Dr. Srinivasan Vedantham Profile

Dr. Srinivasan Vedantham

Professor, Department of Medical Imaging at University of Arizona

SPIE Involvement:

Author

Publications (20)

SPIE Journal Paper | 15 May 2024

Maximizing microcalcification detectability in low-dose dedicated cone-beam breast CT: parallel cascades-based theoretical analysis

Thomas Larsen, Hsin Wu Tseng, Rachawadee Trinate, Zhiyang Fu, Jing-Tzyh Alan Chiang, Andrew Karellas, Srinivasan Vedantham

JMI, Vol. 11, Issue 03, 033501, (May 2024) https://doi.org/10.1117/12.10.1117/1.JMI.11.3.033501

KEYWORDS: X-rays, Scintillators, Tunable filters, Modulation transfer functions, Copper, Breast, Photons, Optical filters, X-ray imaging, Imaging systems

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Proceedings Article | 18 October 2022 Open Access

Angular normalized glandular dose coefficient in breast CT: clinical data study

Hsin Wu Tseng, Andrew Karellas, Srinivasan Vedantham

Proceedings Volume 12304, 123040Q (2022) https://doi.org/10.1117/12.2646683

KEYWORDS: Breast, Tissues, X-ray sources, X-ray computed tomography, Mathematical modeling, X-rays, Monte Carlo methods

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Proceedings Article | 14 September 2017 Paper

Scintillator performance considerations for dedicated breast computed tomography

Srinivasan Vedantham, Linxi Shi, Andrew Karellas

Proceedings Volume 10393, 103930M (2017) https://doi.org/10.1117/12.2279225

KEYWORDS: Scintillators, Breast, Computed tomography, Breast cancer, Sensors, Performance modeling, X-ray detectors

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Proceedings Article | 7 September 2017 Paper

A framework for optimizing micro-CT in dual-modality micro-CT/XFCT small-animal imaging system

Srinivasan Vedantham, Suman Shrestha, Andrew Karellas, Sang Hyun Cho

Proceedings Volume 10393, 103930R (2017) https://doi.org/10.1117/12.2279351

KEYWORDS: Imaging systems, Computed tomography, X-ray fluorescence spectroscopy, X-ray computed tomography

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SPIE Journal Paper | 27 September 2016 Open Access

Effects of breast density and compression on normal breast tissue hemodynamics through breast tomosynthesis guided near-infrared spectral tomography

Kelly Michaelsen, Venkataramanan Krishnaswamy, Linxi Shi, Srinivasan Vedantham, Andrew Karellas, Brian Pogue, Keith Paulsen, Steven Poplack

JBO, Vol. 21, Issue 09, 091316, (September 2016) https://doi.org/10.1117/12.10.1117/1.JBO.21.9.091316

KEYWORDS: Breast, Tissue optics, Digital breast tomosynthesis, Oxygen, Tissues, Image compression, Imaging systems, Scattering, Sensors, Hemodynamics

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Proceedings Article | 5 April 2016 Paper

Library-based scatter correction for dedicated cone beam breast CT: a feasibility study

Linxi Shi, Srinivasan Vedantham, Andrew Karellas, Lei Zhu

Proceedings Volume 9783, 978330 (2016) https://doi.org/10.1117/12.2217327

KEYWORDS: Breast, Monte Carlo methods, X-ray computed tomography, Computer simulations, Image quality, Photons, X-ray imaging, Visibility, Computed tomography, Image processing, Mammography, Breast cancer

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Proceedings Article | 5 June 2003 Paper

New design of a structured CsI(Tl) screen for digital mammography

Vivek Nagarkar, Sameer Tipnis, Valeriy Gaysinskiy, Stuart Miller, Andrew Karellas, Srinivasan Vedantham

Proceedings Volume 5030, (2003) https://doi.org/10.1117/12.480249

KEYWORDS: X-rays, Spatial resolution, Imaging systems, Digital mammography, Modulation transfer functions, Sensors, X-ray imaging, Spatial frequencies, Digital imaging, Signal to noise ratio

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Proceedings Article | 5 June 2003 Paper

Theoretical and empirical characterization of the physical characteristics of a clinical digital mammography system

Sankararaman Suryanarayanan, Andrew Karellas, Srinivasan Vedantham, Hetal Ved, Carl D'Orsi

Proceedings Volume 5030, (2003) https://doi.org/10.1117/12.480230

KEYWORDS: Modulation transfer functions, Digital mammography, X-rays, Sensors, Scintillators, Computing systems, Quantum efficiency, Photodiodes, Signal detection, Signal processing

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Proceedings Article | 22 May 2003 Paper

Evaluation of detection in compressed digital mammograms using numerical observers

Sankararaman Suryanarayanan, Andrew Karellas, Srinivasan Vedantham, Hetal Ved, Carl D'Orsi

Proceedings Volume 5034, (2003) https://doi.org/10.1117/12.480363

KEYWORDS: Image compression, Mammography, Digital mammography, Image filtering, Eye, Digital imaging, Medical imaging, Eye models, Performance modeling, Data storage

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Proceedings Article | 3 May 2002 Paper

Investigation of optimal kVp settings for CT mammography using a flat-panel imager

Stephen Glick, Srinivasan Vedantham, Andrew Karellas

Proceedings Volume 4682, (2002) https://doi.org/10.1117/12.465581

KEYWORDS: Signal to noise ratio, Mammography, Breast, Imaging systems, Sensors, X-rays, Modulation transfer functions, Scintillators, Tumor growth modeling, Digital mammography

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Proceedings Article | 12 April 2002 Paper

Screen film versus digital mammography: a perceptual analysis of postprocessed hard copy images

Sankararaman Suryanarayanan, Andrew Karellas, Srinivasan Vedantham, Hetal Ved, Carl D'Orsi

Proceedings Volume 4686, (2002) https://doi.org/10.1117/12.462692

KEYWORDS: Digital mammography, Imaging systems, Data modeling, Signal to noise ratio, Signal detection, Error analysis, Sensors, Modulation transfer functions, X-ray imaging

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Proceedings Article | 24 July 1998 Paper

Detection characterization of Cd1-xZnxTe detectors for x-ray linear arrays

George Giakos, Srinivasan Vedantham, Sankararaman Suryanarayanan, Samir Chowdhury, Ravi Guntupalli, J. Odogba, Amlan Dasgupta, Bindu Pillai, Robert Endorf

Proceedings Volume 3336, (1998) https://doi.org/10.1117/12.317056

KEYWORDS: Sensors, Signal to noise ratio, Modulation transfer functions, X-ray detectors, X-rays, Electric field sensors, Spatial resolution, Tellurium, Semiconductors, X-ray characterization

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