no code implementations • 23 Aug 2021 • Sung Yun Woo, Dongseok Kwon, Byung-Gook Park, Jong-Ho Lee, Jong-Ho Bae
Positive-feedback (PF) device and its operation scheme to implement pulse width modulation (PWM) function was proposed and demonstrated, and the device operation mechanism for implementing PWM function was analyzed.
no code implementations • 29 Sep 2020 • Hyeonju Lee, Jong-Ho Lee, Minji An, Gunil Park, Sungchul Choi
We use the DBSCAN and k-means algorithms to identify the area in which a particular forklift is operating and the type of work it is performing.
no code implementations • 9 Jun 2020 • Seongbin Oh, Dongseok Kwon, Gyuho Yeom, Won-Mook Kang, Soochang Lee, Sung Yun Woo, Jang Saeng Kim, Min Kyu Park, Jong-Ho Lee
Furthermore, the effect of the device variation on the accuracy in temporally encoded SNN is investigated and compared with that of the rate-encoded network.
no code implementations • 19 Dec 2019 • Dongmyung Shin, Sooyeon Ji, Doohee Lee, Jieun Lee, Se-Hong Oh, Jong-Ho Lee
A novel approach of applying deep reinforcement learning to an RF pulse design is introduced.
no code implementations • 31 Oct 2019 • Woong-Hee Lee, Jong-Ho Lee, Ki Won Sung
This paper presents a computationally efficient technique for decomposing non-orthogonally superposed $k$ geometric sequences.
no code implementations • 30 Sep 2019 • Daniel Polak, Itthi Chatnuntawech, Jaeyeon Yoon, Siddharth Srinivasan Iyer, Jong-Ho Lee, Peter Bachert, Elfar Adalsteinsson, Kawin Setsompop, Berkin Bilgic
We propose Nonlinear Dipole Inversion (NDI) for high-quality Quantitative Susceptibility Mapping (QSM) without regularization tuning, while matching the image quality of state-of-the-art reconstruction techniques.
1 code implementation • 17 Sep 2019 • Woojin Jung, Jaeyeon Yoon, Joon Yul Choi, Jae Myung Kim, Yoonho Nam, Eung Yeop Kim, Jong-Ho Lee
To overcome this limitation, a data augmentation method is proposed to generalize the network for a wider range of susceptibility.
Image and Video Processing
no code implementations • 17 Nov 2018 • Soochang Lee, Chul-Heung Kim, Seongbin Oh, Byung-Gook Park, Jong-Ho Lee
We present a two-layer fully connected neuromorphic system based on a thin-film transistor (TFT)-type NOR flash memory array with multiple postsynaptic (POST) neurons.
1 code implementation • 15 Mar 2018 • Jaeyeon Yoon, Enhao Gong, Itthi Chatnuntawech, Berkin Bilgic, Jingu Lee, Woojin Jung, Jingyu Ko, Hosan Jung, Kawin Setsompop, Greg Zaharchuk, Eung Yeop Kim, John Pauly, Jong-Ho Lee
The QSMnet maps of the test dataset were compared with those from TKD and MEDI for image quality and consistency in multiple head orientations.
Image and Video Processing
no code implementations • 20 Jul 2017 • Suhwan Lim, Jong-Ho Bae, Jai-Ho Eum, Sungtae Lee, Chul-Heung Kim, Dongseok Kwon, Byung-Gook Park, Jong-Ho Lee
In this paper, we propose a learning rule based on a back-propagation (BP) algorithm that can be applied to a hardware-based deep neural network (HW-DNN) using electronic devices that exhibit discrete and limited conductance characteristics.