Prof. Margarita Chevalier Profile

Prof. Margarita Chevalier

at Univ Complutense de Madrid

SPIE Involvement:

Author

Publications (22)

SPIE Journal Paper | 25 July 2024 Open Access

Open Access

Exploring single-shot propagation and speckle based phase recovery techniques for object thickness estimation by using a polychromatic X-ray laboratory source

Diego Rosich, Margarita Chevalier, Adrián Belarra, Tatiana Alieva

JMI, Vol. 11, Issue 04, 043501, (July 2024) https://doi.org/10.1117/12.10.1117/1.JMI.11.4.043501

KEYWORDS: X-rays, Phase recovery, Diffusers, Speckle, X-ray sources, Breast, Adipose tissue, Biological samples, Printing, Absorption

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Proceedings Article | 29 May 2024 Paper

Paper

Measuring effective attenuation coefficients of 3D printing materials for anthropomorphic breast phantoms

A. Belarra, M. Chevalier, J. Garayoa, I. Hernández-Girón, J. Valverde

Proceedings Volume 13174, 131741H (2024) https://doi.org/10.1117/12.3027031

KEYWORDS: X-rays, Attenuation, Breast, X-ray imaging, 3D printing, Monte Carlo methods, Imaging systems

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SPIE Journal Paper | 18 April 2023 Open Access

Open Access

Multi-vendor robustness analysis of a commercial artificial intelligence system for breast cancer detection

Mercedes Riveira-Martin, Alejandro Rodríguez-Ruiz, Robert Martí, Margarita Chevalier

JMI, Vol. 10, Issue 05, 051807, (April 2023) https://doi.org/10.1117/12.10.1117/1.JMI.10.5.051807

KEYWORDS: Artificial intelligence, Breast, Breast density, Mammography, Cancer detection, Breast cancer, Image quality, Intelligence systems, Cancer, Diagnostics

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Proceedings Article | 13 July 2022 Paper

Paper

Evaluation of an AI system designed for breast cancer detection

Mercedes Riveira-Martin, Alejandro Rodríguez-Ruiz, Margarita Chevalier

Proceedings Volume 12286, 1228610 (2022) https://doi.org/10.1117/12.2623686

KEYWORDS: Artificial intelligence, Breast, Mammography, Cancer, Diagnostics, Breast cancer, Statistical analysis, Evolutionary algorithms, Image processing

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Proceedings Article | 13 July 2022 Paper

Paper

Lesion detection in digital breast tomosynthesis: method, experiences and results of participating to the DBTex challenge

Robert Martí, Pablo del Campo, Joel Vidal, Xavier Cufí, Joan Martí, Margarita Chevalier, Jordi Freixenet

Proceedings Volume 12286, 122860W (2022) https://doi.org/10.1117/12.2625733

KEYWORDS: Digital breast tomosynthesis, Data modeling, Mammography, Breast, Computer aided diagnosis and therapy, Detection and tracking algorithms, Radiology, Image processing, Data conversion, Machine learning

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Proceedings Article | 22 May 2020 Paper

Paper

Experimental evaluation of the MGD for digital mammography and tomosynthesis estimated from patient exposures and using PMMA breast phantoms in Brazil

M. Nogueira, P. Squair, D. Gomes, C. Engler, D. Souza, M. R. Attie, S. Hwang, R. Silveira, C. Menezes, J. Peixoto, C. Almeida, C. Viloria, T. Silva, F. Leyton, L. Souza, M. Chevalier

Proceedings Volume 11513, 115132G (2020) https://doi.org/10.1117/12.2564132

KEYWORDS: Breast, Digital breast tomosynthesis, Polymethylmethacrylate, Mammography, X-rays, Digital mammography, Breast cancer, Sensors, Imaging systems, Tissues

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Proceedings Article | 22 May 2020 Paper

Paper

Overall performance, image quality, and dose, in computed radiology (CR) mammography systems operating in the Mexican public sector

María-Ester Brandan, César Ruiz-Trejo, Naxi Cansino, Juan-Carlos Cruz Hernández, Adriana Moreno-Ramírez, Jaime A. Rodriguez-López, Eduardo López-Pineda, Mario Gómez-Zepeda, Margarita Chevalier

Proceedings Volume 11513, 115131J (2020) https://doi.org/10.1117/12.2555602

KEYWORDS: Chromium, Polymethylmethacrylate, Breast, Quantum electronics

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Proceedings Article | 22 May 2020 Paper

Paper

Can AI serve as an independent second reader of mammograms? a simulation study

Alejandro Rodríguez-Ruiz, Kristina Lång, Albert Gubern-Merida, Mireille Broeders, Gisella Gennaro, Paola Clauser, Thomas Helbich, Thomas Mertelmeier, Margarita Chevalier, Matthew Wallis, Ingvar Andersson, Sophia Zackrisson, R. Mann, I. Sechopoulos

Proceedings Volume 11513, 115130O (2020) https://doi.org/10.1117/12.2564114

KEYWORDS: Artificial intelligence, Mammography, Databases, Cancer, Breast, Intelligence systems, Breast cancer, Evolutionary algorithms, Digital mammography, Oncology

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Proceedings Article | 22 May 2020 Paper

Paper

Relationship between compression force, pressure, and breast volume in breast tomosynthesis in Brazil

M. R. Attie, C. Engler, M. Chevalier, M. Nogueira

Proceedings Volume 11513, 115132D (2020) https://doi.org/10.1117/12.2564359

KEYWORDS: Breast, Image compression, Tissues, Mammography, Image quality, Digital breast tomosynthesis, Diagnostics, Breast cancer

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Proceedings Article | 22 May 2020 Paper

Paper

Comparison of breast doses for tomosynthesis estimated from patient exposures of four different DBT units models commercial in Brazil

C. Engler, M. Nogueira, L. Squair, I. Morais, D. Gomes, D. Souza, M. Attie, R. Correia, L. Souza, F. Leyton, M. Chevalier

Proceedings Volume 11513, 115132H (2020) https://doi.org/10.1117/12.2564271

KEYWORDS: Breast, Mammography, Digital breast tomosynthesis, Image compression, Breast cancer, Tissues, Image analysis, X-rays, Statistical analysis, Digital mammography

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Proceedings Article | 22 May 2020 Paper

Paper

First approach to estimate breast radiation dose in a DBT prone biopsy table

Lucas Paixão, Oliver Diaz, Margarita Chevalier

Proceedings Volume 11513, 115130H (2020) https://doi.org/10.1117/12.2564320

KEYWORDS: Breast, Biopsy, Digital breast tomosynthesis, Monte Carlo methods, Biological research, X-rays, Sensors, Target acquisition, X-ray detectors, Dielectrophoresis

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Proceedings Article | 22 May 2020 Paper

Paper

Dependence of the region of interest (ROI) on the evaluation of geometric distortion and ghost artifact-distortion in digital breast tomosynthesis

G. Cesário, L. Paixão, R. Carvalho, M. Chevalier, M. R. P. Attie, M. Nogueira, D. SOUZA

Proceedings Volume 11513, 115132L (2020) https://doi.org/10.1117/12.2564353

KEYWORDS: Distortion, Optical spheres, Digital breast tomosynthesis, Aluminum, Image analysis, Mammography, Composites, Breast, Polymethylmethacrylate, Image visualization

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Proceedings Article | 6 July 2018 Paper

Paper

Digital breast tomosynthesis: impact of a new beam quality on dose to patients

M. Chevalier, C. Viloria, P. Squair, M. S. Nogueira, O. Diaz

Proceedings Volume 10718, 107181M (2018) https://doi.org/10.1117/12.2317689

KEYWORDS: X-rays, Calibration, Rhodium, Silver

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Proceedings Article | 6 July 2018 Paper

Paper

Phantom-based comparison of microcalcification visibility between digital and synthetic mammography using humans and a deep neural network as observers

Maria Castillo-García, Alejandro Rodríguez-Ruiz, Joao Emilio Peixoto, Margarita Chevalier

Proceedings Volume 10718, 1071810 (2018) https://doi.org/10.1117/12.2318458

KEYWORDS: Manufacturing, Digital imaging

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Proceedings Article | 27 February 2018 Paper

Paper

Pectoral muscle segmentation in breast tomosynthesis with deep learning

Alejandro Rodriguez-Ruiz, Jonas Teuwen, Kaman Chung, Nico Karssemeijer, Margarita Chevalier, Albert Gubern-Merida, Ioannis Sechopoulos

Proceedings Volume 10575, 105752J (2018) https://doi.org/10.1117/12.2292920

KEYWORDS: Image segmentation, Digital breast tomosynthesis, Breast, Mammography, Systems modeling, Detection and tracking algorithms, Tissues, Convolutional neural networks, 3D modeling, Image processing algorithms and systems

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Proceedings Article | 3 March 2011 Paper

Paper

A software tool to compare contrast-detail detection in uniform and in real mammographic backgrounds

Gabriel Prieto, Margarita Chevalier, Eduardo Guibelalde

Proceedings Volume 7966, 79661D (2011) https://doi.org/10.1117/12.877460

KEYWORDS: Performance modeling, Mammography, Visual system, Visual process modeling, Algorithm development, Visualization, Data acquisition, Image analysis, Medical imaging, Signal attenuation

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Proceedings Article | 23 March 2010 Paper

Paper

A software tool to measure the geometric distortion in x-ray image systems

Gabriel Prieto, Eduardo Guibelalde, Margarita Chevalier

Proceedings Volume 7622, 76224R (2010) https://doi.org/10.1117/12.843961

KEYWORDS: Distortion, Optical inspection, Mammography, X-ray imaging, X-rays, Manufacturing, Algorithm development, Medical imaging, Systems modeling, Digital imaging

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Proceedings Article | 13 March 2009 Paper

Paper

Quality control evaluation of 37 liquid crystal displays used in diagnostic services

J. Morant, M. Chevalier, E. Guibelalde, M. Brandan

Proceedings Volume 7263, 72631K (2009) https://doi.org/10.1117/12.810955

KEYWORDS: LCDs, Visualization, Image quality standards, Calibration, Mammography, Image quality, Diagnostics, Visibility, Optical inspection, Distortion

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Proceedings Article | 17 March 2006 Paper

Paper

First validation of a new phantom for global quality control in digital mammography

H. Bosmans, K. Nijs, K. Young, F. Rogge, P. Morán, M. Chevalier, M. Borowski, R. van Engen, A. Taibi, J. Cook, Guy Marchal

Proceedings Volume 6146, 614612 (2006) https://doi.org/10.1117/12.655206

KEYWORDS: Digital mammography, Image analysis, Gold, Digital imaging, Prototyping, Image quality, Data processing, Sensors, X-rays, Medical imaging

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Proceedings Article | 1 February 1998 Paper

Paper

Digitally generated soft edges with predetermined luminance: an analysis of its influence on image degradation

Inmaculada Sanz, M. Calvo, Margarita Chevalier

Proceedings Volume 3346, (1998) https://doi.org/10.1117/12.301388

KEYWORDS: Digital imaging, Mathematical modeling, Visualization, Image compression, Image quality, Machine vision, Edge detection, Image segmentation, Algorithm development, Direct methods

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Proceedings Article | 1 August 1991 Paper

Paper

Theoretical approach to hyperacuity tests based on resolution criteria for two-line images

Pronab Mondal, Maria Calvo, Margarita Chevalier, Vasudevan Lakshminarayanan

Proceedings Volume 1429, (1991) https://doi.org/10.1117/12.44670

KEYWORDS: Visualization, Image resolution, Eye, Diffraction, Holography, Optical pattern recognition, Interferometry, Visual system, Visual optics, Visual analytics

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Proceedings Article | 1 July 1990 Paper

Paper

Resolution criterion and contrast factor for resolving two-line images under coherent and incoherent illumination

Pronab Mondal, Maria Calvo, Margarita Chevalier

Proceedings Volume 1319, (1990) https://doi.org/10.1117/12.34759

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Showing 5 of 22 publications

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