1 code implementation • 14 Mar 2024 • Xiao Ma, Shengfeng He, Hezhe Qiao, Dong Ma
Enabling efficient and accurate deep neural network (DNN) inference on microcontrollers is non-trivial due to the constrained on-chip resources.
no code implementations • 14 Feb 2024 • Hong Jia, Young D. Kwon, Dong Ma, Nhat Pham, Lorena Qendro, Tam Vu, Cecilia Mascolo
This limitation hinders the feasibility of many important on-device wearable event detection (WED) applications, such as heart attack detection.
no code implementations • 25 May 2023 • Xiaowei Li, Taixia Shi, Dong Ma, Yang Chen
For the first time, channelization measurement technology is introduced in the STFT system based on frequency sweeping and FTTM, greatly reducing the frequency-sweep range of the required frequency-sweep signal to the analysis bandwidth divided by the number of channels.
no code implementations • 9 Aug 2022 • Pengcheng Zuo, Dong Ma, Xiaowei Li, Yang Chen
In this paper, the filter- and frequency-to-time mapping (FTTM)-based photonics-assisted time and frequency acquisition methods are comprehensively analyzed and the accuracy and resolution limitation in the fast sweep scenario is broken by broadening the filter bandwidth.
no code implementations • 26 Apr 2022 • Dong Ma, Chi Ian Tang, Cecilia Mascolo
Many deep learning applications, like keyword spotting, require the incorporation of new concepts (classes) over time, referred to as Class Incremental Learning (CIL).
no code implementations • 27 Jan 2022 • Dong Ma, Yang Chen
A time-varying microwave photonic filter (TV-MPF) based on stimulated Brillouin scattering (SBS) is proposed and utilized to suppress the in-band noise of broadband arbitrary microwave waveforms, thereby improving the signal-to-noise ratio (SNR).
no code implementations • 26 Nov 2021 • Pengcheng Zuo, Dong Ma, Yang Chen
In the proposed all-optical STFT system, SBS not only provides a band-pass filter for implementing the window function in conjunction with a periodic frequency-sweep optical signal but also obtains the frequency domain information in different time windows through the generated waveform via frequency-to-time mapping (FTTM).
no code implementations • 7 Sep 2021 • Dong Ma, Pengcheng Zuo, Yang Chen
The parallel SBS link can be utilized to perform real-time time-frequency analysis of microwave signal, which provides a promising solution for real-time time-frequency analysis, especially when it is combined with the photonic integration technique.
no code implementations • 6 Sep 2020 • Dong Ma, Guohao Lan, Weitao Xu, Mahbub Hassan, Wen Hu
We prototype the proposed gait recognition architecture in the form factor of an insole and evaluate its gait recognition as well as energy harvesting performance with 20 subjects.
1 code implementation • 5 Dec 2018 • Dong Ma, Guohao Lan, Mahbub Hassan, Wen Hu, Mushfika B. Upama, Ashraf Uddin, Moustafa Youssef
We design a system, SolarGest, which can recognize hand gestures near a solar-powered device by analyzing the patterns of the photocurrent.
Human-Computer Interaction