Dr. Dongqing Chen Profile

Dr. Dongqing Chen

Senior Research Scientist at Viatronix Inc

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Author

Publications (19)

Proceedings Article | 10 March 2006 Paper

Dual modality virtual colonoscopy workstation: design, implementation, and preliminary evaluation

Dongqing Chen, Michael Meissner

Proceedings Volume 6141, 614104 (2006) https://doi.org/10.1117/12.652221

KEYWORDS: Colon, Virtual colonoscopy, Image segmentation, Magnetic resonance imaging, 3D vision, 3D image processing, Volume rendering, Tissues, 3D modeling, Visualization

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Proceedings Article | 14 April 2005 Paper

A feasibility study on laxative-free bowel preparation for virtual colonoscopy

Zhengrong Liang, Dongqing Chen, Mark Wax, Sarang Lakare, Lihong Li, Joseph Anderson, Arie Kaufman, Donald Harrington

Proceedings Volume 5746, (2005) https://doi.org/10.1117/12.597357

KEYWORDS: Colon, Computed tomography, Virtual colonoscopy, 3D modeling, Image acquisition, Image segmentation, Endoscopy, Liquids, 3D image processing, Image resolution

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Proceedings Article | 14 April 2005 Paper

A pilot study on less-stressful bowel preparation for virtual colonoscopy screening with follow-up biopsy by optical colonoscopy

Zhengrong Liang, Sarang Lakare, Mark Wax, Dongqing Chen, Lihong Li, Joseph Anderson, Arie Kaufman, Donald Harrington

Proceedings Volume 5746, (2005) https://doi.org/10.1117/12.597437

KEYWORDS: Virtual colonoscopy, Colon, Computed tomography, Image segmentation, Biopsy, Magnesium, 3D modeling, Tablets, Barium, Image processing algorithms and systems

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Proceedings Article | 5 May 2004 Paper

Accelerating virtual surgery simulation for congenital aural atresia

Bin Li, Zigang Wang, Eric Smouha, Dongqing Chen, Zhengrong Liang

Proceedings Volume 5367, (2004) https://doi.org/10.1117/12.535689

KEYWORDS: Surgery, Ear, Bone, Image segmentation, Visualization, RGB color model, Virtual reality, Image quality, 3D modeling, Computed tomography

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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

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 | 2 May 2003 Paper

Robust colon residue detection using vector-quantization-based classification for virtual colonoscopy

Sarang Lakare, Dongqing Chen, Lihong Li, Arie Kaufman, Mark Wax, Zhengrong Liang

Proceedings Volume 5031, (2003) https://doi.org/10.1117/12.480410

KEYWORDS: Colon, Virtual colonoscopy, Quantization, Computed tomography, Tissues, Image segmentation, 3D modeling, Colorectal cancer, 3D image processing, Cancer

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Proceedings Article | 24 April 2002 Paper

Electronic colon cleansing using segmentation rays for virtual colonoscopy

Sarang Lakare, Dongqing Chen, Lihong Li, Arie Kaufman, Zhengrong Liang

Proceedings Volume 4683, (2002) https://doi.org/10.1117/12.463608

KEYWORDS: Colon, Image segmentation, Virtual colonoscopy, Computed tomography, Cancer, Abdomen, Tissues, Colorectal cancer, Bone, Reconstruction algorithms

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Proceedings Article | 24 April 2002 Paper

Image segmentation approach to extract colon lumen through colonic material tagging and hidden Markov random field model for virtual colonoscopy

Lihong Li, Dongqing Chen, Sarang Lakare, Kevin Kreeger, Ingmar Bitter, Arie Kaufman, Mark Wax, Petar Djuric, Zhengrong Liang

Proceedings Volume 4683, (2002) https://doi.org/10.1117/12.463607

KEYWORDS: Colon, Image segmentation, Expectation maximization algorithms, Virtual colonoscopy, Computed tomography, Tissues, Magnetorheological finishing, Colorectal cancer, Medical imaging, Tumor growth modeling

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Proceedings Article | 3 July 2001 Paper

Combined transformation of ordering SPECT sinograms for signal extraction from measurements with Poisson noise

Hongbing Lu, Dongqing Chen, Lihong Li, Guoping Han, Zhengrong Liang

Proceedings Volume 4322, (2001) https://doi.org/10.1117/12.430968

KEYWORDS: Signal to noise ratio, Interference (communication), Single photon emission computed tomography, Electronic filtering, Digital filtering, Image filtering, Filtering (signal processing), Denoising, Data modeling, Smoothing

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Proceedings Article | 3 July 2001 Paper

Segmentation of brain MR images: a self-adaptive online vector quantization approach

Lihong Li, Dongqing Chen, Hongbing Lu, Zhengrong Liang

Proceedings Volume 4322, (2001) https://doi.org/10.1117/12.431024

KEYWORDS: Image segmentation, Magnetic resonance imaging, Brain, Quantization, Image processing algorithms and systems, Neuroimaging, Data modeling, Tissues, Principal component analysis, Feature extraction

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Proceedings Article | 3 July 2001 Paper

Renormalization method for inhomogeneity correction of MR images

Dongqing Chen, Lihong Li, Daeki Yoon, J. Lee, Zhengrong Liang

Proceedings Volume 4322, (2001) https://doi.org/10.1117/12.430967

KEYWORDS: Magnetic resonance imaging, Neck, Tissues, Magnetism, Neuroimaging, Brain, Algorithms, Scanners, Roentgenium, Filtering (signal processing)

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Proceedings Article | 21 May 2001 Paper

New method for quantitative analysis of multiple scelerosis using MR images

Dongqing Chen, Wei Huang, C. Christodoulou, Lihong Li, Huayuan Qian, Lauren Krupp, Zhengrong Liang

Proceedings Volume 4321, (2001) https://doi.org/10.1117/12.428160

KEYWORDS: Image segmentation, Brain, Magnetic resonance imaging, Tissues, Neuroimaging, Quantitative analysis, Image processing algorithms and systems, 3D image processing, Image registration, 3D metrology

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Proceedings Article | 6 June 2000 Paper

Tree-branch-searching multiresolution approach to skeletonization for virtual endoscopy

Dongqing Chen, Bin Li, Zhengrong Liang, Ming Wan, Arie Kaufman, Mark Wax

Proceedings Volume 3979, (2000) https://doi.org/10.1117/12.387735

KEYWORDS: Colon, Endoscopy, Binary data, Virtual colonoscopy, Discrete wavelet transforms, 3D image processing, 3D modeling, Lung, Visualization, Computed tomography

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Proceedings Article | 20 April 2000 Paper

3D virtual colonoscopy with real-time volume rendering

Ming Wan, Wei Li, Kevin Kreeger, Ingmar Bitter, Arie Kaufman, Zhengrong Liang, Dongqing Chen, Mark Wax

Proceedings Volume 3978, (2000) https://doi.org/10.1117/12.383395

KEYWORDS: Colon, Virtual colonoscopy, Volume rendering, Visualization, Cameras, 3D modeling, Image quality, 3D image processing, Computer simulations, Light sources and illumination

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Proceedings Article | 20 April 2000 Paper

Multiscan MRI-based virtual cystoscopy

Dongqing Chen, Bin Li, Wei Huang, Zach Liang

Proceedings Volume 3978, (2000) https://doi.org/10.1117/12.383393

KEYWORDS: Bladder, Magnetic resonance imaging, Virtual colonoscopy, Image segmentation, Virtual cystoscopy, Tissues, Bladder cancer, Tumors, Visualization, Rectum

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Proceedings Article | 18 April 2000 Paper

Computer-aided surgical planning for congenital aural atresia

Bin Li, Dongqing Chen, Eric Smouha, Zhengrong Liang

Proceedings Volume 3976, (2000) https://doi.org/10.1117/12.383065

KEYWORDS: Bone, Surgery, Ear, Image segmentation, Visualization, Computed tomography, Tissues, Nerve, Prototyping, 3D modeling

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Proceedings Article | 20 May 1999 Paper

Segmentation of colon lumen for virtual colonoscopy

Zach Liang, Dongqing Chen, Rui Chiou, Bin Li, Arie Kaufman, Mark Wax

Proceedings Volume 3660, (1999) https://doi.org/10.1117/12.349597

KEYWORDS: Colon, Image segmentation, Virtual colonoscopy, Computed tomography, Image enhancement, Magnetic resonance imaging, Cancer, Colorectal cancer, Bone, Algorithm development

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Proceedings Article | 20 May 1999 Paper

Volume segmentation and rendering of mixtures of materials for virtual colonoscopy

Rui Chiou, Dongqing Chen, Zhengrong Liang, Arie Kaufman

Proceedings Volume 3660, (1999) https://doi.org/10.1117/12.349582

KEYWORDS: Volume rendering, Image segmentation, Opacity, Colon, Virtual colonoscopy, Visualization, Associative arrays, Bone, Tissues, Endoscopy

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Showing 5 of 19 publications

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