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Chul-Heung Kim
Chul-Heung Kim
Verified email at snu.ac.kr
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Emerging memory technologies for neuromorphic computing
CH Kim, S Lim, SY Woo, WM Kang, YT Seo, ST Lee, S Lee, D Kwon, S Oh, ...
Nanotechnology 30 (3), 032001, 2018
852018
Adaptive learning rule for hardware-based deep neural networks using electronic synapse devices
S Lim, JH Bae, JH Eum, S Lee, CH Kim, D Kwon, BG Park, JH Lee
Neural Computing and Applications 31, 8101-8116, 2019
812019
Demonstration of unsupervised learning with spike-timing-dependent plasticity using a TFT-type NOR flash memory array
CH Kim, S Lee, SY Woo, WM Kang, S Lim, JH Bae, J Kim, JH Lee
IEEE Transactions on Electron Devices 65 (5), 1774-1780, 2018
692018
Adaptive weight quantization method for nonlinear synaptic devices
D Kwon, S Lim, JH Bae, ST Lee, H Kim, CH Kim, BG Park, JH Lee
IEEE Transactions on Electron Devices 66 (1), 395-401, 2018
392018
A split-gate positive feedback device with an integrate-and-fire capability for a high-density low-power neuron circuit
KB Choi, SY Woo, WM Kang, S Lee, CH Kim, JH Bae, S Lim, JH Lee
Frontiers in neuroscience 12, 405095, 2018
342018
Si-Based FET-Type Synaptic Device With Short-Term and Long-Term Plasticity Using High- Gate-Stack
YT Seo, MS Lee, CH Kim, SY Woo, JH Bae, BG Park, JH Lee
IEEE Transactions on Electron Devices 66 (2), 917-923, 2019
292019
Neuromorphic technology based on charge storage memory devices
ST Lee, S Lim, N Choi, JH Bae, CH Kim, S Lee, DH Lee, T Lee, S Chung, ...
2018 IEEE Symposium on VLSI Technology, 169-170, 2018
262018
Neuromorphic device with excitatory and inhibitory functionalities
J Lee, C Kim, WOO Sung-Yun
US Patent 9,431,099, 2016
262016
A spiking neural network with a global self-controller for unsupervised learning based on spike-timing-dependent plasticity using flash memory synaptic devices
WM Kang, CH Kim, S Lee, SY Woo, JH Bae, BG Park, JH Lee
2019 International Joint Conference on Neural Networks (IJCNN), 1-7, 2019
232019
Highly reliable inference system of neural networks using gated Schottky diodes
S Lim, D Kwon, JH Eum, ST Lee, JH Bae, H Kim, CH Kim, BG Park, ...
IEEE Journal of the Electron Devices Society 7, 522-528, 2019
182019
Implementation of homeostasis functionality in neuron circuit using double-gate device for spiking neural network
SY Woo, KB Choi, J Kim, WM Kang, CH Kim, YT Seo, JH Bae, BG Park, ...
Solid-State Electronics 165, 107741, 2020
162020
Unsupervised online learning of temporal information in spiking neural network using thin-film transistor-type NOR flash memory devices
S Oh, CH Kim, S Lee, JS Kim, JH Lee
Nanotechnology 30 (43), 435206, 2019
152019
Hardware-based neural networks using a gated Schottky diode as a synapse device
S Lim, JH Bae, JH Eum, S Lee, CH Kim, D Kwon, JH Lee
2018 IEEE International Symposium on Circuits and Systems (ISCAS), 1-5, 2018
152018
Hardware-based spiking neural network architecture using simplified backpropagation algorithm and homeostasis functionality
J Kim, D Kwon, SY Woo, WM Kang, S Lee, S Oh, CH Kim, JH Bae, ...
Neurocomputing 428, 153-165, 2021
142021
Initial synaptic weight distribution for fast learning speed and high recognition rate in STDP-based spiking neural network
J Kim, CH Kim, SY Woo, WM Kang, YT Seo, S Lee, S Oh, JH Bae, ...
Solid-State Electronics 165, 107742, 2020
92020
Unsupervised online learning with multiple postsynaptic neurons based on spike-timing-dependent plasticity using a thin-film transistor-type NOR flash memory array
S Lee, CH Kim, S Oh, BG Park, JH Lee
Journal of Nanoscience and Nanotechnology 19 (10), 6050-6054, 2019
82019
Vertical neuromorphic devices stacked structure and array of the structure
J Lee, C Kim, S Lim
US Patent 10,103,162, 2018
82018
On-chip trainable hardware-based deep Q-networks approximating a backpropagation algorithm
J Kim, D Kwon, SY Woo, WM Kang, S Lee, S Oh, CH Kim, JH Bae, ...
Neural Computing and Applications 33, 9391-9402, 2021
72021
Synaptic device using a floating fin-body MOSFET with memory functionality for neural network
SY Woo, KB Choi, S Lim, ST Lee, CH Kim, WM Kang, D Kwon, JH Bae, ...
Solid-State Electronics 156, 23-27, 2019
62019
GIDL characteristics in gated-diode memory string and its application to current-steering digital-to-analog conversion
CH Kim, JW Lee, J Kim, J Kim, JH Lee
IEEE Transactions on Electron Devices 62 (10), 3272-3277, 2015
52015
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