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Events for October 10, 2023

  • CS Colloquium: Ralph Lange (Bosch) - From Dexterous Assembly to AMR Fleet Planning: Robotics Research at Bosch

    Tue, Oct 10, 2023 @ 11:00 AM - 12:00 PM

    Thomas Lord Department of Computer Science

    Conferences, Lectures, & Seminars

    Speaker: Ralph Lange, Bosch

    Talk Title: From Dexterous Assembly to AMR Fleet Planning: Robotics Research at Bosch

    Abstract: The Bosch Group has a uniquely diverse set of robotic products and applications, from consumer, to professional service, to industrial robotics. The research topics in robotics being studied at the various Bosch Research locations around the globe are even broader. In the first part, this talk gives an overview to these topics including SLAM, human motion prediction, and MPC based motion planning for mobile robots, learning and planning for complex assembly tasks with dexterous joining processes, scene segmentation and learning for robot handling in warehouses, novel mechatronic elements for robotic insertion processes in mass production.

    The second part covers research on robot software platforms and tools, with many contributions to the open source Robot Operating System. This includes for example micro ROS, execution management, and very new research on methods for model checking of robot deliberation with Behavior Trees. Finally, in the third part, a spotlight on the research on multi agent path finding for AMRs in intralogistics but also for contactless planar systems such as ctrlX FLOW6D is given.

    This lecture satisfies requirements for CSCI 591: Research Colloquium

    Biography: Ralph Lange is head of the global research portfolio for robotics at Bosch. Since 2018, he has been Principal Investigator in three EU funded projects. OFERA (micro ROS), MROS, and CONVINCE. In the last years and in his role as Chief Expert for Robotic Systems and Software Engineering, he has been particularly active in the ROS community and represented Bosch in the ROS 2 Technical Steering Committee and ROS Industrial Europe. Before joining Bosch in 2013, Ralph worked as a software engineer for TRUMPF Machine Tools. He obtained his PhD in computer science from the University of Stuttgart, Germany in 2010.

    Host: Sven Koenig

    Location: Hughes Aircraft Electrical Engineering Center (EEB) - 132

    Audiences: Everyone Is Invited

    Contact: Melissa Ochoa

  • VLP Writing Workshop

    Tue, Oct 10, 2023 @ 03:00 PM - 05:00 PM

    Viterbi School of Engineering Student Affairs

    Workshops & Infosessions

    Attention all Viterbi undergrads! Need help with WRIT 150, WRIT 340, or writing for any other course? Join the VLP for snacks and expert feedback from our writing consultant!

    Location: Ronald Tutor Hall of Engineering (RTH) - 222

    Audiences: Undergrad

    Contact: Alex Bronz

    Event Link: https://cglink.me/2nB/r392400

  • Quantum Science & Technology Seminar - Rishabh Sahu, Tuesday, October 10th at 3pm in EEB 248

    Tue, Oct 10, 2023 @ 03:00 PM - 04:30 PM

    Ming Hsieh Department of Electrical and Computer Engineering

    Conferences, Lectures, & Seminars

    Speaker: Rishabh Sahu, Institute of Science and Technology Austria

    Talk Title: Quantum Electrooptics

    Series: Quantum Science & Technology Seminar Series

    Abstract: In the last few decades, a myriad physical systems such as photons, atoms, ions and spins have been explored for various different quantum technologies such as computation, communication and meteorology. Until now, no single physical system has been suitable for all the different quantum applications. As a result, in the future, we can expect a quantum network of spatially separated quantum processing, memory or sensing nodes - all connected via flying qubits or optical photons. Many quantum systems such as solid state qubits and trapped ion qubits have already been successful in entangling multiple nodes separated by long distances owing to optical transitions in these systems which make it easy to bridge these local nodes with optics. However, microwave technologies such as superconducting qubits have been left behind in this matter. This is mostly because of the huge challenge posed by incompatibility of microwave and optical technologies - high energy optics not only thermally heats up the microwave circuitry but also breaks the cooper pairs in the superconducting metal breaking their superconductivity. As a result, it has been hard to establish a quantum bridge between these two frequency domains. In this talk, I will present our bridge between microwave and optical frequencies which is based on electrooptic nonlinearity. I will talk about many important results which show the viability of this platform in future quantum networking applications involving microwave technologies.

    Biography: Rishabh completed his bachelor's and master's degree in Physics at the Indian Institute of Technology, Kanpur. His research mainly involved studying orbital angular momentum of light, in particular, sorting photons in this basis to get a multidimensional basis for photons. His master's thesis involved simulating Maxwell's equation using Finite Difference Time Domain (FDTD) method. Rishabh started graduate school at ISTA in fall of 2018 and joined the Fink group in 2019. He graduated in 2023 and works now as a postdoc on new cavity electrooptics experiments.

    Host: Quntao Zhang, Wade Hsu, Mengjie Yu, Jonathan Habif & Eli Levenson-Falk

    More Information: Rishabh Sahu Flyer.pdf

    Location: Hughes Aircraft Electrical Engineering Center (EEB) - 248

    Audiences: Everyone Is Invited

    Contact: Marilyn Poplawski

  • Epstein Institute, ISE 651 Seminar Class

    Tue, Oct 10, 2023 @ 03:30 PM - 04:50 PM

    Daniel J. Epstein Department of Industrial and Systems Engineering

    Conferences, Lectures, & Seminars

    Speaker: Dr. Narayan Rangaraj, Professor, Department of Industrial Engineering & Operations Research, Bombay University

    Talk Title: Operations Planning in Long Distance and Metro Rail Systems

    Host: Prof. Jong-Shi Pang

    More Information: October 10, 2023.pdf

    Location: Social Sciences Building (SOS) - SOS Building, B2

    Audiences: Everyone Is Invited

    Contact: Grace Owh

  • PhD Thesis Proposal - Fei Wang

    Tue, Oct 10, 2023 @ 04:00 PM - 05:30 PM

    Thomas Lord Department of Computer Science

    University Calendar

    PhD Thesis Proposal - Fei Wang

    Committee Members: Muhao Chen (Chair), Laurent Itti, Aram Galstyan, Robin Jia, Tianshu Sun

    Title: Robust and Context Faithful Language Understanding with (Large) Language Models

    Abstract: Large language models (LLMs) have achieved remarkable success in various language understanding tasks. However, their deployment in real world scenarios raises significant accountability concerns. In this talk, I will begin with the contextual faithfulness issue. LLMs often rely on biased parametric knowledge to make unfaithful predictions. I will present a causality driven approach aimed at mitigating entity bias to ensure context faithful NLU. Subsequently, I will introduce the robustness issue against unknown prediction shortcuts. I will demonstrate how to address the issue by proactively mitigating attention biases. Finally, I will outline potential future directions for advancing LLM accountability

    Audiences: Everyone Is Invited

    Contact: Melissa Ochoa

    Event Link: https://usc.zoom.us/j/92603629078?pwd=cnAyaFNPY1A5QTJ4Ny92K2NJdUlydz09

  • CS Colloquium: Michael Safaee (Keck) - From Tethers to Telomeres: Advances in Spine Surgery

    Tue, Oct 10, 2023 @ 04:00 PM - 05:50 PM

    Thomas Lord Department of Computer Science

    Conferences, Lectures, & Seminars

    Speaker: Michael Safaee, Keck Medicine of USC

    Talk Title: From Tethers to Telomeres: Advances in Spine Surgery

    Abstract: Junctional mechanical failures are a well recognized complication of long segment spinal fusions. Ligament augmentation with tethers can reduce junctional stress and minimize rates of proximal junctional failure PJF. A total of 242 patients with tethers were analyzed and compared to a historical cohort of 77 patients without tethers. Rates of reoperation for PJF were significantly lower with tethers 3.3 percent vs. 15.6 percent, p less than 0.001. A propensity matched cohort of 40 patients in each arm found similarly lower rates of PJF. 2.5 percent vs 22.5 percent, p equals 0.007). PJF emphasizes the need for improved preoperative risk stratification. Telomeres are DNA protein complexes that serve an important role in protecting genomic DNA. Their shortening is a consequence of aging and environmental exposures, with well established associations with diseases of aging and mortality. Whole blood was collected preoperatively on adults undergoing spine surgery. Telomere length analysis was performed using qPCR, T over S ratio. Among 43 patients, we found no significant difference in chronological age, DMI, frailty, or preoperative disability scores when comparing patients with a postoperative complication compared to those without a complication. However, patients with complications had significantly shorter telomere length T over S 0.712 vs. 0.813, p equals 0.008, which correlated to an additional attrition of 9 to 10 years despite only 5 year difference in chronological age. These data suggest that biological age may provide valuable information on preoperative risk and improve current risk calculators.

    This lecture satisfies requirements for CSCI 591: Research Colloquium

    Biography: Michael Safaee, MD, is a neurosurgeon specializing in the treatment of spinal disorders. He is trained in both traditional open and minimally invasive techniques, spinal oncology and adult deformity. While committed to caring for all patients, he has a special interest in scoliosis, kyphosis and revision surgery. Dr. Safaees goal is to treat patients with the same care he would want for his own family, providing safe, effective and durable outcomes tailored to the individual patient. Although surgery is almost always a last resort, he strives to educate patients with the knowledge needed to make the best decision for themselves. Dr. Safaee earned his medical degree from the David Geffen School of Medicine at the University of California, Los Angeles, followed by residency in the Department of Neurological Surgery at the University of California, San Francisco. He completed a fellowship in the Department of Orthopedic Surgery at The Johns Hopkins Hospital. Dr. Safaee has over 100 peer reviewed publications and his work was recognized with the Russell A. Hibbs Award by the Scoliosis Research Society. Dr. Safaees research is currently focused on surgical outcomes in adult deformity surgery and spinal oncology, with a particular interest in risk assessment and data analytics. He is exploring the use of genetic and biological age as components of risk stratification.

    Host: Nenad Medvidovic

    Location: Olin Hall of Engineering (OHE) - 136

    Audiences: Everyone Is Invited

    Contact: Melissa Ochoa