Dr. Krishnamoorthy Subramanyan Profile

Dr. Krishnamoorthy Subramanyan

3D Imaging Specialist

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Author

Publications (16)

Proceedings Article | 29 March 2007 Paper

Toward computer-aided emphysema quantification on ultralow-dose CT: reproducibility of ventrodorsal gravity effect measurement and correction

Rafael Wiemker, Roland Opfer, Thomas Bülow, Patrik Rogalla, Amnon Steinberg, Ekta Dharaiya, Krishna Subramanyan

Proceedings Volume 6514, 65140O (2007) https://doi.org/10.1117/12.705868

KEYWORDS: Lung, Emphysema, Computed tomography, X-ray computed tomography, Signal attenuation, Tissues, Image segmentation, X-rays, Statistical analysis, Computer aided diagnosis and therapy

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Proceedings Article | 2 March 2007 Paper

Automatic whole heart segmentation in CT images: method and validation

Olivier Ecabert, Jochen Peters, Matthew Walker, Jens von Berg, Cristian Lorenz, Mani Vembar, Mark Olszewski, Jürgen Weese

Proceedings Volume 6512, 65120G (2007) https://doi.org/10.1117/12.705853

KEYWORDS: Image segmentation, Heart, Computed tomography, 3D modeling, Target detection, Error analysis, Arteries, Affine motion model, Medical imaging, 3D image processing

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Proceedings Article | 15 March 2006 Paper

Creation of three-dimensional craniofacial standards from CBCT images

Krishna Subramanyan, Martin Palomo, Mark Hans

Proceedings Volume 6144, 61444Z (2006) https://doi.org/10.1117/12.653565

KEYWORDS: 3D imaging standards, 3D image processing, Standards development, Tissues, X-rays, Natural surfaces, Computed tomography, X-ray imaging, Medicine, Stereoscopy

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Proceedings Article | 13 March 2006 Paper

Quantitative analysis of vascular dimension and plaque composition in coronary multidetector computed tomography images

Mark Olszewski, Andreas Wahle, Mani Vembar, Les Ciancibello, Arthur Kerner, Rafael Beyar, Eduard Ghersin, Krishna Subramanyan, Milan Sonka

Proceedings Volume 6143, 614308 (2006) https://doi.org/10.1117/12.657992

KEYWORDS: Intravascular ultrasound, Image segmentation, Computed tomography, Epoxies, Quantitative analysis, Arteries, Visualization, Calibration, Algorithm development, Tissues

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Proceedings Article | 29 April 2005 Paper

A radial adaptive filter for metal artifact reduction

Matthieu Bal, Hasan Celik, Krishna Subramanyan, Kai Eck, Lothar Spies

Proceedings Volume 5747, (2005) https://doi.org/10.1117/12.593095

KEYWORDS: Metals, Digital filtering, Image filtering, Image fusion, Gaussian filters, Computed tomography, Spatial resolution, Neuroimaging, Brain, Tissues

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Proceedings Article | 29 April 2005 Paper

Vessel addition using fuzzy technique in CT angiography

Luduan Zhang, Krishna Subramanyan

Proceedings Volume 5747, (2005) https://doi.org/10.1117/12.595822

KEYWORDS: Bone, Angiography, Image registration, Computed tomography, Image segmentation, Volume rendering, Fuzzy logic, Visualization, Algorithm development, Vascular diseases

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Proceedings Article | 14 April 2005 Paper

A study investigating automated quantitative analyses of coronary multidetector computed tomography images

Mark Olszewski, Andreas Wahle, Divya Khullar, Krishna Subramanyan, Milan Sonka

Proceedings Volume 5746, (2005) https://doi.org/10.1117/12.599774

KEYWORDS: Image segmentation, Computed tomography, Arteries, Scanners, Computer programming, Heart, Quantitative analysis, Image analysis, In vivo imaging, Computer simulations

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Proceedings Article | 6 April 2005 Paper

Evaluation of a noise-reduction contrast-enhancement algorithm for CT cardiac angiography

Divya Khullar, Krishna Subramanyan, Peter Johnson

Proceedings Volume 5749, (2005) https://doi.org/10.1117/12.596236

KEYWORDS: Image filtering, Spatial resolution, Computed tomography, Image resolution, Angiography, Image quality, Image enhancement, Digital filtering, Modulation, Optical filters

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Proceedings Article | 12 May 2004 Paper

Simultaneous extraction of centerlines, stenosis, and thrombus detection in renal CT angiography

Krishna Subramanyan, Jacob Durgan, Thomas Hodgkiss, Shalabh Chandra

Proceedings Volume 5370, (2004) https://doi.org/10.1117/12.532264

KEYWORDS: Arteries, Computed tomography, Angiography, Image processing, Image segmentation, Bone, Blood circulation, Scanners, Tissues, Transform theory

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Proceedings Article | 4 May 2004 Paper

Full width at half maximum as a measure of vessel diameter in computed tomography angiography

Jay Varma, Krishna Subramanyan, Jacob Durgan

Proceedings Volume 5372, (2004) https://doi.org/10.1117/12.535642

KEYWORDS: Computed tomography, Angiography, Blood vessels, Scanners, Image processing, Iodine, Image segmentation, Bone, Statistical analysis, Spatial resolution

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Proceedings Article | 30 May 2003 Paper

Semi-automatic procedure to extract Couinaud liver segments from multislice CT data

Jay Varma, Jacob Durgan, Krishna Subramanyan

Proceedings Volume 5029, (2003) https://doi.org/10.1117/12.479786

KEYWORDS: Liver, Image segmentation, Image processing, Surgery, Computed tomography, 3D displays, Transplantation, Software development, 3D image processing, Tissues

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Proceedings Article | 15 May 2003 Paper

Automatic aortic vessel tree extraction and thrombus detection in multislice CT

Krishna Subramanyan, Melinda Steinmiller, Diana Sifri, Daniel Boll

Proceedings Volume 5032, (2003) https://doi.org/10.1117/12.483542

KEYWORDS: Computed tomography, Blood circulation, 3D image processing, Patents, Image processing, Transform theory, Scanners, Blood, Volume rendering, Arteries

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Proceedings Article | 9 May 2002 Paper

Automatic vessel extraction and abdominal aortic stent planning in multislice CT

Krishna Subramanyan, Dava Smith, Jay Varma, Shalabh Chandra

Proceedings Volume 4684, (2002) https://doi.org/10.1117/12.467072

KEYWORDS: Computed tomography, Image processing, Scanners, Prototyping, 3D image processing, Image enhancement, 3D displays, 3D acquisition, Angiography, Medical imaging

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Proceedings Article | 26 June 1998 Paper

Accuracy and precision of 3D cephalometric landmarks from biorthogonal plain-film x rays

David Dean, Martin Palomo, Krishna Subramanyan, Mark Hans, B. Broadbent, Alexander Moullas, Omar Macaraeg

Proceedings Volume 3335, (1998) https://doi.org/10.1117/12.312532

KEYWORDS: Skull, X-rays, Head, 3D image processing, Radiography, Reliability, 3D metrology, Spine, 3D displays, X-ray sources

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Proceedings Article | 25 April 1997 Paper

New 3D Bolton standards: coregistration of biplane x rays and 3D CT

David Dean, Krishna Subramanyan, Eun-Kyung Kim

Proceedings Volume 3034, (1997) https://doi.org/10.1117/12.274141

KEYWORDS: Head, 3D image processing, X-ray computed tomography, 3D imaging standards, X-rays, Skull, Image fusion, Image segmentation, X-ray imaging, Surgery

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Proceedings Article | 16 April 1996 Paper

Scanned bi-orthogonal radiographs as a source for 3D cephalometric data

Krishna Subramanyan, David Dean

Proceedings Volume 2710, (1996) https://doi.org/10.1117/12.237976

KEYWORDS: Head, 3D image processing, X-rays, Image compression, 3D imaging standards, Image quality standards, Calibration, Image contrast enhancement, Feature extraction, Wavelets

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Showing 5 of 16 publications

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