Dr. Lei Zhu Profile

Dr. Lei Zhu

PhD Candidate at Stanford Univ School of Medicine

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Author

Publications (5)

Proceedings Article | 14 March 2009 Paper

Measurement-based scatter correction for cone-beam CT in radiation therapy

Lei Zhu, Lei Xing

Proceedings Volume 7258, 72583C (2009) https://doi.org/10.1117/12.813870

KEYWORDS: Scatter measurement, Radiotherapy, X-ray computed tomography, Sensors, Image quality, X-rays, Signal detection, Chest, Collimators, X-ray imaging

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Proceedings Article | 13 March 2009 Paper

Scatter correction for x-ray conebeam CT using one-dimensional primary modulation

Lei Zhu, Hewei Gao, N. Robert Bennett, Lei Xing, Rebecca Fahrig

Proceedings Volume 7258, 725820 (2009) https://doi.org/10.1117/12.813849

KEYWORDS: Modulation, Modulators, Reconstruction algorithms, X-rays, X-ray computed tomography, X-ray imaging, X-ray sources, Signal attenuation, Sensors, Monte Carlo methods

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Proceedings Article | 21 March 2007 Paper

Improved scatter correction for x-ray conebeam CT using primary modulation

Lei Zhu, Josh StarLack, N. Robert Bennett, Tianfang Li, Lei Xing, Rebecca Fahrig

Proceedings Volume 6510, 65101U (2007) https://doi.org/10.1117/12.713678

KEYWORDS: Modulation, Modulators, Sensors, X-ray sources, Linear filtering, X-rays, X-ray computed tomography, Copper, Image processing, Reconstruction algorithms

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Proceedings Article | 14 March 2007 Paper

A practical reconstruction algorithm for CT noise variance maps using FBP reconstruction

Lei Zhu, Josh StarLack

Proceedings Volume 6510, 651023 (2007) https://doi.org/10.1117/12.713692

KEYWORDS: Reconstruction algorithms, Sensors, X-ray computed tomography, Convolution, Detection and tracking algorithms, Modulation transfer functions, CT reconstruction, Interference (communication), Signal processing, Image filtering

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Proceedings Article | 20 April 2005 Paper

X-ray scatter correction for cone-beam CT using moving blocker array

Lei Zhu, Norbert Strobel, Rebecca Fahrig

Proceedings Volume 5745, (2005) https://doi.org/10.1117/12.594699

KEYWORDS: Reconstruction algorithms, Monte Carlo methods, Sensors, Error analysis, Computer simulations, Statistical analysis, Data acquisition, X-rays, Scatter measurement, Computing systems

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