Ms. Yan Ha Profile

Yan Ha

at Hebei Univ

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Author

Publications (7)

Proceedings Article | 12 January 2012 Paper

Image denoising based on wavelet transform algorithm

Yan Ha, Xiaofei Wang, Miao Wang, Qian Su, Yue Shi

Proceedings Volume 8206, 82061L (2012) https://doi.org/10.1117/12.910079

KEYWORDS: Wavelets, Image filtering, Denoising, Digital filtering, Image denoising, Wavelet transforms, Image processing, Fourier transforms, Nonlinear filtering, Image quality

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Proceedings Article | 25 November 2009 Paper

A new algorithm for image denoising

Yan Ha, Ying Xu, Baozhu Yang, Xiaofei Wang

Proceedings Volume 7513, 75132D (2009) https://doi.org/10.1117/12.838143

KEYWORDS: Wavelets, Denoising, Digital filtering, Image processing, Image denoising, Image filtering, Wavelet transforms, Image quality, Data processing, Interference (communication)

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Proceedings Article | 25 November 2009 Paper

Image denoising algorithm based on the relevance of wavelet coefficients

Yan Ha

Proceedings Volume 7513, 75132E (2009) https://doi.org/10.1117/12.838145

KEYWORDS: Wavelets, Denoising, Image denoising, Image filtering, Wavelet transforms, Digital filtering, Image processing, Discrete wavelet transforms, Signal to noise ratio, Mathematics

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Proceedings Article | 20 May 2009 Paper

Image denoising based on wavelet transform

Yan Ha

Proceedings Volume 7283, 728348 (2009) https://doi.org/10.1117/12.828818

KEYWORDS: Wavelets, Denoising, Wavelet transforms, Interference (communication), Signal to noise ratio, Image denoising, Reconstruction algorithms, Image quality, Statistical analysis, Analytical research

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Proceedings Article | 28 January 2009 Paper

Nonlinear edge: preserving smoothing by PDEs

Yan Ha, Jiejing Liu

Proceedings Volume 7156, 71562V (2009) https://doi.org/10.1117/12.811351

KEYWORDS: Digital filtering, Nonlinear filtering, Image filtering, Partial differential equations, Smoothing, Palladium, Electronic filtering, Gaussian filters, Interference (communication), Image processing

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Proceedings Article | 28 January 2009 Paper

Edge detection based on wavelet analysis

Yan Ha, Xiaofei Wang

Proceedings Volume 7156, 71562Z (2009) https://doi.org/10.1117/12.811780

KEYWORDS: Edge detection, Wavelets, Wavelet transforms, Image segmentation, Image processing, Image analysis, Detection and tracking algorithms, Image enhancement, Interference (communication), Image processing algorithms and systems

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Proceedings Article | 19 February 2008 Paper

Algorithm of contrast enhancement for visual document images with underexposure

Da-zeng Tian, Yong Hao, Ming-hu Ha, Xue-dong Tian, Yan Ha

Proceedings Volume 6625, 66250B (2008) https://doi.org/10.1117/12.790761

KEYWORDS: Detection and tracking algorithms, Visualization, Image enhancement, Optical character recognition, Statistical analysis, Image processing, Image visualization, Image segmentation, Digital cameras, C++

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Showing 5 of 7 publications

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