Dr. Dirk R. Padfield Profile

Dr. Dirk R. Padfield

at GE Research

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Author

Publications (10)

Proceedings Article | 20 March 2015 Paper

FIST: a fast interactive segmentation technique

Dirk Padfield, Rahul Bhotika, Alexander Natanzon

Proceedings Volume 9413, 941317 (2015) https://doi.org/10.1117/12.2082011

KEYWORDS: Image segmentation, Image processing algorithms and systems, Lung, Medical imaging, Computed tomography, Magnetic resonance imaging, 3D image processing, Image processing, 3D metrology, Brain

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Proceedings Article | 20 March 2015 Paper

A fast and memory efficient stationary wavelet transform for 3D cell segmentation

Dirk Padfield

Proceedings Volume 9413, 94133C (2015) https://doi.org/10.1117/12.2081001

KEYWORDS: Wavelets, Image segmentation, Convolution, Stationary wavelet transform, Image processing algorithms and systems, Confocal microscopy, 3D image processing, 3D acquisition, Image processing, Chemical elements

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Proceedings Article | 13 March 2013 Paper

An automated algorithm for cell-level FISH dot counting

Yousef Al-Kofahi, Dirk Padfield, Antti Seppo

Proceedings Volume 8669, 866903 (2013) https://doi.org/10.1117/12.2006546

KEYWORDS: Image segmentation, Image processing algorithms and systems, Wavelets, Detection and tracking algorithms, Image processing, Breast cancer, 3D image processing, Receptors, Tumors, Luminescence

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Proceedings Article | 25 February 2012 Paper

Model-based coupled denoising and segmentation of medical images

Ahmet Tuysuzoglu, Paulo Mendonca, Dirk Padfield

Proceedings Volume 8320, 83200B (2012) https://doi.org/10.1117/12.912618

KEYWORDS: Image segmentation, Medical imaging, Ultrasonography, Binary data, Arteries, Radon, Optimization (mathematics), Statistical modeling, Denoising, Medical research

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Proceedings Article | 24 February 2012 Paper

Learning-based scan plane identification from fetal head ultrasound images

Xiaoming Liu, Pavan Annangi, Mithun Gupta, Bing Yu, Dirk Padfield, Jyotirmoy Banerjee, Kajoli Krishnan

Proceedings Volume 8320, 83200A (2012) https://doi.org/10.1117/12.911516

KEYWORDS: Head, Ultrasonography, Visual process modeling, Shape analysis, Algorithm development, Composites, Image processing, Machine vision, Computer vision technology, Fetus

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Proceedings Article | 27 March 2009 Paper

Validation tools for image segmentation

Dirk Padfield, James Ross

Proceedings Volume 7259, 72594W (2009) https://doi.org/10.1117/12.812470

KEYWORDS: Image segmentation, Tumors, Brain, Image processing algorithms and systems, Algorithm development, Scanning probe lithography, Statistical analysis, Neuroimaging, Magnetic resonance imaging, Image analysis

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Proceedings Article | 13 October 2006 Paper

Image enhancement for phase shift analysis sensors

Gil Abramovich, Kevin Harding, Ralph Isaacs, Matthew Radebach, Kevin Kenny, Zhaohui Sun, Joe Ross, Ming Jia, Li Tao, Guiju Song, Jianming Zheng, Martha Gardner, Dirk Padfield

Proceedings Volume 6382, 63820Q (2006) https://doi.org/10.1117/12.686354

KEYWORDS: Detection and tracking algorithms, Gaussian filters, Image enhancement, Phase shifts, Image filtering, Sensors, Image analysis, Edge detection, Anisotropic filtering, Speckle

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Proceedings Article | 20 March 2006 Paper

Adaptive conductance filtering for spatially varying noise in PET images

Dirk Padfield, Ravindra Manjeshwar

Proceedings Volume 6144, 61446N (2006) https://doi.org/10.1117/12.654243

KEYWORDS: Image filtering, Digital filtering, Gaussian filters, Positron emission tomography, Lung, Liver, Smoothing, Signal to noise ratio, Image quality, Anisotropic filtering

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Proceedings Article | 21 February 2006 Paper

Segmentation of prostate cancer tissue microarray images

Harvey Cline, Ali Can, Dirk Padfield

Proceedings Volume 6088, 60880R (2006) https://doi.org/10.1117/12.643180

KEYWORDS: Tissues, Image segmentation, RGB color model, Prostate cancer, Cancer, Pathology, Image processing algorithms and systems, Image processing, Prostate, Expectation maximization algorithms

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Proceedings Article | 2 May 2003 Paper

Integrated bronchoscopic video tracking and 3D CT registration for virtual bronchoscopy

William Higgins, James Helferty, Dirk Padfield

Proceedings Volume 5031, (2003) https://doi.org/10.1117/12.483825

KEYWORDS: Video, Video processing, Bronchoscopy, Computed tomography, 3D image processing, Image registration, Optical tracking, Detection and tracking algorithms, Electroluminescent displays, Biopsy

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Showing 5 of 10 publications

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