Dr. Gopal B. Avinash Profile

Dr. Gopal B. Avinash

Research Engineer

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Publications (12)

Proceedings Article | 13 March 2014 Paper

Cortical thinning in cognitively normal elderly cohort of 60 to 89 year old from AIBL database and vulnerable brain areas

Zhongmin Lin, Gopal Avinash, Litao Yan, Kathryn McMillan

Proceedings Volume 9038, 90381P (2014) https://doi.org/10.1117/12.2043101

KEYWORDS: Brain, Positron emission tomography, Visualization, Sensors, Dementia, Databases, Alzheimer's disease, Neuroimaging, Magnetic resonance imaging, Cerebral cortex

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Proceedings Article | 13 March 2014 Paper

Longitudinal MR cortical thinning of individuals and its correlation with PET metabolic reduction: a measurement consistency and correctness studies

Zhongmin Lin, Gopal Avinash, Kathryn McMillan, Litao Yan, Satoshi Minoshima

Proceedings Volume 9038, 90380A (2014) https://doi.org/10.1117/12.2043060

KEYWORDS: Brain, Positron emission tomography, Magnetic resonance imaging, Neuroimaging, Alzheimer's disease, Visualization, Dementia, Brain mapping, Mode conditioning cables, Spatial resolution

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Proceedings Article | 29 March 2013 Paper

Quantitative measurement of MR cortical atrophy: MR brain surface intensity model (BSIM) and group and individual cortical thinning studies

Zhongmin Lin, Gopal Avinash, Kathryn McMillan, Litao Yan, Saad Sirohey, Satoshi Minoshima

Proceedings Volume 8672, 86720E (2013) https://doi.org/10.1117/12.2006474

KEYWORDS: Brain, Image segmentation, Neuroimaging, Magnetic resonance imaging, 3D modeling, Control systems, Brain mapping, Alzheimer's disease, Skull, Databases

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Proceedings Article | 28 March 2007 Paper

3D view weighted cone-beam backprojection reconstruction for digital tomosynthesis

Baojun Li, Gopal Avinash, Bernhard Claus, Stephen Metz

Proceedings Volume 6510, 65104X (2007) https://doi.org/10.1117/12.708084

KEYWORDS: X-rays, 3D vision, Sensors, Chest, Reconstruction algorithms, X-ray sources, 3D image processing, X-ray imaging, Tomography, 3D image reconstruction

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Proceedings Article | 19 March 2007 Paper

Point spread function based classification of regions for linear digital tomosynthesis

Kenny Israni, Gopal Avinash, Baojun Li

Proceedings Volume 6510, 651050 (2007) https://doi.org/10.1117/12.709493

KEYWORDS: Point spread functions, Reconstruction algorithms, Gold, Image classification, Optical spheres, 3D image processing, Computer simulations, 3D image reconstruction, 3D acquisition, X-ray imaging

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Proceedings Article | 17 March 2007 Paper

Effect of acquisition parameters on image quality in digital tomosynthesis

Timothy Deller, Kadri Jabri, John Sabol, Xianfeng Ni, Gopal Avinash, Rowland Saunders, Renuka Uppaluri

Proceedings Volume 6510, 65101L (2007) https://doi.org/10.1117/12.713777

KEYWORDS: Image quality, Image resolution, Modulation transfer functions, Sensors, Signal to noise ratio, Radiography, Chest, Medical imaging, Digital imaging, X-rays

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Proceedings Article | 13 March 2007 Paper

Resolution and noise trade-off analysis for volumetric CT

Baojun Li, Swetha Nandyala, Gopal Avinash, Jiang Hsieh

Proceedings Volume 6510, 65101X (2007) https://doi.org/10.1117/12.708087

KEYWORDS: Spatial resolution, Modulation transfer functions, Optical spheres, Image filtering, Signal to noise ratio, Spherical lenses, Digital filtering, Smoothing, Denoising, Sensors

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Proceedings Article | 2 March 2006 Paper

Characterization of point spread function in linear digital tomosynthesis: a simulation study

Gopal Avinash, Kenny Israni, Baojun Li

Proceedings Volume 6142, 614258 (2006) https://doi.org/10.1117/12.655331

KEYWORDS: Point spread functions, Sensors, Reconstruction algorithms, Digital x-ray imaging, X-rays, Tomography, X-ray imaging, Digital imaging, Detection and tracking algorithms, Image resolution

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Proceedings Article | 5 June 2003 Paper

Novel method for automated determination of the cancellation parameter in dual-energy imaging: evaluation using anthropomorphic phantom images

John Sabol, Gopal Avinash

Proceedings Volume 5030, (2003) https://doi.org/10.1117/12.480195

KEYWORDS: Tissues, Bone, Dual energy imaging, Lung, Algorithm development, Chest, Radiography, Imaging systems, X-rays, Chest imaging

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Proceedings Article | 9 May 2002 Paper

Effective dose reduction in dual-energy flat panel x-ray imaging: technique and clinical evaluation

Gopal Avinash, Kadri Jabri, Renuka Uppaluri, Amber Rader, Frank Fischbach, Jens Ricke, Ulf Teichgraeber

Proceedings Volume 4684, (2002) https://doi.org/10.1117/12.467060

KEYWORDS: Image filtering, Image quality, Image processing, Radiography, Image segmentation, Denoising, Bone, Chromium, Chest, Tissues

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Proceedings Article | 3 July 2001 Paper

Semiautomatic bone removal technique from CT angiography data

Abdal Alyassin, Gopal Avinash

Proceedings Volume 4322, (2001) https://doi.org/10.1117/12.431005

KEYWORDS: Bone, Image segmentation, Visualization, Blood vessels, Composites, Computed tomography, Image processing, 3D visualizations, Tissues, Angiography

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Proceedings Article | 28 June 2001 Paper

Development and characterization of a dual-energy subtraction imaging system for chest radiography based on CsI:Tl amorphous silicon flat-panel technology

John Sabol, Gopal Avinash, Francois Nicolas, Bernhard Claus, Jianguo Zhao, James Dobbins

Proceedings Volume 4320, (2001) https://doi.org/10.1117/12.430897

KEYWORDS: Tissues, Dual energy imaging, Bone, Imaging systems, Chest, Aluminum, Prototyping, Radiography, Image quality, Electroluminescence

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Showing 5 of 12 publications

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