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November 2019

ESE Thesis Defense: Cassiano Becker

November 20 at 10:00 AM - 11:30 AM
Room 307, Levine Hall, 3330 Walnut Street
Philadelphia, PA 19104 United States
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Title: "Data-Driven Modeling, Analysis and Design of Networked Dynamical Systems with Applications in Neuroscience" Abstract: In this thesis, we provide contributions to the modeling, analysis and design of networked dynamical systems from a data-driven perspective. Our approach is grounded on the integration of concepts and tools from graph theory, control theory, optimization, and statistics. In particular, we develop methodologies that can be applied to challenging, high-dimensional problems where only partial or summarized information about the structure and function of a…

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ESE Thesis Defense: Zhe Xuan

November 25 at 11:00 AM - 12:30 PM
Room 307, Levine Hall, 3330 Walnut Street
Philadelphia, PA 19104 United States
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Title: "Towards Advanced Photonic Integrated Systems through Electronic-Assisted Design" Abstract: Optical systems have applications ranging from traditional areas such as communication and spectroscopy to emerging fields such as quantum computing and cryptography. Bench-top optical systems, using free-space optics or fiber optics with standalone devices, have been successful. However, they tend to occupy a large space and are costly to build. With the advance of the photonic integrated circuit, many of those systems are being integrated on-chip, promising portable and energy-efficient…

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ESE Seminar: “Management Strategies for Hyperscale Datacenters”

November 26 at 11:00 AM - 12:00 PM
Towne 337, 220 S 33rd St
Philadelphia, PA 19104 United States
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Abstract: Hyperscale datacenters provide critical infrastructure for the information economy, refining data to extract value. Sharing datacenters improves energy efficiency but whether strategic users participate depends on management policies. I address these challenges by integrating practical insights from computer architecture with rigorous methods in algorithmic economics and machine learning. I illustrate this approach for power allocation and performance diagnosis. First, I allocate server power by anticipating strategic behavior and incentivizing participation. I design mechanisms in which users selfishly draw power to…

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December 2019

ESE Seminar: “Beyond Supervised Learning for Biomedical Imaging”

December 3 at 11:00 AM - 12:00 PM
Smilow Center Auditorium, 3400 Civic Center Blvd
Philadelphia, PA 19104 United States
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Abstract: Today, many biomedical imaging tasks, such as 3D reconstruction, denoising, detection, registration, and segmentation, are solved with machine learning techniques. In this talk, I will present a flexible learning-based framework that has allowed us to derive efficient solutions for a variety of such problems, without relying on heavy supervision. I will primarily employ image registration as a concrete application and present the details of VoxelMorph, our unsupervised learning-based image registration tool. I will show empirical results obtained by co-registering…

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