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SUMMARY:TILOS Seminar: Medical image reconstruction via deep learning: new architectures\, data reduction and theoretical guarantees
DESCRIPTION:Title: Medical image reconstruction via deep learning: new architectures\, data reduction and theoretical guarantees \nSpeaker: Mahdi Soltanolkotabi\, Director of the Center on AI Foundations for the Sciences (AIF4S) at USC \nZoom: https://ucsd.zoom.us/j/99334315002 \nAbstract: In this talk I will discuss the challenges and opportunities for using deep learning in medical image reconstruction. Contemporary techniques in this field rely on convolutional architectures that are limited by the spatial invariance of their filters and have difficulty modeling long-range dependencies. To remedy this\, I will discuss our work on designing new transformer-based architectures called HUMUS-Net that lead to state of the art performance and do not suffer from these limitations. In the next part of the talk I will report on techniques to significantly reduce the required data for training. Finally\, I will briefly discuss our recent attempts to develop rigorous theory for simple end-to-end training methods used in image reconstruction problems which is surprisingly quite challenging even for simple target functions. Notability\, our theory will be in the rich (or beyond NTK regime) that conforms with practical choice of hyperparameters. Time permitting I will discuss other exciting directions for the use of deep learning in MR. \nBio: Mahdi Soltanolkotabi is the director of the center on AI Foundations for the Sciences (AIF4S) at the University of Southern California. He is also an associate professor in the Departments of Electrical and Computer Engineering\, Computer Science\, and Industrial and Systems engineering where he holds an Andrew and Erna Viterbi Early Career Chair. Prior to joining USC\, he completed his PhD in electrical engineering at Stanford in 2014. He was a postdoctoral researcher in the EECS department at UC Berkeley during the 2014-2015 academic year. Mahdi is the recipient of the Information Theory Society Best Paper Award\, Packard Fellowship in Science and Engineering\, an NIH Director’s new innovator award\, a Sloan Research Fellowship\, an NSF Career award\, an Airforce Office of Research Young Investigator award (AFOSR-YIP)\, the Viterbi school of engineering junior faculty research award\, and faculty awards from Google and Amazon. His research focuses on developing the mathematical foundations of modern data science via characterizing the behavior and pitfalls of contemporary nonconvex learning and optimization algorithms with applications in deep learning\, large scale distributed training\, federated learning\, computational imaging\, and AI for scientific and medical applications.
URL:https://datascience.ucsd.edu/event/tilos-seminar-medical-image-reconstruction-via-deep-learning-new-architectures-data-reduction-and-theoretical-guarantees/
LOCATION:Computer Science & Engineering Building (CSE)\, Room 2154\, 3234 Matthews Ln\, La Jolla\, CA\, 92093\, United States
CATEGORIES:Seminar
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