Dr. Benjamín Castañeda Profile

Dr. Benjamín Castañeda

Full Professor at Pontificia Univ Católica del Perú

SPIE Involvement:

Author

Publications (28)

Proceedings Article | 28 July 2023 Paper

Paper

Registration of thermal 3D models over time using low cost and portable devices

Evelyn Gutierrez, Benjamín Castañeda, Sylvie Treuillet

Proceedings Volume 12749, 127491C (2023) https://doi.org/10.1117/12.3000628

KEYWORDS: 3D modeling, Thermal modeling, Thermography, 3D image processing, 3D acquisition, Infrared cameras, Temperature metrology, Cameras, Infrared imaging

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Proceedings Article | 6 March 2023 Paper

Paper

Automatic detection of lung ultrasound artifacts using a deep neural networks approach

Carlos Vasquez, Stefano Romero, Jose Zapana, Jesus Paucar, Thomas Marini, Benjamin Castaneda

Proceedings Volume 12567, 1256713 (2023) https://doi.org/10.1117/12.2670456

KEYWORDS: Ultrasonography, Lung, Video, Image segmentation, Neural networks, COVID 19, Machine learning

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Proceedings Article | 6 March 2023 Paper

Paper

Development of an acquisition system to monitoring asynchronous tele-ultrasound for lung patients

Esteban Avilés, Carlos Zegarra, Francis Reyes, Benjamin Castaneda, Stefano Romero

Proceedings Volume 12567, 125670Z (2023) https://doi.org/10.1117/12.2670097

KEYWORDS: Ultrasonography, Lung, Video, Accelerometers, Ultrasound transducers, Imaging systems, Optical flow, Cameras, Windows, Transducers

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Proceedings Article | 6 March 2023 Paper

Paper

Assessment of panoramic ultrasound reconstruction imaging using telemedicine equipment: a phantom experiment

Stefano Romero, Naomi Guevara, Ximena Montoya, Benjamin Castaneda

Proceedings Volume 12567, 125670V (2023) https://doi.org/10.1117/12.2670069

KEYWORDS: Ultrasonography, Image restoration, Video, Telemedicine, Image processing, Transducers, Image transmission, Ultrasound transducers

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Proceedings Article | 6 March 2023 Paper

Paper

A simulation study to compare shear wave speed estimators of the reverberant shear wave elastography approach

Stefano Romero, Adriana Romero, Johanni Bohorquez, Andrea Zaharia, Valeria Zavaleta, Pierol Quispe, Edmundo Miranda, Benjamin Castaneda

Proceedings Volume 12567, 125671F (2023) https://doi.org/10.1117/12.2670391

KEYWORDS: Elastography, Deep learning, Vibration, Medical imaging, Image segmentation

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Proceedings Article | 6 March 2023 Paper

Paper

Monitoring of lung ultrasound acquisition using volume sweep imaging protocol

Naomi Guevara, Ximena Montoya, Rodrigo Alarcón, Benjamin Castaneda, Stefano Romero

Proceedings Volume 12567, 1256711 (2023) https://doi.org/10.1117/12.2670172

KEYWORDS: Lung, Detection and tracking algorithms, Video, Ultrasonography, Algorithm development, Transducers, Chest imaging, Pulmonary disorders

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Proceedings Article | 15 February 2021 Presentation + Paper

Presentation + Paper

Automatic fetal presentation diagnosis from ultrasound images for rural zones: head location as an indicator for fetal presentation

Junior Arroyo, Ana Saavedra, Lorena Tamayo, Miguel Egoavil, Berta Ramos, Benjamin Castaneda

Proceedings Volume 11597, 1159718 (2021) https://doi.org/10.1117/12.2580946

KEYWORDS: Fetus, Head, Ultrasonography, Binary data, Skull, Scanners, Medical imaging, Image segmentation, Image filtering, Gold

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Proceedings Article | 15 February 2021 Presentation + Paper

Presentation + Paper

Combined thermal and color 3D model for wound evaluation from handheld devices

Evelyn Gutierrez, Benjamin Castañeda, Sylvie Treuillet, Yves Lucas

Proceedings Volume 11601, 1160108 (2021) https://doi.org/10.1117/12.2580669

KEYWORDS: 3D modeling, Thermal modeling, Instrument modeling, 3D image processing, 3D acquisition, Motion models, Visualization, Visual process modeling, Image segmentation, Tablets

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Proceedings Article | 3 November 2020 Paper

Paper

Bidimensional analysis of reverberant shear wave elastography with multiple aleatory mini-surface sources: simulation study

Aldo Tecse, Stefano Romero, Gilmer Flores, Benjamin Castaneda

Proceedings Volume 11583, 115830V (2020) https://doi.org/10.1117/12.2579774

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Proceedings Article | 3 January 2020 Paper

Paper

A novel portable device for crawling waves sonoelastography: experimental study

Pedro Ancajima, Stefano Romero, Eduardo Gonzalez, Benjamín Castañeda

Proceedings Volume 11330, 113300U (2020) https://doi.org/10.1117/12.2542483

KEYWORDS: Elastography, Ultrasonography, Transducers, Actuators, Tissues, In vivo imaging

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Proceedings Article | 3 January 2020 Paper

Paper

Validation of high-frequency ultrasound crawling waves sonoelastography

Aldo Tecse, Stefano Romero, Ana Saavedra, Benjamin Castaneda

Proceedings Volume 11330, 113300V (2020) https://doi.org/10.1117/12.2542609

KEYWORDS: Ultrasonography, Skin, Elastography, Melanoma, Signal attenuation

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Proceedings Article | 7 March 2018 Paper

Paper

Breast elastography: Identification of benign and malignant cancer based on absolute elastic modulus measurement using vibro-elastography

Junior Arroyo, Ana Cecilia Saavedra, Jorge Guerrero, Pilar Montenegro, Jorge Aguilar, Joseph Pinto, Julio Lobo, Tim Salcudean, Roberto Lavarello, Benjamín Castañeda

Proceedings Volume 10577, 105771E (2018) https://doi.org/10.1117/12.2293664

KEYWORDS: Breast, Cancer, Elastography, Tissues, Breast cancer, Biopsy, Ultrasonography, Tumors

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Proceedings Article | 6 March 2018 Paper

Paper

B-line detection using amplitude modulation-frequency modulation (AM-FM) features

Gustavo Chau, Gabriela Mamani, Edmundo Pozo Fortunić, Sergio Serpa, Omar Zenteno, Dante Ramos, Gilberto Peña, Gilma Fredes, Elizabeth Chura, Eduardo Ticona, Haley Manella, Viveta Lobo, Jeremy Dahl, Benjamín Castañeda, Roberto Lavarello

Proceedings Volume 10580, 105800B (2018) https://doi.org/10.1117/12.2285224

KEYWORDS: Ultrasonography, Image segmentation, Lung

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Proceedings Article | 2 March 2018 Paper

Paper

Automatic lung ultrasound B-line recognition in pediatric populations for the detection of pneumonia

G. Eche, O. Zenteno, B. Castaneda

Proceedings Volume 10574, 1057422 (2018) https://doi.org/10.1117/12.2293902

KEYWORDS: Ultrasonography, Video, Lung, Principal component analysis, Statistical analysis, Feature extraction, Image processing, X-rays, Scanners, Visualization

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Proceedings Article | 26 January 2017 Paper

Paper

A comparative study between parallel and normal excitation for crawling wave sonoelastography

Stefano Romero, Eduardo Gonzalez, Roberto Lavarello, Benjamin Castañeda

Proceedings Volume 10160, 101601G (2017) https://doi.org/10.1117/12.2256816

KEYWORDS: Tissues, Photoemission spectroscopy, Surface plasmons, Natural surfaces, Signal to noise ratio, Head, In vivo imaging, Transducers, Mechanical engineering

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Proceedings Article | 22 December 2015 Paper

Paper

An explorative childhood pneumonia analysis based on ultrasonic imaging texture features

Omar Zenteno, Kristians Diaz, Roberto Lavarello, Mirko Zimic, Malena Correa, Holger Mayta, Cynthia Anticona, Monica Pajuelo, Richard Oberhelman, William Checkley, Robert Gilman, Dante Figueroa, Benjamín Castañeda

Proceedings Volume 9681, 968112 (2015) https://doi.org/10.1117/12.2207944

KEYWORDS: Ultrasonography, Lung, Statistical analysis, Chest imaging, Principal component analysis, Medicine, Feature extraction, Video, Computed tomography, Image classification

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SPIE Journal Paper | 29 July 2015

Methodology to study the three-dimensional spatial distribution of prostate cancer and their dependence on clinical parameters

Kristians Diaz Rojas, Maria Montero, Jorge Yao, Edward Messing, Anees Fazili, Jean Joseph, Yangming Ou, Deborah Rubens, Kevin Parker, Christos Davatzikos, Benjamín Castañeda

JMI, Vol. 2, Issue 03, 037502, (July 2015) https://doi.org/10.1117/12.10.1117/1.JMI.2.3.037502

KEYWORDS: Prostate, Prostate cancer, Cancer, Databases, Tumors, 3D modeling, Biopsy, 3D image processing, Pathology, Image segmentation

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Proceedings Article | 20 March 2015 Paper

Paper

Automatic breast density classification using a convolutional neural network architecture search procedure

Pablo Fonseca, Julio Mendoza, Jacques Wainer, Jose Ferrer, Joseph Pinto, Jorge Guerrero, Benjamin Castaneda

Proceedings Volume 9414, 941428 (2015) https://doi.org/10.1117/12.2081576

KEYWORDS: Breast, Mammography, Feature extraction, Breast cancer, Cancer, Databases, Visualization, Tissues, Computer aided diagnosis and therapy, Convolutional neural networks

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Proceedings Article | 17 March 2015 Paper

Paper

Characterization of breast density in women from Lima, Peru

Fanny Casado, Susan Manrique, Jorge Guerrero, Joseph Pinto, Jose Ferrer, Benjamin Castaneda

Proceedings Volume 9416, 94161B (2015) https://doi.org/10.1117/12.2082348

KEYWORDS: Breast, Mammography, Breast cancer, Databases, Tissues, Genetics, Statistical analysis, Radiology, Therapeutics, X-rays

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Proceedings Article | 28 January 2015 Paper

Paper

Experimental assessment of an automatic breast density classification algorithm based on principal component analysis applied to histogram data

Antonio Angulo, Jose Ferrer, Joseph Pinto, Roberto Lavarello, Jorge Guerrero, Benjamín Castaneda

Proceedings Volume 9287, 92870E (2015) https://doi.org/10.1117/12.2072467

KEYWORDS: Breast, Mammography, Databases, Principal component analysis, Breast cancer, Image segmentation, Digital mammography, Neodymium, Cancer, Image classification

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Proceedings Article | 28 January 2015 Paper

Paper

Low-cost uncalibrated video-based tool for tridimensional reconstruction oriented to assessment of chronic wounds

Leslie Casas, Sylvie Treuillet, Braulio Valencia, Alejandro Llanos, Benjamín Castañeda

Proceedings Volume 9287, 928711 (2015) https://doi.org/10.1117/12.2070999

KEYWORDS: Video, Clouds, Cameras, 3D modeling, Reconstruction algorithms, Skin, Laser scanners, 3D scanning, Sensors, Wound healing

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Proceedings Article | 29 March 2013 Paper

Paper

Analysis of the spatial distribution of prostate cancer obtained from histopathological images

Kristians Diaz, Benjamin Castaneda, Maria Luisa Montero, Jorge Yao, Jean Joseph, Deborah Rubens, Kevin Parker

Proceedings Volume 8676, 86760V (2013) https://doi.org/10.1117/12.2006959

KEYWORDS: Prostate, Prostate cancer, Tumors, Cancer, 3D modeling, Image segmentation, Biopsy, Statistical analysis, Databases, 3D image processing

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Proceedings Article | 13 March 2010 Paper

Paper

Development of an acquisition protocol and a segmentation algortihm for wounds of cutaneous Leishmaniasis in digital images

Kristians Diaz, Benjamín Castañeda, César Miranda, Roberto Lavarello, Alejandro Llanos

Proceedings Volume 7623, 76234L (2010) https://doi.org/10.1117/12.844534

KEYWORDS: Image segmentation, Skin, Algorithm development, RGB color model, Image processing algorithms and systems, Injuries, Mathematical morphology, Light sources and illumination, Cameras, Image acquisition

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Proceedings Article | 14 March 2009 Paper

Paper

Prostate cancer detection using crawling wave sonoelastography

Benjamin Castaneda, Liwei An, Shuang Wu, Laurie Baxter, Jorge Yao, Jean Joseph, Kenneth Hoyt, John Strang, Deborah Rubens, Kevin Parker

Proceedings Volume 7265, 726513 (2009) https://doi.org/10.1117/12.811720

KEYWORDS: Tissues, Cancer, Prostate, Prostate cancer, Image processing, Signal to noise ratio, Image filtering, Signal attenuation, Ultrasonography, Digital filtering

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Proceedings Article | 26 March 2008 Paper

Paper

Semi-automated segmentation of the prostate gland boundary in ultrasound images using a machine learning approach

Kristians Diaz, Benjamin Castaneda

Proceedings Volume 6914, 69144A (2008) https://doi.org/10.1117/12.770965

KEYWORDS: Image segmentation, Prostate, 3D image processing, Ultrasonography, Image processing algorithms and systems, Machine learning, Image filtering, Binary data, Image classification, Skin cancer

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Proceedings Article | 10 March 2008 Paper

Paper

Measurement of thermally ablated lesions in sonoelastographic images using level set methods

Benjamin Castaneda, Jose Gerardo Tamez-Pena, Man Zhang, Kenneth Hoyt, Kevin Bylund, Jared Christensen, Wael Saad, John Strang, Deborah Rubens, Kevin Parker

Proceedings Volume 6920, 692018 (2008) https://doi.org/10.1117/12.770811

KEYWORDS: Image segmentation, Image processing algorithms and systems, Liver, Radiofrequency ablation, Pathology, In vivo imaging, Image processing, Interfaces, Tissues, Computer simulations

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Proceedings Article | 6 March 2008 Paper

Paper

An automated system for the analysis of peri-prosthetic osteolysis progression

Jose Tamez-Pena, Monica Barbu-McInnis, S. Kubilay Pakin, Benjamin Castaneda, Saara Totterman, R. John Looney

Proceedings Volume 6917, 691718 (2008) https://doi.org/10.1117/12.770715

KEYWORDS: Image segmentation, Bone, Computed tomography, Detection and tracking algorithms, Computing systems, Statistical analysis, Image processing algorithms and systems, 3D modeling, Metals, Tissues

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Proceedings Article | 13 March 2006 Paper

Paper

Measurement of pelvic osteolytic lesions in follow-up studies after total hip arthroplasty

Benjamin Castaneda, Jose Tamez-Pena, Saara Totterman, Regis O'Keefe, R. John Looney

Proceedings Volume 6143, 614323 (2006) https://doi.org/10.1117/12.652874

KEYWORDS: Image segmentation, Computed tomography, Image registration, Bone, Error analysis, Tomography, Interfaces, 3D metrology, Animal model studies, Volume rendering

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Showing 5 of 28 publications

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