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Improving PET Quantitation with Denoising, Motion Compensation, and Deblurring

September 15, 2017

This article was published in the Nuclear & Plasma Sciences Society newsletter of September 2017

Positron emission tomography (PET) enables 3D visualization of vital physiological information, e.g., metabolism, blood flow, and neuroreceptor concentration by using targeted radioisotope-labeled tracers. Quantitative interpretation of PET images is crucial both in diagnostic and therapeutic contexts. As a result of its unique functional capabilities, PET imaging plays a pivotal role in diagnostics and in therapeutic assessment in...

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Our group won the first place in the CAMELYON17 grand challenge

April 18, 2017

Digital pathology, is a new, rapidly expanding field in medical imaging in which whole-slide scanners are used to digitise glass slides at high resolution (up to 160nm per pixel). The availability of whole-slide images (WSI) has garnered the interest of the medical image analysis community, resulting in increasing numbers of publications on histopathologic image analysis.

Whole-slide images are generally stored in a multi-resolution pyramid structure. Image files contain multiple down-sampled versions of the original image. Each image in the...

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American Association of Physicists in Medicine Award

September 23, 2016

Congratulations to Quanzheng Li, PhD and Kyungsang Kim, PhD, who won the Low Dose CT Grand Challenge, hosted by the American Association of Physicists in Medicine (AAPM). Their algorithm achieved the best diagnostic performance on common low-dose patient CT datasets, among the participating teams from 26 countries. They presented their work and were presented the award at the annual conference of AAPM.

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IEEE-NPSS Early Achievement Award for outstanding achievement

November 13, 2015

Quanzheng Li, Ph.D., received the IEEE-NPSS Early Achievement Award for outstanding achievement to the field of medical imaging science, "for contributions to the development of a MAP framework for iterative image reconstruction on static, dynamic, parametric and TOF PET, and its application in whole-body dynamic imaging and computer-aided detection."

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