• RPG Seminar – A New Adaptive Fading Instrumental Variable Pseudolinear Kalman Filter for 3D AOA Target Tracking

    Online via Zoom

    Meeting ID: 990 0206 5927 Password: 585304 Abstract: The instrumental variable pseudolinear Kalman filter (IV-PLKF) algorithm, used for 3D angle-of-arrival (AOA) target tracking, has been proven to be more robust to initialization errors, with superior estimation performance and lower computational complexity compared to other state-of-the-art methods. However, the IV-PLKF algorithm requires prior knowledge of the […]

  • RPG Seminar – Transformer-based Architectures for Automated Annotation in 3D Point Clouds

    Online via Zoom

    Abstract Manual annotation of 3D point clouds is notoriously labor-intensive, prompting the need for automated solutions. Existing automated annotation methods, however, are typically complex and may neglect the crucial inter-object feature relationships that are informative for annotating challenging samples. In response, we introduce two end-to-end Transformer-based models, CAT and CAT++, which are streamlined to serve […]

  • RPG Seminar – Complex-valued Transformer for Wireless Communications

    Online via Zoom

    Meeting ID: 892 6022 4678 Password: n9QxYg Abstract In recent years, attention-based models, particularly those employing the transformer structure, have exhibited exceptional performance in tasks such as natural language processing, computer vision, and wireless communication, among others. Notably, most of these transformer frameworks rely on real-valued operations, where inputs, outputs, and trainable parameters are real […]

  • RPG Seminar – Image Augmented Multimodal Autolabeller for 3D Object Detection

    Online via Zoom

    Abstract Recently deep learning methods have gained groundbreaking success in many areas, including autonomous driving and 3D object detection. Powerful neural networks are proposed and yield human-comparable ability after being trained from large datasets. Nonetheless, the annotation procedure is time-consuming and tedious. To automate the annotation process, we proposed two methods called MAP-Gen and MTrans, […]

  • RPG Seminar – Memristor Enabling Efficient Combinatorial Optimization with Quantum-inspired Parallel Annealing

    Online via Zoom

    Abstract Combinatorial optimization problems are prevalent in various fields, but obtaining exact solutions remains challenging due to the combinatorial explosion with increasing problem size. Special-purpose hardware such as Ising machines, particularly memristor-based analog Ising machines, have emerged as promising solutions. However, existing simulate-annealing-based implementations have not fully exploited the inherent parallelism and analog storage/processing features […]

  • Microneedle-based Skin Patch for Transdermal Drug Delivery and Biosensing

    Room CB-601J, 6/F, Chow Yei Ching Building, The University of Hong Kong

    Microneedles (MNs) are an emerging platform for transdermal applications including drug delivery, insulin delivery, vaccination, biosensing, disease diagnosis, and cosmeceutical industry. Their advantages lie in their easy-to-use, pain-free, minimally invasive, and self-administrable features. This overcomes the skin barrier to enhance transdermal delivery of drugs and biomolecules with different physicochemical properties in vitro, ex vivo and […]

  • RPG Seminar – Domain-Specific Efficient Neural Network Architecture Design

    Online via Zoom

    Abstract AI models significantly impact our daily lives, but their high performance brings the challenge of model complexity. Deploying these models on edge devices poses additional challenges, including power consumption, memory storage and latency constraints. In this seminar, we will delve into designing efficient neural network architectures for various domains, including low-level computer vision and […]

  • RPG Seminar – Exploration of Novel Operators with Memristor Arrays Towards Efficient and Robust In-memory Computing

    Online via Zoom

    Abstract The past decade of escalated development in deep learning (DL) has achieved unprecedented success in engineering fields. In particular, deep neural networks (DNNs) via deep learning have achieved remarkable success across various applications. However, challenges remain in the hardware implementation of these software-oriented AI algorithms, primarily due to the reliance on traditional von Neumann […]

  • RPG Seminar – Manipulating Light Scattering at the Nanoscale by Metasurface

    Room CB-603, 6/F, Chow Yei Ching Building, The University of Hong Kong

    Abstract Light scattering is a fundamental optical process that accounts for many optical phenomena and applications. This process comes from the interaction between light and scattering particles, or scatters. It greatly depends on parameters such as the scatters’ shapes and refractive index, the polarization and wavelength of light. We will show that by arranging the […]

  • RPG Seminar – Scalable Optical Neural Network Based on Parametric Process

    Room CB-603, 6/F, Chow Yei Ching Building, The University of Hong Kong

    Abstract In the past decades, with the rapidly increasing data, AI technology, including neural network (NN) shows more and more powerful ability. However, the development of electronic hardware meets a dilemma because of the physical limitation, which restricts the computation performance growth of NN. Thus, developing the next-generation computation platform for NN is necessary. Since […]

  • RPG Seminar – Trajectory Inference of T-Cell Activation from Label-free Single-cell Biophysical Morphologies with StaVia

    Online via Zoom

    Abstract: Blood analysis is an indispensable clinical tool for human health and diseases. Specifically, the overarching challenge in characterization of blood, notably immune cells, is to identify the cellular phenotypes at the single-cell precision to dissect the complex functional roles of different cell types/states. Strategies for phenotyping immune cells enable biological discovery and shed light […]

  • RPG Seminar – A Multi-Agent and Self-Adaptive Framework for Portfolio Management in Computational Finance

    Room CB-603, 6/F, Chow Yei Ching Building, The University of Hong Kong

    Abstract: Financial portfolio management (PM) is a very important topic in computational finance, with its primary objective of achieving higher returns while reducing investment risks through dynamically allocating capital to different assets in a portfolio. Recently, deep or reinforcement learning(DL/RL)-based PM approaches have been applied to capture the valuable opportunities from the underlying financial market […]

  • EEE MasterClass (EEE 大師講堂) – Mixed-Dimensional Heterostructures for Electronic and Energy Technologies

    Room CB-603, 6/F, Chow Yei Ching Building, The University of Hong Kong

    Abstract Layered two-dimensional (2D) materials interact primarily via van der Waals bonding, which has created new opportunities for heterostructures that are not constrained by epitaxial lattice matching requirements. However, since any passivated, dangling bond-free surface interacts with another via non-covalent forces, van der Waals heterostructures are not limited to 2D materials alone. In particular, 2D […]

  • Energy Intelligent Computing Devices Based on 2D Materials

    Room CB-603, 6/F, Chow Yei Ching Building, The University of Hong Kong

    Abstract Despite the long and crucial role of traditional solid-state physics for current silicon-based technologies, next-generation neuromorphic, non-volatile memory, and energy devices that are key components in the era of the Internet of Things (IoT) require novel working principles with quantum physics emerging in low-dimensional materials. The main research direction for future devices is to […]

  • Optimization of Phase Change Memory for In-Memory Computing and Packaging for Small Computers

    Room CB-603, 6/F, Chow Yei Ching Building, The University of Hong Kong

    Abstract The need to shuttle data between processing and memory units has been a key performance bottleneck for conventional hardware implementations of artificial neural networks. Analog in-memory computing (AIMC) emerges as a promising solution to this challenge by directly performing computations within non-volatile memory devices, such as phase change memory (PCM). However, the utilization of […]

  • Workshop on Frontiers of Legged Robotics 2024

    Lecture Theatre CB-A, G/F, Chow Yei Ching Building, The University of Hong Kong

    The Faculty of Engineering, The University of Hong Kong is organizing the "Workshop on Frontiers of Legged Robotics 2024". The workshop will be held on May 23, 2024 (Thursday) from 2:30 pm to 6:00 pm at Lecture Theatre A, G/F, Chow Yei Ching Building, HKU. Keynote Speaker for William Mong Distinguished Lecture: - Prof Abderrahmane […]

  • EEE MasterClass (EEE 大師講堂) – Research Advances in Energy Storage Systems

    Room CPD-3.01, 3/F, Run Run Shaw Tower, The University of Hong Kong

    Abstract As the penetration of variable renewable generation increases in power systems, issues such as grid stiffness, larger frequency deviations, and grid stability are becoming more relevant. In this context, Energy Storage Systems (ESSs) are proving to be effective in facilitating the integration of renewable resources, and thus are being widely deployed in both microgrids […]

  • Localization of a Non-Cooperative Object Irrespective of the Range to Receivers

    Room CB-603, 6/F, Chow Yei Ching Building, The University of Hong Kong

    Abstract Position-related services and applications appear everywhere in our daily lives and precise positioning is indispensable.  For non-cooperative localization of an object by time difference of arrival (TDOA) such as in an integrated sensing and communications (ISAC) environment, it requires the knowledge that the object is near to or far from the receivers.  If the […]

  • Real-time Twisting on a Chip

    Online via Zoom

    Meeting ID: 939 1846 8563 Abstract Optical nanostructures and two-dimensional materials (2DM) have optical properties that are widely tunable via several approaches, such as heating, electrostatic gating, and interfacial engineering such as twisting. Being able to tailor the interfacial properties in a similar real-time manner represents the next leap in our ability to modulate the underlying […]

  • Integrated Nonlinear Multimode Photonics for Information Processing and Computation

    Online via Zoom

    Meeting ID:937 8072 8049 Abstract Photonics technology has become indispensable in communication, imaging, sensing, metrology, and more recently, in signal processing and computation. These advancements are made possible through optical systems that leverage the control of multiple degrees of freedom of light, e.g., in space/momentum, time/frequency, angle/orbital angular momentum and polarization. Recently, the integration of […]