activity
20192024
most citedA 23 W Keyword Spotting IC with Ring-Oscillator-Based Time-Domain Feature Extraction

45 citations · 77 across the 7 of their papers we have counts for

collaborators

7 papers

cs.AR2024★ 3 cited

A 0.5V, 6.2W, 0.059mm Sinusoidal Current Generator IC with 0.088% THD for Bio-Impedance Sensing

Kwantae Kim, Changhyeon Kim, Sungpill Choi +1

This paper presents the first sub-10W, sub-0.1% total harmonic distortion (THD) sinusoidal current generator (CG) integrated circuit (IC) that is capable of 20kHz output for the…

cs.AR2022★ 45 cited

A 23 W Keyword Spotting IC with Ring-Oscillator-Based Time-Domain Feature Extraction

Kwantae Kim, Chang Gao, Rui Graça +4

This article presents the first keyword spotting (KWS) IC which uses a ring-oscillator-based time-domain processing technique for its analog feature extractor (FEx). Its extensive…

cs.AR2022

Energy-efficient Dense DNN Acceleration with Signed Bit-slice Architecture

Dongseok Im, Gwangtae Park, Zhiyong Li +2

As the number of deep neural networks (DNNs) to be executed on a mobile system-on-chip (SoC) increases, the mobile SoC suffers from the real-time DNN acceleration within its limite…

cs.AR2022★ 2 cited

Two-Step Spike Encoding Scheme and Architecture for Highly Sparse Spiking-Neural-Network

Sangyeob Kim, Sangjin Kim, Soyeon Um +2

This paper proposes a two-step spike encoding scheme, which consists of the source encoding and the process encoding for a high energy-efficient spiking-neural-network (SNN) accele…

cs.LG2021★ 9 cited

GST: Group-Sparse Training for Accelerating Deep Reinforcement Learning

Juhyoung Lee, Sangyeob Kim, Sangjin Kim +2

Deep reinforcement learning (DRL) has shown remarkable success in sequential decision-making problems but suffers from a long training time to obtain such good performance. Many pa…

cs.LG2020★ 5 cited

Extension of Direct Feedback Alignment to Convolutional and Recurrent Neural Network for Bio-plausible Deep Learning

Donghyeon Han, Gwangtae Park, Junha Ryu +1

Throughout this paper, we focus on the improvement of the direct feedback alignment (DFA) algorithm and extend the usage of the DFA to convolutional and recurrent neural networks (…

cs.LG2019★ 13 cited

Efficient Convolutional Neural Network Training with Direct Feedback Alignment

Donghyeon Han, Hoi-jun Yoo

There were many algorithms to substitute the back-propagation (BP) in the deep neural network (DNN) training. However, they could not become popular because their training accuracy…