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X-ORIGINAL-URL:https://strobe.colorado.edu/
X-WR-CALNAME:STROBE
X-WR-CALDESC:Building the Microscopes of Tomorrow
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BEGIN:VEVENT
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DTSTART;TZID=America/Denver:20251009T110000
DTEND;TZID=America/Denver:20251009T120000
DTSTAMP:20250912T171100
UID:MEC-b0263bc40e0ff50f481b85a968c30ac1@strobe.colorado.edu
CREATED:20250912
LAST-MODIFIED:20251006
PRIORITY:5
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SUMMARY:STROBE Seminar: “Deep Learning to Overcome Physical Limits in CryoEM and CryoET”
DESCRIPTION:Dr. Yun-Tao Liu, an Assistant Project Specialist in the Zhou group at UCLA, presents “Deep Learning to Overcome Physical Limits in CryoEM and CryoET.”\nAbstract: CryoEM and cryoET enable imaging of biological specimens frozen in vitreous ice, revealing 3D molecular or cellular structures at high resolution and in their native state. However, cryoET is limited by the “missing-wedge” problem due to restricted tilt angles, and cryoEM often suffers from preferred orientation, resulting in uneven sampling of angular views and leaving parts of Fourier space poorly covered. We developed IsoNet and spIsoNet to address these inverse problems through data-driven, self-supervised deep learning: both methods learn from collected data alone, using well-sampled orientations to infer under-represented ones. IsoNet restores isotropy in tomograms by reconstructing missing information; spIsoNet adapts these principles to single-particle and subtomogram averaging workflows, improving angular coverage and alignment. Together, our deep learning methods reliably mitigate previously challenging physical constraints in cryoEM/cryoET.\n\nSpeaker Bio: Yun-Tao Liu completed his undergraduate and graduate studies at the University of Science and Technology of China. He then pursued postdoctoral research in Professor Hong Zhou’s lab at UCLA. His work focuses on developing deep learning tools to tackle fundamental problems in structural biology, as well as investigating the mechanisms of nucleic acid processing and cellular processes in nervous systems.\n.fusion-body .fusion-builder-column-0{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-0 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-0{width:100% !important;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-0{width:100% !important;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}.fusion-body .fusion-flex-container.fusion-builder-row-1{ padding-top : 0px;margin-top : 0px;padding-right : 30px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 30px;}\n
URL:https://strobe.colorado.edu/news-events/events/strobe-seminar-deep-learning-to-overcome-physical-limits-in-cryoem-and-cryoet/
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