Dr. Yi Tian Profile

Dr. Yi Tian

Principal Key Expert Physicist at Siemens Shanghai Medical Equipment Ltd

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Publications (12)

Proceedings Article | 1 April 2024 Poster + Paper

Rotating projection-based localizer radiograph: enable sparse sampling for dose-saving and scan speed enhancement with transformer combined CNN

Kairui Feng, Yougu Yang, Yi Tian

Proceedings Volume 12925, 129252E (2024) https://doi.org/10.1117/12.3006877

KEYWORDS: Transformers, Image restoration, Radiography, Attenuation

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Proceedings Article | 15 February 2021 Poster + Presentation + Paper

Learning observer design for object detection under complex background and variant locations: an application in IQ assessment with spectrum shaping technique for ultra-low dose lung imaging

Yougu Yang, Ruikang Zhang, Xiaolu Cai, Zheng Cui, Yi Tian

Proceedings Volume 11599, 115990Y (2021) https://doi.org/10.1117/12.2582105

KEYWORDS: Lung imaging, Signal to noise ratio, Lung, Diagnostics, Computed tomography, Photons, Performance modeling, Liver, Interference (communication), Image quality

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Proceedings Article | 15 February 2021 Presentation + Paper

Grayscale contrast enhancement based on greyscale-based contrast-to-noise ratio

Wei Zhou, Yi Tian, Xiaolu Cai, Zhenyu Fei

Proceedings Volume 11599, 1159907 (2021) https://doi.org/10.1117/12.2581206

KEYWORDS: Diagnostics, Computed tomography, Visibility, Image visualization, Image quality, Image contrast enhancement

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Proceedings Article | 15 February 2021 Presentation + Paper

3D printed cardiac phantom for cardiac CT imaging performance evaluation and examination strategy verification

Zhiyong Sun, Zhenyu Fei, Xiaolu Cai, Yougu Yang, Qi Wu, Qingqing Zhang, Yi Tian

Proceedings Volume 11595, 115950R (2021) https://doi.org/10.1117/12.2581920

KEYWORDS: Computed tomography, 3D image processing, Heart, Arteries, Imaging systems, 3D printing, 3D modeling, Tomography, Tissues, Temporal resolution

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Proceedings Article | 15 February 2021 Poster + Presentation + Paper

Rotating projection based localizer radiograph: attenuation calculation optimization and patient automatic centering with parallel-beam projection scheme

Xiaolu Cai, Yougu Yang, Xiang Wen, Yi Tian

Proceedings Volume 11595, 115952W (2021) https://doi.org/10.1117/12.2581890

KEYWORDS: Signal attenuation, Radiography, Optimization (mathematics), Lawrencium, Tomography, Modulation, 3D image processing, Image quality, Image filtering, Automatic exposure

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Proceedings Article | 15 February 2021 Paper

Scatter distribution estimated and corrected by using convolutional neural network for multi-slice CT system

Yang Wang, Ruikang Zhang, Kai Chen, Yi Tian

Proceedings Volume 11595, 115950L (2021) https://doi.org/10.1117/12.2581707

KEYWORDS: Convolutional neural networks, X-rays, X-ray computed tomography, Systems modeling, Image quality, Convolution, X-ray detectors, Sensors, Detection and tracking algorithms, Calibration

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Proceedings Article | 16 March 2020 Paper

Rotating projection based localizer radiograph which enables multiple pre-scan function for CT

Yi Tian, Xiang Wen, Taotao Li, Guoqing Zhang, Wenhao Chen

Proceedings Volume 11312, 113123R (2020) https://doi.org/10.1117/12.2549904

KEYWORDS: X-ray computed tomography, Data acquisition, Modulation, Scanners

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Proceedings Article | 16 March 2020 Paper

Human visual property based grayscale contrast enhancement: phantom-based effectiveness assessment

Wei Zhou, Yi Tian, Zhengyu Fei, Yougu Yang

Proceedings Volume 11316, 1131613 (2020) https://doi.org/10.1117/12.2549263

KEYWORDS: Computed tomography, Image visualization, Image contrast enhancement, Image quality, Visibility

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Proceedings Article | 16 March 2020 Paper

Projection-based adaptive scatter correction for CT system

Yang Wang, Guoqing Zhang, Yi Tian

Proceedings Volume 11312, 113122X (2020) https://doi.org/10.1117/12.2548919

KEYWORDS: Detection and tracking algorithms, Computed tomography, Reconstruction algorithms, Image quality, Scattering compensation

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Proceedings Article | 1 March 2019 Paper

Improved wedge scatter correction for multi-slice CT system

Yang Wang, Karl Stierstorfer, Martin Petersilka, Yi Tian

Proceedings Volume 10948, 109482B (2019) https://doi.org/10.1117/12.2511910

KEYWORDS: Image quality, X-ray computed tomography, Scattering compensation

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Proceedings Article | 9 March 2018 Paper

Scatter correction for multi-slice CT system

Yang Wang, Karl Stierstorfer, Martin Petersilka, Michael Grasruck, Yi Tian

Proceedings Volume 10573, 105733K (2018) https://doi.org/10.1117/12.2293117

KEYWORDS: Image quality, Monte Carlo methods, Data modeling, Convolution, X-ray computed tomography, Reconstruction algorithms, Scattering compensation

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Proceedings Article | 13 March 2009 Paper

Attenuation and image noise level based online z-axis tube current modulation for CT scans independent with localizer radiograph: simulation study and results

Yi Tian, Mahao Chen, Jun Kong

Proceedings Volume 7258, 72582U (2009) https://doi.org/10.1117/12.811640

KEYWORDS: Modulation, Signal attenuation, Radiography, Computed tomography, Virtual reality, Automatic exposure, Automatic control, Medical imaging, Control systems, X-ray computed tomography

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Showing 5 of 12 publications

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