Dr. Xiang Li Profile

Dr. Xiang Li

at SUNY/Stony Brook

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 12 May 2004 Paper

SNR-weighted sinogram smoothing with improved noise-resolution properties for low-dose x-ray computed tomography

Tianfang Li, Jing Wang, Junhai Wen, Xiang Li, Hongbing Lu, Jiang Hsieh, Zhengrong Liang

Proceedings Volume 5370, (2004) https://doi.org/10.1117/12.535560

KEYWORDS: Signal to noise ratio, X-ray computed tomography, Data modeling, X-rays, Sensors, Smoothing, Calibration, Linear filtering, Image filtering, Scanners

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Proceedings Article | 12 May 2004 Paper

Accurate colon residue detection algorithm with partial volume segmentation

Xiang Li, Zhengrong Liang, PengPeng Zhang, Gerald Kutcher

Proceedings Volume 5370, (2004) https://doi.org/10.1117/12.535230

KEYWORDS: Tissues, Colon, Expectation maximization algorithms, Image segmentation, Volume rendering, Computed tomography, Bone, Virtual colonoscopy, Image processing algorithms and systems, Image processing

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Proceedings Article | 5 June 2003 Paper

Adaptive noise reduction toward low-dose computed tomography

Hongbing Lu, Xiang Li, Lihong Li, Dongqing Chen, Yuxiang Xing, Jiang Hsieh, Zhengrong Liang

Proceedings Volume 5030, (2003) https://doi.org/10.1117/12.480374

KEYWORDS: Image filtering, Computed tomography, Signal to noise ratio, Digital filtering, Denoising, X-ray computed tomography, Nonlinear filtering, Smoothing, Gaussian filters, Image restoration

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Proceedings Article | 15 May 2003 Paper

High-resolution reconstruction for 3D SPECT

Tianfang Li, Junhai Wen, Hongbing Lu, Xiang Li, Zhengrong Liang

Proceedings Volume 5032, (2003) https://doi.org/10.1117/12.481429

KEYWORDS: Image resolution, Single photon emission computed tomography, Reconstruction algorithms, Matrices, Signal attenuation, Sensors, Expectation maximization algorithms, Collimators, Optical resolution, Imaging systems

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Proceedings Article | 15 May 2003 Paper

Inhomogeneity correction for magnetic resonance images with fuzzy C-mean algorithm

Xiang Li, Lihong Li, Hongbing Lu, Dongqing Chen, Zengrong Liang

Proceedings Volume 5032, (2003) https://doi.org/10.1117/12.481375

KEYWORDS: Image segmentation, Magnetic resonance imaging, Fuzzy logic, Brain, Image processing algorithms and systems, Computer simulations, 3D image processing, Magnetism, Neuroimaging, Tissues

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Proceedings Article | 15 May 2003 Paper

Skeleton-based 3D computer-aided detection of colonic polyps

Zigang Wang, Lihong Li, Xiang Li, Zhengrong Liang, Donald Harrington

Proceedings Volume 5032, (2003) https://doi.org/10.1117/12.481915

KEYWORDS: Colon, Image segmentation, Tissues, Computer aided diagnosis and therapy, Spherical lenses, Computed tomography, Expectation maximization algorithms, Virtual colonoscopy, Computer aided design, Convolution

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Proceedings Article | 9 May 2002 Paper

Toward an analytical solution for 3D SPECT reconstruction with nonuniform attenuation and distance-dependent resolution variation: a Monte Carlo simulation study

Hongbing Lu, Junhai Wen, Xiang Li, Tianfang Li, Guoping Han, Zhengrong Liang

Proceedings Volume 4684, (2002) https://doi.org/10.1117/12.467168

KEYWORDS: Signal attenuation, Single photon emission computed tomography, Reconstruction algorithms, Monte Carlo methods, Deconvolution, Sensors, Radon transform, Interference (communication), Electronic filtering, Filtering (signal processing)

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Proceedings Article | 9 May 2002 Paper

Automated segmentation method for the 3D ultrasound carotid image based on geometrically deformable model with automatic merge function

Xiang Li, Zigang Wang, Hongbing Lu, Zhengrong Liang

Proceedings Volume 4684, (2002) https://doi.org/10.1117/12.467111

KEYWORDS: Image segmentation, 3D image processing, 3D modeling, Ultrasonography, 3D displays, Image processing algorithms and systems, Computer simulations, Visualization, Surgery, Data modeling

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Proceedings Article | 3 May 2002 Paper

Analytical noise treatment for low-dose CT projection data by penalized weighted least-square smoothing in the K-L domain

Hongbing Lu, Xiang Li, Ing-Tsung Hsiao, Zhengrong Liang

Proceedings Volume 4682, (2002) https://doi.org/10.1117/12.465552

KEYWORDS: Smoothing, Computed tomography, Image filtering, Statistical analysis, Calibration, X-ray computed tomography, Data acquisition, Denoising, Image restoration, Nonlinear filtering

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Proceedings Article | 22 October 1993 Paper

Laser heterodyne profilometer with several improved techniques

Xiang Li, Jia Wang, Yang Zhao, Mang Cao, Dacheng Li

Proceedings Volume 2066, (1993) https://doi.org/10.1117/12.162104

KEYWORDS: Objectives, Optical testing, Heterodyning, Signal detection, Interferometers, Signal processing, Laser development, Optical design, Profilometers, Optical sensing

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Proceedings Article | 22 September 1993 Paper

Research on noncontact flatness measurement of magnetic disk with optical heterodyne interferometer

Yang Zhao, Jia Wang, Dacheng Li, Mang Cao, Xiang Li

Proceedings Volume 2101, (1993) https://doi.org/10.1117/12.156376

KEYWORDS: Interferometers, Magnetism, Heterodyning, Computing systems, Disk lasers, Head, Bragg cells, Lithium, Glasses, Moire patterns

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Showing 5 of 11 publications

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