoel

Proceedings Volume 8314, 83140W (2012) https://doi.org/10.1117/12.910869

KEYWORDS: Lung, Chronic obstructive pulmonary disease, Image segmentation, Tissues, Densitometry, Computed tomography, Emphysema, Binary data, Image processing, Natural surfaces

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Proceedings Article | 10 February 2005 Paper

Design of a synchronized scanning system for size measurement of human body

Victor Cheng, Su Zhang, Chang Xiao, Yaz Chen, Xiao Song

Proceedings Volume 5638, (2005) https://doi.org/10.1117/12.574981

KEYWORDS: Mirrors, CCD cameras, Scanners, Imaging systems, Cameras, Inspection, Optical testing, Sensors, Projection systems, Structured light

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Proceedings Article | 8 February 2005 Paper

A novel method for speckle reduction and edge enhancement in ultrasonic images

Chang-yan Xiao, Su Zhang, Sheng Cheng, Ya-zhu Chen

Proceedings Volume 5637, (2005) https://doi.org/10.1117/12.575389

KEYWORDS: Speckle, Diffusion, Ultrasonics, Image filtering, Smoothing, Digital filtering, Linear filtering, Nonlinear filtering, Edge detection, Phase modulation

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Showing 5 of 6 publications

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