Ms. Leening P. Liu Profile

Leening P. Liu

at Univ of Pennsylvania

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 3 April 2024 Poster

PixelPrint: generating patient-specific phantoms for spectral CT using dual filament 3D printing

Pouyan Pasyar, Jessica Im, Kai Mei, Leening Liu, Olivia Sandvold, Michael Geagan, Peter Noël

Proceedings Volume 12925, 1292527 (2024) https://doi.org/10.1117/12.3006512

KEYWORDS: 3D printing, Computed tomography, Scanners, Lung, Tissues, Spectral response, Spectral density, Printing, Materials properties, Education and training

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Proceedings Article | 1 April 2024 Poster + Paper

Dual-source photon-counting CT: impact of residual cross-scatter on quantitative spectral results

Leening Liu, Edgar Salazar, Pooyan Sahbaee, Harold Litt, Peter Noël

Proceedings Volume 12925, 129252N (2024) https://doi.org/10.1117/12.3006109

KEYWORDS: Collimation, Iodine, Photon counting, Computed tomography, Image quality

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Proceedings Article | 7 April 2023 Poster + Paper

Development of a spatial-spectral phantom for evaluation of vascular CT imaging

Martin Rybertt, Leening Liu, Pouyan Pasyar, Nadav Shapira, Harold Litt, Peter Noël

Proceedings Volume 12463, 124631Z (2023) https://doi.org/10.1117/12.2651307

KEYWORDS: Iodine, Spatial resolution, Computed tomography, Diagnostics, Cardiovascular disorders, Scanners, Arteries, X-ray computed tomography, Spectral density, Design and modelling, Photon counting, Spectral computed tomography

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Proceedings Article | 7 April 2023 Poster + Paper

First-generation clinical dual-source photon-counting CT: quantitative and ultra-high-resolution spectral imaging

Lisa Heck, Leening Liu, Pouyan Pasyar, Kai Mei, Julia Herzen, Harold Litt, Peter Noël

Proceedings Volume 12463, 1246320 (2023) https://doi.org/10.1117/12.2651439

KEYWORDS: Iodine, Lung, Medical image reconstruction, Visualization, Spatial resolution, X-ray computed tomography, Diagnostics, Computed tomography

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Proceedings Article | 7 April 2023 Presentation + Paper

Spectral CT thermometry with improved temperature sensitivity for image-guided thermal ablation

Leening Liu, Rizza Pua, Derick Rosario-Berrios, Olivia Sandvold, Kevin Brown, Grace Gang, Michael Soulen, Nadav Shapira, Peter Noël

Proceedings Volume 12463, 124630P (2023) https://doi.org/10.1117/12.2649111

KEYWORDS: Denoising, Thermometry, Ablation, Computed tomography, Tumors

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Proceedings Article | 18 October 2022 Open Access

PixelPrint: three-dimensional printing of patient-specific soft tissue and bone phantoms for CT

Kai Mei, Michael Geagan, Nadav Shapira, Leening Liu, Pouyan Pasyar, Grace Gang, J. Webster Stayman, Peter Noël

Proceedings Volume 12304, 123042G (2022) https://doi.org/10.1117/12.2647008

KEYWORDS: X-ray computed tomography, Computed tomography, Bone, 3D printing, Printing, Tissues, Calibration, Signal attenuation, Scanners, Collimation

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Proceedings Article | 18 October 2022 Open Access

Non-invasive real-time thermometry via spectral CT physical density quantifications

Nadav Shapira, Leening Liu, Rizza Pua, Derick Rosario, Johoon Kim, David Cormode, Gregory Nadolski, Matthew Hung, Michael Soulen, Peter Noël

Proceedings Volume 12304, 1230404 (2022) https://doi.org/10.1117/12.2647018

KEYWORDS: Thermometry, Computed tomography, Liver, Liver cancer, X-rays

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Proceedings Article | 18 October 2022 Open Access

Mixed coronary plaque characterization with the first clinical dual-source photon-counting CT scanner: a phantom study

Thomas Wesley Holmes, Leening Liu, Nadav Shapira, Elliot McVeigh, Harold Litt, Amir Pourmorteza, Peter Noël

Proceedings Volume 12304, 123041U (2022) https://doi.org/10.1117/12.2647009

KEYWORDS: Computed tomography, Scanners, Image quality standards, Spatial resolution, Image resolution, CT reconstruction, Image quality, Reconstruction algorithms, Radiology, Model-based design, Photon counting

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Proceedings Article | 18 October 2022 Open Access

Dual-source photon-counting CT: consistency in spectral results at different acquisition modes and heart rates

Leening Liu, Nadav Shapira, Pooyan Sahbaee, Harold Litt, Marcus Chen, Peter Noël

Proceedings Volume 12304, 123040I (2022) https://doi.org/10.1117/12.2646718

KEYWORDS: Spectral computed tomography, Photon counting, Heart, Iodine, X-ray computed tomography, Computed tomography, Radiology

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Proceedings Article | 4 April 2022 Presentation + Paper

Real-time spectral CT thermometry via physical density for image-guided tumor ablation

Leening Liu, Matthew Hung, Michael Soulen, Peter Noël, Nadav Shapira

Proceedings Volume 12031, 120311B (2022) https://doi.org/10.1117/12.2608743

KEYWORDS: Temperature metrology, Thermometry, Tissues, Computed tomography, Tumors, Safety, X-ray computed tomography

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Proceedings Article | 15 February 2021 Presentation + Paper

Dual-contrast decomposition of dual-energy CT using convolutional neural networks

Nadav Shapira, Wenchao Cao, Leening Liu, Tim Leiner, Maarten L. Smits, Peter Noël

Proceedings Volume 11595, 115951D (2021) https://doi.org/10.1117/12.2581333

KEYWORDS: Convolutional neural networks, Liver, Computed tomography, Network architectures, Magnetic resonance imaging, Iodine, Gadolinium, Feature extraction, Diagnostics, Computer simulations

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