Dr. John Klock Profile

Dr. John Klock

at QT Imaging Inc

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 1 April 2024 Poster + Paper

Quantitative data analysis and multiparameter inversion of Biot wave data: insights from topology and geometry

James Wiskin, John Klock

Proceedings Volume 12932, 129321B (2024) https://doi.org/10.1117/12.3006543

KEYWORDS: 3D modeling, Bone, Image segmentation, Signal attenuation, Acoustic waves, Tissues, Data modeling, Voxels, 3D image processing, Wave propagation, 3D image reconstruction, Ultrasound tomography, Ultrasound transmission tomography, Breast cancer

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Proceedings Article | 1 April 2024 Poster + Paper

Realistic digital phantoms for prostate ultrasound and photoacoustic imaging

Yixuan Wu, Jacob Enders, Cheyenne Williams, Baichuan Jiang, James Wiskin, Michael Rothberg, Ayele Negussie, John Klock, Lindsey Hazen, Sheng Xu, Baris Turkbey, Peter Pinto, Bradford Wood, Emad Boctor

Proceedings Volume 12932, 129321D (2024) https://doi.org/10.1117/12.3006921

KEYWORDS: Prostate, Image segmentation, Ultrasonography, Magnetic resonance imaging, Bone, Acoustics, Tissues, Ultrasound transducers, Tissue optics, Photoacoustic imaging, Ultrasound tomography, Anatomy

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Proceedings Article | 4 April 2022 Presentation

Imaging of prostate cancer with 3D ultrasound tomography

James Wiskin, Jacob Enders, Cheyenne Williams, Ismail Turkbey, Michael Rothberg, Michael Daneshvar, Maria Merino, Sheng Xu, Emad Boctor, Yixuan Wu, Antoun Toubaji, Ayele Negussie, John Klock, Brad Wood, Peter Pinto

Proceedings Volume PC12038, PC1203809 (2022) https://doi.org/10.1117/12.2611811

KEYWORDS: Ultrasound tomography, 3D image processing, Prostate cancer, Prostate, Magnetic resonance imaging, Ultrasonography, Scanners, Refraction, Image resolution, Bone

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Proceedings Article | 4 April 2022 Presentation

High resolution segmentation of ductal, glandular and structural tissue: preliminary basis for collaboration with S. Love Foundation

James Wiskin, John Klock, Bilal Malik, Susan Love

Proceedings Volume PC12038, PC1203808 (2022) https://doi.org/10.1117/12.2612630

KEYWORDS: Tissues, Breast, 3D metrology, Visualization, Ultrasound tomography, Fuzzy logic

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Proceedings Article | 15 February 2021 Presentation

Mammographic density, 2D vs 3D methods: quantitative analysis of difference

James Wiskin, John Klock, Martin Cwikla, Sanghyeb Lee, Bilal Malik

Proceedings Volume 11602, 116020E (2021) https://doi.org/10.1117/12.2581964

KEYWORDS: Quantitative analysis, Breast, Tissues, Magnetic resonance imaging, Breast cancer, Ultrasound tomography, Tumor growth modeling, Superposition, Mammography

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Proceedings Article | 15 February 2021 Presentation + Paper

Analysis of timing results for 3D inverse scattering using transmission ultrasound

J. Wiskin, M. Cwikla, J. Klock

Proceedings Volume 11602, 116020G (2021) https://doi.org/10.1117/12.2581995

KEYWORDS: Inverse scattering, Breast, Ultrasonography, Reconstruction algorithms, Image quality, Ultrasound tomography, Ionizing radiation

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Proceedings Article | 16 March 2020 Paper

Orthopedic and myopathic imaging with transmission ultrasound tomography: experimental verification, quantitative accuracy and clinical implications

James Wiskin, Bilal Malik, Veena Theendakara, John Klock

Proceedings Volume 11319, 113190W (2020) https://doi.org/10.1117/12.2549759

KEYWORDS: Tissues, Ultrasonography, Magnetic resonance imaging, Scanners, Cartilage, Image segmentation, Skin, Bone, Breast

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Proceedings Article | 16 March 2020 Paper

Limited view reconstructions with transmission ultrasound tomography: clinical implications and quantitative accuracy

James Wiskin, Bilal Malik, Nasser Pirshafiey, John Klock

Proceedings Volume 11319, 113190V (2020) https://doi.org/10.1117/12.2549704

KEYWORDS: Breast, Ultrasonography, Ultrasound tomography, Tomography, Scanners, Tissues, Data acquisition, Orthopedic imaging, Image quality, Medical devices

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Proceedings Article | 15 March 2019 Presentation

3D inverse scattering in wholebody ultrasound applications (Conference Presentation)

Mark Lenox, John Klock, Cathy Ruoff, Nasser Pirshaifey, Robin Terry, Bilal Malik, James Wiskin

Proceedings Volume 10955, 1095511 (2019) https://doi.org/10.1117/12.2512575

KEYWORDS: Ultrasonography, Inverse scattering, 3D applications, Tissues, Imaging devices, Computed tomography, Image quality, Magnetic resonance imaging, Signal to noise ratio, Diagnostics

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Proceedings Article | 15 March 2019 Presentation

3D full inverse scattering ultrasound tomography of the human knee (Conference Presentation)

James Wiskin, Bilal Malik, Rajni Natesan, Nasser Pirshafiey, John Klock, Mark Lenox

Proceedings Volume 10955, 109550K (2019) https://doi.org/10.1117/12.2512595

KEYWORDS: Inverse scattering, Ultrasound tomography, Tissues, 3D image processing, Breast, Bone, Reconstruction algorithms, Ultrasonography, Refraction, Ultrasound reflection tomography

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Proceedings Article | 2 May 2017 Presentation

Quantitative 3D high resolution transmission ultrasound tomography: creating clinically relevant images (Conference Presentation)

James Wiskin, John Klock, Elaine Iuanow, Dave Borup, Robin Terry, Bilal Malik, Mark Lenox

Proceedings Volume 10139, 101390Y (2017) https://doi.org/10.1117/12.2254639

KEYWORDS: Breast imaging, Reconstruction algorithms, 3D image processing, Ultrasound tomography, Inverse scattering, Ultrasonography, Image resolution, 3D metrology, Spatial resolution, Breast

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Showing 5 of 11 publications

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