Search Results for author: Sizhen Bian

Found 14 papers, 4 papers with code

Body-Area Capacitive or Electric Field Sensing for Human Activity Recognition and Human-Computer Interaction: A Comprehensive Survey

no code implementations11 Jan 2024 Sizhen Bian, Mengxi Liu, Bo Zhou, Paul Lukowicz, Michele Magno

To this end, we first sorted the explorations into three domains according to the involved body forms: body-part electric field, whole-body electric field, and body-to-body electric field, and enumerated the state-of-art works in the domains with a detailed survey of the backed sensing tricks and targeted applications.

Human Activity Recognition

Q-Segment: Segmenting Images In-Sensor for Vessel-Based Medical Diagnosis

no code implementations15 Dec 2023 Pietro Bonazzi, Yawei Li, Sizhen Bian, Michele Magno

We present "Q-Segment", a quantized real-time segmentation algorithm, and conduct a comprehensive evaluation on a low-power edge vision platform with an in-sensors processor, the Sony IMX500.

Image Segmentation Medical Diagnosis +2

Retina : Low-Power Eye Tracking with Event Camera and Spiking Hardware

1 code implementation1 Dec 2023 Pietro Bonazzi, Sizhen Bian, Giovanni Lippolis, Yawei Li, Sadique Sheik, Michele Magno

This paper introduces a neuromorphic methodology for eye tracking, harnessing pure event data captured by a Dynamic Vision Sensor (DVS) camera.

Pupil Detection Pupil Tracking

Ultra-Efficient On-Device Object Detection on AI-Integrated Smart Glasses with TinyissimoYOLO

no code implementations2 Nov 2023 Julian Moosmann, Pietro Bonazzi, Yawei Li, Sizhen Bian, Philipp Mayer, Luca Benini, Michele Magno

To this goal, we designed a smart glasses prototype as a research platform featuring two microcontrollers, including a novel milliwatt-power RISC-V parallel processor with a hardware accelerator for visual AI, and a Bluetooth low-power module for communication.

Benchmarking Edge-computing +3

Worker Activity Recognition in Manufacturing Line Using Near-body Electric Field

no code implementations7 Aug 2023 Sungho Suh, Vitor Fortes Rey, Sizhen Bian, Yu-Chi Huang, Jože M. Rožanec, Hooman Tavakoli Ghinani, Bo Zhou, Paul Lukowicz

This paper presents a novel wearable sensing prototype that combines IMU and body capacitance sensing modules to recognize worker activities in the manufacturing line.

Activity Recognition Time Series

Evaluating Spiking Neural Network On Neuromorphic Platform For Human Activity Recognition

1 code implementation1 Aug 2023 Sizhen Bian, Michele Magno

Energy efficiency and low latency are crucial requirements for designing wearable AI-empowered human activity recognition systems, due to the hard constraints of battery operations and closed-loop feedback.

Human Activity Recognition

TinyTracker: Ultra-Fast and Ultra-Low-Power Edge Vision In-Sensor for Gaze Estimation

2 code implementations15 Jul 2023 Pietro Bonazzi, Thomas Ruegg, Sizhen Bian, Yawei Li, Michele Magno

We propose TinyTracker, a highly efficient, fully quantized model for 2D gaze estimation designed to maximize the performance of the edge vision systems considered in this study.

Gaze Estimation Object Tracking

ColibriUAV: An Ultra-Fast, Energy-Efficient Neuromorphic Edge Processing UAV-Platform with Event-Based and Frame-Based Cameras

no code implementations27 May 2023 Sizhen Bian, Lukas Schulthess, Georg Rutishauser, Alfio Di Mauro, Luca Benini, Michele Magno

The interest in dynamic vision sensor (DVS)-powered unmanned aerial vehicles (UAV) is raising, especially due to the microsecond-level reaction time of the bio-inspired event sensor, which increases robustness and reduces latency of the perception tasks compared to a RGB camera.

Fully Automatic Gym Exercises Recording: An IoT Solution

no code implementations27 May 2023 Sizhen Bian, Alexander Rupp, Michele Magno

The system we have implemented is a working prototype of a bigger end goal and is supposed to initialize progress toward a smarter, more efficient, and still privacy-respect gym environment in the future.

Exploring Automatic Gym Workouts Recognition Locally On Wearable Resource-Constrained Devices

no code implementations13 Jan 2023 Sizhen Bian, Xiaying Wang, Tommaso Polonelli, Michele Magno

We also introduced an open data set composed of fifty sessions of eleven gym workouts collected from ten subjects that is publicly available.

Activity Recognition Quantization

Non-contact, real-time eye blink detection with capacitive sensing

no code implementations10 Nov 2022 Mengxi Liu, Sizhen Bian, Paul Lukowicz

This work described a novel non-contact, wearable, real-time eye blink detection solution based on capacitive sensing technology.

The Contribution of Human Body Capacitance/Body-Area Electric Field To Individual and Collaborative Activity Recognition

1 code implementation26 Oct 2022 Sizhen Bian, Vitor Fortes Rey, Siyu Yuan, Paul Lukowicz

In the second case, we tried to recognize actions related to manipulating objects and physical collaboration between users by using a wrist-worn HBC sensing unit.

Activity Recognition

Smart Cup: An impedance sensing based fluid intake monitoring system for beverages classification and freshness detection

no code implementations8 Oct 2022 Mengxi Liu, Sizhen Bian, Bo Zhou, Agnes Grünerbl, Paul Lukowicz

We studied the frequency sensitivity of the electrochemical impedance spectrum regarding distinct beverages and the importance of features like amplitude, phase, and real and imaginary components for beverage classification.

Magnetic Field Based Hand Tracking

no code implementations18 Jul 2022 Sizhen Bian, Kexuan Guo, Mengxi Liu, Bo Zhou, Paul Lukowicz

In more detail, the transmitters generate the oscillating magnetic fields with a registered sequence, the receiver senses the strength of the induced magnetic field by a customized three axes coil, which is configured as the LC oscillator with the same oscillating frequency so that an induced current shows up when the receiver is located in the field of the generated magnetic field.

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