Dr. Nicolas Karakatsanis Profile

Dr. Nicolas Karakatsanis

Postdoctoral Research Associate

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Publications (3)

Proceedings Article | 19 March 2014 Paper

Towards continualized task-based resolution modeling in PET imaging

Saeed Ashrafinia, Nicolas Karakatsanis, Hassan Mohy-ud-Din, Arman Rahmim

Proceedings Volume 9033, 903327 (2014) https://doi.org/10.1117/12.2043973

KEYWORDS: Point spread functions, Signal to noise ratio, Positron emission tomography, Image resolution, Tumors, Signal detection, Image filtering, Lung, Tumor growth modeling, Interference (communication)

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Proceedings Article | 19 March 2014 Paper

Whole-body PET parametric imaging employing direct 4D nested reconstruction and a generalized non-linear Patlak model

Nicolas Karakatsanis, Arman Rahmim

Proceedings Volume 9033, 90330Y (2014) https://doi.org/10.1117/12.2043918

KEYWORDS: Reconstruction algorithms, Positron emission tomography, Data modeling, Signal to noise ratio, Tumors, Image quality standards, Image enhancement, Blood, 3D modeling, Algorithm development

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Proceedings Article | 13 March 2014 Paper

Parametric myocardial perfusion PET imaging using physiological clustering

Hassan Mohy-ud-Din, Nikolaos Karakatsanis, Martin Lodge, Jing Tang, Arman Rahmim

Proceedings Volume 9038, 90380P (2014) https://doi.org/10.1117/12.2043947

KEYWORDS: Positron emission tomography, Blood, Tissues, Arteries, Signal to noise ratio, Physiology, Image processing, Spatial resolution, Image resolution, Reconstruction algorithms

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