Dr. Youzuo Lin Profile

Dr. Youzuo Lin

Scientist

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Publications (14)

Proceedings Article | 1 April 2024 Poster + Paper

Fast and accurate MEG source localization using deep learning

Hanchen Wang, Shihang Feng, Qian Zhang, Young Jin Kim, Igor Savukov, Lan Yang, Youzuo Lin

Proceedings Volume 12925, 129254E (2024) https://doi.org/10.1117/12.3006914

KEYWORDS: Magnetoencephalography, Brain, Source localization, Deep learning, Neuroimaging, Magnetism, Data modeling, Performance modeling, Inverse problems, Neural networks

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Proceedings Article | 1 April 2024 Presentation + Paper

Learned measurement correction for simplified acoustic forward models in ultrasound computed tomography

Luke Lozenski, Hanchen Wang, Brendt Wohlberg, Umberto Villa, Youzuo Lin

Proceedings Volume 12932, 129320I (2024) https://doi.org/10.1117/12.3006948

KEYWORDS: Image restoration, Machine learning, Data corrections, Acoustics, Physics, Computed tomography, Ultrasound tomography

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Proceedings Article | 1 April 2024 Presentation + Paper

BrainPuzzle: a new data-driven method for ultrasound brain imaging

Shengyu Chen, Shihang Fang, Yi Luo, Xiaowei Jia, Youzuo Lin

Proceedings Volume 12932, 129320X (2024) https://doi.org/10.1117/12.3006779

KEYWORDS: Brain, Neuroimaging, Ultrasonography, Image restoration, Brain imaging, Skull, Brain tissue, Image processing, Data modeling, Ultrasound transducers

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Proceedings Article | 7 April 2023 Presentation + Paper

Data driven methods for ultrasound computed tomography

Luke Lozenski, Hanchen Wang, Brendt Wohlberg, Umberto Villa, Youzuo Lin

Proceedings Volume 12463, 124630Q (2023) https://doi.org/10.1117/12.2654442

KEYWORDS: Image restoration, Breast, Ultrasonography, Breast density, Machine learning, Computed tomography, Acoustics, Imaging systems

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Proceedings Article | 22 March 2016 Paper

Breast ultrasound tomography with two parallel transducer arrays

Lianjie Huang, Junseob Shin, Ting Chen, Youzuo Lin, Kai Gao, Miranda Intrator, Kenneth Hanson

Proceedings Volume 9783, 97830C (2016) https://doi.org/10.1117/12.2216531

KEYWORDS: Ultrasonography, Ultrasound tomography, Breast, Transducers, Breast cancer, Data acquisition, Tomography, Algorithm development, Signal attenuation, Design for manufacturability, Prototyping, Mammography, In vivo imaging

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Proceedings Article | 22 March 2016 Paper

Ultrasound waveform tomography with the second-order total-generalized-variation regularization

Youzuo Lin, Lianjie Huang

Proceedings Volume 9783, 978356 (2016) https://doi.org/10.1117/12.2216422

KEYWORDS: Ultrasonography, Tomography, Breast, Breast cancer, Tissues, Ultrasound tomography, Transducers, Optical imaging, Tissue optics, Magnetic resonance imaging, Tumors, Data acquisition, Inverse problems, Medical imaging, Physics

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Proceedings Article | 17 March 2015 Paper

Ultrasound bent-ray tomography with a modified total-variation regularization scheme

Miranda Intrator, Youzuo Lin, Ting Chen, Junseob Shin, Lianjie Huang

Proceedings Volume 9419, 941917 (2015) https://doi.org/10.1117/12.2082192

KEYWORDS: Tumors, Tomography, Ultrasonography, Breast, Diagnostics, Tissues, Image quality, Transducers, Inverse problems, Reconstruction algorithms

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Proceedings Article | 17 March 2015 Paper

Breast ultrasound tomography with two parallel transducer arrays: preliminary clinical results

Lianjie Huang, Junseob Shin, Ting Chen, Youzuo Lin, Miranda Intrator, Kenneth Hanson, Katherine Epstein, Daniel Sandoval, Michael Williamson

Proceedings Volume 9419, 941916 (2015) https://doi.org/10.1117/12.2082404

KEYWORDS: Ultrasonography, Transducers, Breast, Ultrasound tomography, Imaging systems, Data acquisition, Tomography, Prototyping, Mammography, Breast cancer

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Proceedings Article | 20 March 2014 Paper

Breast ultrasound waveform tomography: using both transmission and reflection data, and numerical virtual point sources

Lianjie Huang, Youzuo Lin, Zhigang Zhang, Yassin Labyed, Sirui Tan, Nghia Nguyen, Kenneth Hanson, Daniel Sandoval, Michael Williamson

Proceedings Volume 9040, 90400T (2014) https://doi.org/10.1117/12.2043136

KEYWORDS: Ultrasonography, Transducers, Breast, Tomography, Data acquisition, Reflection, Ultrasound tomography, Virtual point source, Cancer, Tumors

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Ultrasound transmission tomography usually generates low-resolution breast images. We improve sound-speed reconstructions using ultrasound waveform tomography with both transmission and reflection data. We validate the improvement using computer-generated synthetic-aperture ultrasound transmission and reflection data for numerical breast phantoms. Our tomography results demonstrate that using both transmission and reflection data in ultrasound waveform tomography greatly enhances the resolution and accuracy of tomographic reconstructions compared to ultrasound waveform tomography using either transmission data or reflection data alone. To verify the capability of our novel ultrasound waveform tomography, we design and manufacture a new synthetic-aperture breast ultrasound tomography system with two parallel transducer arrays for clinical studies. The distance of the two transducer arrays is adjustable for accommodating different sizes of the breast. The parallel transducer arrays also allow us to easily scan the axillary region to evaluate the status of axillary lymph nodes and detect breast cancer in the axillary region. However, synthetic-aperture ultrasound reflection data acquired by firing each transducer element sequentially are usually much weaker than transmission data, and have much lower signal-to-noise ratios than the latter. We develop a numerical virtual-point-source method to enhance ultrasound reflection data using synthetic-aperture ultrasound data acquired by firing each transducer element sequentially. Synthetic-aperture ultrasound reflection data for a breast phantom obtained using our numerical virtual-point-source method reveals many coherent ultrasound reflection waveforms that are weak or invisible in the original synthetic-aperture ultrasound data. Ultrasound waveform tomography using both transmission and reflection data together with numerical virtual-point-source method has great potential to produce high-resolution tomographic reconstructions in clinical studies of breast ultrasound tomography.

Proceedings Article | 20 March 2014 Paper

Ultrasound waveform tomography with a spatially variant regularization scheme

Youzuo Lin, Lianjie Huang

Proceedings Volume 9040, 90401M (2014) https://doi.org/10.1117/12.2043110

KEYWORDS: Ultrasonography, Tomography, Tumors, Breast, Transducers, Tissues, Inverse problems, Ultrasound tomography, Compressed sensing, Medical imaging

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Proceedings Article | 29 March 2013 Paper

Ultrasound waveform tomography with a modified total-variation regularization scheme

Youzuo Lin, Lianjie Huang

Proceedings Volume 8675, 86751F (2013) https://doi.org/10.1117/12.2007650

KEYWORDS: Ultrasonography, Tomography, Tumors, Breast, Ultrasound tomography, Transducers, Breast cancer, Cancer, Optimization (mathematics), Iterative methods

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Proceedings Article | 25 February 2012 Paper

Detection of breast microcalcifications using synthetic-aperture ultrasound

Lianjie Huang, Yassin Labyed, Youzuo Lin, Zhigang Zhang, Jennifer Pohl, Daniel Sandoval, Michael Williamson

Proceedings Volume 8320, 83200H (2012) https://doi.org/10.1117/12.910656

KEYWORDS: Ultrasonography, Breast, Mammography, Imaging systems, In vivo imaging, Glasses, Optical spheres, Tissues, Target detection, Image resolution

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Proceedings Article | 24 February 2012 Paper

Efficient implementation of ultrasound waveform tomography using source encoding

Zhigang Zhang, Lianjie Huang, Youzuo Lin

Proceedings Volume 8320, 832003 (2012) https://doi.org/10.1117/12.910969

KEYWORDS: Tomography, Ultrasonography, Computer programming, Transducers, Tumors, Computed tomography, Ultrasound tomography, Wave propagation, Breast, Computing systems

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Proceedings Article | 24 February 2012 Paper

Ultrasound waveform tomography with the total-variation regularization for detection of small breast tumors

Youzuo Lin, Lianjie Huang, Zhigang Zhang

Proceedings Volume 8320, 832002 (2012) https://doi.org/10.1117/12.910765

KEYWORDS: Breast, Tumors, Ultrasonography, Tomography, Transducers, Ultrasound tomography, Phased arrays, Computed tomography, Wave propagation, Data modeling

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Showing 5 of 14 publications

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