Mr. Kai Niu Profile

Kai Niu

at Univ of Wisconsin School of Medicine and Public Health

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Author

Publications (9)

Proceedings Article | 22 March 2016 Paper

Mask free intravenous 3D digital subtraction angiography (IV 3D-DSA) from a single C-arm acquisition

Yinsheng Li, Kai Niu, Pengfei Yang, Beveley Aagaard-Kienitz, David Niemann, Azam Ahmed, Charles Strother, Guang-Hong Chen

Proceedings Volume 9783, 97830V (2016) https://doi.org/10.1117/12.2216869

KEYWORDS: Cones, Angiography, Reconstruction algorithms, 3D image enhancement, 3D acquisition, Computed tomography, 3D image processing, Image restoration, Tomography, In vivo imaging, Numerical simulations, Image segmentation, Data acquisition, Metals, 3D image reconstruction

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Proceedings Article | 22 March 2016 Paper

C-arm cone beam CT perfusion imaging using the SMART-RECON algorithm to improve temporal sampling density and temporal resolution

Yinsheng Li, Kai Niu, Ke Li, Sebastian Schafer, Kevin Royalty, Charles Strother, Guang-Hong Chen

Proceedings Volume 9783, 97830U (2016) https://doi.org/10.1117/12.2216838

KEYWORDS: Reconstruction algorithms, Temporal resolution, Algorithm development, Computer simulations, In vivo imaging, Computed tomography, Tomography, Image restoration, Denoising, Imaging systems, Tissues, X-ray computed tomography, Blood, Brain mapping, Brain

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Proceedings Article | 18 March 2015 Paper

Ultra low radiation dose digital subtraction angiography (DSA) imaging using low rank constraint

Kai Niu, Yinsheng Li, Sebastian Schafer, Kevin Royalty, Yijing Wu, Charles Strother, Guang-Hong Chen

Proceedings Volume 9412, 94121O (2015) https://doi.org/10.1117/12.2082070

KEYWORDS: Image processing, Denoising, Data acquisition, Angiography, Medical imaging, Arteries, Algorithm development, In vivo imaging, Optimization (mathematics), Image quality

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Proceedings Article | 18 March 2015 Paper

Statistical model based iterative reconstruction in myocardial CT perfusion: exploitation of the low dimensionality of the spatial-temporal image matrix

Yinsheng Li, Kai Niu, Guang-Hong Chen

Proceedings Volume 9412, 94123N (2015) https://doi.org/10.1117/12.2081944

KEYWORDS: Computed tomography, X-ray computed tomography, Statistical analysis, Medical imaging, Image quality, Reconstruction algorithms, Image quality standards, Numerical simulations, Computer simulations, Image compression

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Proceedings Article | 19 March 2014 Paper

Statistical image reconstruction via denoised ordered-subset statistically penalized algebraic reconstruction technique (DOS-SPART)

Yinsheng Li, Kai Niu, Jie Tang, Guang-Hong Chen

Proceedings Volume 9033, 90330U (2014) https://doi.org/10.1117/12.2043491

KEYWORDS: Reconstruction algorithms, Image restoration, Denoising, Medical imaging, Data modeling, Image denoising, Image processing, Photon counting, Statistical modeling, Numerical simulations

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Proceedings Article | 19 March 2014 Paper

A patient-specific scatter artifacts correction method

Wei Zhao, Stephen Brunner, Kai Niu, Sebastian Schafer, Kevin Royalty, Guang-Hong Chen

Proceedings Volume 9033, 903310 (2014) https://doi.org/10.1117/12.2043923

KEYWORDS: Monte Carlo methods, Calibration, Data modeling, X-ray computed tomography, X-ray sources, Convolution, X-rays, Image segmentation, Numerical simulations, Computed tomography

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Proceedings Article | 19 March 2013 Paper

A novel temporal recovery technique to enable cone beam CT perfusion imaging using an interventional C-arm system

Jie Tang, Min Xu, Kai Niu, Kevin Royalty, Kari Pulfer, Charles Strother, Guang-Hong Chen

Proceedings Volume 8668, 86681A (2013) https://doi.org/10.1117/12.2007620

KEYWORDS: Computed tomography, Diagnostics, Data acquisition, Imaging systems, Temporal resolution, In vivo imaging, Cerebral blood flow, Numerical simulations, Deconvolution, Ischemic stroke

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Proceedings Article | 19 March 2013 Paper

A statistical image reconstruction method to reduce small angle scattering induced streaking artifacts in differential phase contrast CT

Kai Niu, Ke Li, Zhihua Qi, Nicholas Bevins, Joseph Zambelli, Guang-Hong Chen

Proceedings Volume 8668, 86684Y (2013) https://doi.org/10.1117/12.2007739

KEYWORDS: X-ray computed tomography, Image restoration, Scattering, Phase contrast, X-rays, Reconstruction algorithms, Sensors, Fluctuations and noise, Data acquisition, Image processing

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Proceedings Article | 19 March 2013 Paper

Radiation dose reduction and CNR enhancement in C-arm cone beam CT

Kai Niu, Jie Tang, Kevin Royalty, Orhan Ozkan, Charles Strother, Beverly Aagaard-Kienitz, Kari Pulfer, Guang-Hong Chen

Proceedings Volume 8668, 86682S (2013) https://doi.org/10.1117/12.2007736

KEYWORDS: Image quality, Spatial resolution, Image compression, Reconstruction algorithms, Image quality standards, Denoising, Computed tomography, Image enhancement, Image processing, Medical imaging

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Showing 5 of 9 publications

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