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Events for January 31, 2025
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EiS Communications Hub - Tutoring for Engineering Ph.D. StudentsFri, Jan 31, 2025 @ 10:00 AM - 12:00 PM
Viterbi School of Engineering Student Affairs
Workshops & Infosessions
Viterbi Ph.D. students are invited to drop by the Hub for instruction on their writing and speaking tasks! All tutoring is one-on-one and conducted by Viterbi faculty.
Location: Ronald Tutor Hall of Engineering (RTH) - 222A
Audiences: Viterbi Ph.D. Students
Contact: Helen Choi
Event Link: https://sites.google.com/usc.edu/eishub/home
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AI Seminar-Evaluating Text to Image Platforms Content Moderation During the 2024 US Presidential Election
Fri, Jan 31, 2025 @ 11:00 AM - 12:00 PM
Information Sciences Institute
Conferences, Lectures, & Seminars
Speaker: Kevin Greene, Princeton University, Princeton University
Talk Title: Evaluating Text to Image Platforms Content Moderation During the 2024 US Presidential Election
Series: AI Seminar
Abstract: Join Zoom Meeting: https://usc.zoom.us/j/96982313329?pwd=rZkvQ5qgBMsQfY3MjZgn4WrOJTOJjp.1 Meeting ID: 969 8231 3329 Passcode: 853171 Register in advance for this webinar: https://usc.zoom.us/webinar/register/WN_erWJIqKDSzifVzFRoezM5A How do generative AI platforms’ content moderation policies handle the creation of political deepfakes? There are considerable concerns about the risks posed by AI generated images of political leaders, but no systematic evaluation detailing how AI platforms address this outcome. We leverage an automated pipeline to extract and transform references to individuals on the US Presidential tickets from prominent media into prompts for generative AI systems, enabling politically diverse, externally valid evaluations. These prompts are sent to three prominent T2I platforms each week for the final three months of the 2024 US Presidential election. First, we show that the platforms take different approaches to content moderation. These differences contribute to there being low agreement in blocking behavior between platforms. Second, there is little consistency in the blocking behavior within platforms over time. Stability AI allowed almost all prompts featuring political figures until a sudden change two weeks before the 2024 election. Further, almost no prompts were blocked in every week of our collection. Our findings highlight the importance of developing scalable context specific approaches to monitoring text-to-image platforms.
Biography: Kevin T. Greene is an Academic Research Manager in the Empirical Studies of Conflict project at Princeton University leading the Digital Conflict and Information Integrity project. He studies the role of information and information communication technologies in international and domestic politics. Ongoing projects investigate the spread of unreliable content from algorithmic recommendations, the social and political risks posed by generative AI, and the strategies employed by foreign influence operations. His research has been funded by the National Science Foundation, Lockheed Martin Advanced Technology Labs and Microsoft and published in Science Advances, PNAS Nexus, American Political Science Review, Political Analysis, the Journal of Politics, and Political Communication among others. His research has been funded by the National Science Foundation, Lockheed Martin Advanced Technology Labs and Microsoft and published in Science Advances, PNAS Nexus, American Political Science Review, Political Analysis, the Journal of Politics, and Political Communication among others.
Host: Zhuoyu Shi and Pete Zamar
More Info: https://www.isi.edu/events/5317/evaluating-text-to-image-platforms-content-moderation-during-the-2024-us-presidential-election/
Webcast: https://usc.zoom.us/j/96982313329?pwd=rZkvQ5qgBMsQfY3MjZgn4WrOJTOJjp.1Location: Information Science Institute (ISI) - Virtual Only
WebCast Link: https://usc.zoom.us/j/96982313329?pwd=rZkvQ5qgBMsQfY3MjZgn4WrOJTOJjp.1
Audiences: Everyone Is Invited
Contact: Pete Zamar
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Alfred E.Mann Department of Biomedical Engineering - Seminar series
Fri, Jan 31, 2025 @ 11:00 AM - 12:00 PM
Alfred E. Mann Department of Biomedical Engineering
Conferences, Lectures, & Seminars
Speaker: Ana Claudia Arias, Professor of Electrical Engineering and Computer Science, University of California Berkeley
Talk Title: Towards Wireless Flexible Printed Electronics
Abstract: Flexible electronics enable large area, lightweight, thin functional devices that are conformal to the human body. These electronic devices are important in Internet of Things applications as they enable interfacing electronics with complex physical objects. Flexible sensors are being developed in industries including automotive, packaging, and structural health monitoring. Wearable medical technology has seen considerable advancement in recent years in both consumer health monitoring products such as smart watches and research of clinical grade sensors. Sensors including temperature, heart rate, blood oxygenation, and various metabolites present in sweat have been demonstrated. In all cases, to be truly "wearable" a device should be comfortable: conformal, lightweight, thin, and cable-less. A functional wearable device must include not only a sensor, but also a power source and communication capability. The power and communication systems should meet the same comfort criteria as the sensors. While printed electronic components have the advantages of being flexible, lightweight, thin, and large area, conventional rigid silicon electronics are capable of fast, efficient computation, data processing and storage in a small footprint at low power. Flexible hybrid electronic (FHE) systems take advantage of these complementary strengths by integrating conventional components and printed components together. In this talk, I will cover the fundamental building blocks for an FHE system - including printed sensors and circuits, printed antennas for wireless power and communication, printed energy harvesting and storage. I will discuss recent progress, fabrication, applications and opportunities in flexible hybrid electronics.
Biography: Ana Claudia Arias's research focuses on the use of electronic materials processed from solution in flexible electronic systems. Insights from such investigations have enabled the development of printing techniques that fabricate flexible large-area electronic devices and sensors. To this end, Dr. Arias directs the Flexible Electronic Devices and Systems Laboratory, which develops such systems for energy-related and medical applications. Prior to arriving at Berkeley, Arias managed the Printed Electronic Devices area and served as a member of the research staff at the Palo Alto Research Center (PARC), a Xerox Company. Arias is the recipient of multiple awards acknowledging her achievements in the field of electronic materials including receiving the NAE Gilbreth Lectureship, the FLEXI R&D Achievements Award, and being selected Bakar Fellow. She has a PhD in Physics from Cambridge University.
Host: Maral Mousavi
Location: Ronald Tutor Hall of Engineering (RTH) - 109
Audiences: Everyone Is Invited
Contact: Carla Stanard
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Photonics Seminar - Jacob (Koby) Scheuer, Friday, January 31st at 2pm in EEB 248
Fri, Jan 31, 2025 @ 02:00 PM - 03:30 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Speaker: Koby Scheuer, Electrical Engineering, Tel-Aviv University
Talk Title: Exceptional points in periodic optical systems
Series: Photonics Seminar Series
Abstract: Exceptional points (EPs) are point singularities in the parameters space of a system at which at least two of its eigenvalues and eigenvectors coalesce. Such points are often associated with non-Hermitian (optical) systems and have been the focus of intense research in the last decade due to their potential applications in optical sensing, switching, lasing, but also in signal processing and impedance matching. While EPs mostly studied in the context of parity-time symmetric systems, they can also be found in passive and Hermitian periodic systems, where they are often designated as stationary points and associated with vanishing group velocity. In this talk, I will review the fundamental concepts of stationary points formation in periodic system and discuss their applications, mainly light amplification and lasing. I will also present our recent work on EPs in PT-symmetric periodic systems.
Biography: Koby Scheuer is the Bernard L. Schwartz Chair in Nano-Scale Information technology and a full professor at the school of Electrical Engineering, Tel-Aviv University. He received the B.Sc. degree (summa cum laude) in electrical engineering and in physics, and the Ph.D. degree in electrical engineering from the Technion-Israel Institute of Technology, Haifa, Israel, in 1993 and 2001, respectively. He was a Chief Designer with Lambda crossing-an optical component startup specializing in microring resonators for two years. Then, he joined the Center for the Physics of Information and the Department of Applied Physics, the California Institute of Technology, Pasadena, as a Research Associate. In 2006 he joined the School of Electrical & Computer Engineering, Tel-Aviv University. His main fields of research involve metasurfaces, plasmonics, integrated optics and telecommunications. Prof. Scheuer is the author or co-author of more than 220 scientific paper in peer-review journal, more than 140 papers in conference proceeding, and 12 patent applications. He is a Fellow of Optica (former Optical Society of America) and a fellow of the SPIE.
Host: Mercedeh Khajavikhan and Demetri Christodoulides
More Information: Jacob Scheuer Flyer.pdf
Location: Hughes Aircraft Electrical Engineering Center (EEB) - 248
Audiences: Everyone Is Invited
Contact: Marilyn Poplawski
