Search Results for author: Dongwon Park

Found 15 papers, 2 papers with code

Efficient Unified Demosaicing for Bayer and Non-Bayer Patterned Image Sensors

no code implementations ICCV 2023 Haechang Lee, Dongwon Park, Wongi Jeong, Kijeong Kim, Hyunwoo Je, Dongil Ryu, Se Young Chun

Our KLAP and KLAP-M methods achieved state-of-the-art demosaicing performance in both synthetic and real RAW data of Bayer and non-Bayer CFAs.

Demosaicking Meta-Learning

All-in-One Image Restoration for Unknown Degradations Using Adaptive Discriminative Filters for Specific Degradations

no code implementations CVPR 2023 Dongwon Park, Byung Hyun Lee, Se Young Chun

Image restorations for single degradations have been widely studied, demonstrating excellent performance for each degradation, but can not reflect unpredictable realistic environments with unknown multiple degradations, which may change over time.

Image Restoration

Efficient and Accurate Quantized Image Super-Resolution on Mobile NPUs, Mobile AI & AIM 2022 challenge: Report

2 code implementations7 Nov 2022 Andrey Ignatov, Radu Timofte, Maurizio Denna, Abdel Younes, Ganzorig Gankhuyag, Jingang Huh, Myeong Kyun Kim, Kihwan Yoon, Hyeon-Cheol Moon, Seungho Lee, Yoonsik Choe, Jinwoo Jeong, Sungjei Kim, Maciej Smyl, Tomasz Latkowski, Pawel Kubik, Michal Sokolski, Yujie Ma, Jiahao Chao, Zhou Zhou, Hongfan Gao, Zhengfeng Yang, Zhenbing Zeng, Zhengyang Zhuge, Chenghua Li, Dan Zhu, Mengdi Sun, Ran Duan, Yan Gao, Lingshun Kong, Long Sun, Xiang Li, Xingdong Zhang, Jiawei Zhang, Yaqi Wu, Jinshan Pan, Gaocheng Yu, Jin Zhang, Feng Zhang, Zhe Ma, Hongbin Wang, Hojin Cho, Steve Kim, Huaen Li, Yanbo Ma, Ziwei Luo, Youwei Li, Lei Yu, Zhihong Wen, Qi Wu, Haoqiang Fan, Shuaicheng Liu, Lize Zhang, Zhikai Zong, Jeremy Kwon, Junxi Zhang, Mengyuan Li, Nianxiang Fu, Guanchen Ding, Han Zhu, Zhenzhong Chen, Gen Li, Yuanfan Zhang, Lei Sun, Dafeng Zhang, Neo Yang, Fitz Liu, Jerry Zhao, Mustafa Ayazoglu, Bahri Batuhan Bilecen, Shota Hirose, Kasidis Arunruangsirilert, Luo Ao, Ho Chun Leung, Andrew Wei, Jie Liu, Qiang Liu, Dahai Yu, Ao Li, Lei Luo, Ce Zhu, Seongmin Hong, Dongwon Park, Joonhee Lee, Byeong Hyun Lee, Seunggyu Lee, Se Young Chun, Ruiyuan He, Xuhao Jiang, Haihang Ruan, Xinjian Zhang, Jing Liu, Garas Gendy, Nabil Sabor, Jingchao Hou, Guanghui He

While numerous solutions have been proposed for this problem in the past, they are usually not compatible with low-power mobile NPUs having many computational and memory constraints.

Image Super-Resolution

Coil2Coil: Self-supervised MR image denoising using phased-array coil images

no code implementations16 Aug 2022 Juhyung Park, Dongwon Park, Hyeong-Geol Shin, Eun-Jung Choi, Hongjun An, Minjun Kim, Dongmyung Shin, Se Young Chun, Jongho Lee

Hence, methods such as Noise2Noise (N2N) that require only pairs of noise-corrupted images have been developed to reduce the burden of obtaining training datasets.

Image Denoising

Self-supervised regression learning using domain knowledge: Applications to improving self-supervised denoising in imaging

no code implementations10 May 2022 Il Yong Chun, Dongwon Park, Xuehang Zheng, Se Young Chun, Yong Long

Regression that predicts continuous quantity is a central part of applications using computational imaging and computer vision technologies.

Image Denoising regression +1

Self-supervised regression learning using domain knowledge: Applications to improving self-supervised image denoising

no code implementations29 Sep 2021 Il Yong Chun, Dongwon Park, Xuehang Zheng, Se Young Chun, Yong Long

Regression that predicts continuous quantity is a central part of applications using computational imaging and computer vision technologies.

Image Denoising regression +1

Blur More To Deblur Better: Multi-Blur2Deblur For Efficient Video Deblurring

no code implementations23 Dec 2020 Dongwon Park, Dong Un Kang, Se Young Chun

Secondly, we propose multi-blurring recurrent neural network (MBRNN) that can synthesize more blurred images from neighboring frames, yielding substantially improved performance with existing video deblurring methods.

Ranked #5 on Deblurring on DVD (using extra training data)

Deblurring Image Deblurring

Task-Aware Variational Adversarial Active Learning

no code implementations CVPR 2021 Kwanyoung Kim, Dongwon Park, Kwang In Kim, Se Young Chun

Often, labeling large amount of data is challenging due to high labeling cost limiting the application domain of deep learning techniques.

Active Learning Generative Adversarial Network +1

Multi-Temporal Recurrent Neural Networks For Progressive Non-Uniform Single Image Deblurring With Incremental Temporal Training

1 code implementation ECCV 2020 Dongwon Park, Dong Un Kang, Jisoo Kim, Se Young Chun

Multi-scale (MS) approaches have been widely investigated for blind single image / video deblurring that sequentially recovers deblurred images in low spatial scale first and then in high spatial scale later with the output of lower scales.

Deblurring Image Deblurring

Down-Scaling with Learned Kernels in Multi-Scale Deep Neural Networks for Non-Uniform Single Image Deblurring

no code implementations25 Mar 2019 Dongwon Park, Jisoo Kim, Se Young Chun

Our proposed CNN-based down-scaling was the key factor for this excellent performance since the performance of our network without it was decreased by 1. 98dB.

Deblurring Image Deblurring

Real-Time, Highly Accurate Robotic Grasp Detection using Fully Convolutional Neural Network with Rotation Ensemble Module

no code implementations19 Dec 2018 Dongwon Park, Yonghyeok Seo, Se Young Chun

However, rotation-invariance in robotic grasp detection has been only recently studied by using rotation anchor box that are often time-consuming and unreliable for multiple objects.

Face Detection Robotic Grasping

Real-Time, Highly Accurate Robotic Grasp Detection using Fully Convolutional Neural Networks with High-Resolution Images

no code implementations16 Sep 2018 Dongwon Park, Yonghyeok Seo, Se Young Chun

Our methods also achieved state-of-the-art detection accuracy (up to 96. 6%) with state-of- the-art real-time computation time for high-resolution images (6-20ms per 360x360 image) on Cornell dataset.

Classification based Grasp Detection using Spatial Transformer Network

no code implementations4 Mar 2018 Dongwon Park, Se Young Chun

Typically, regression based grasp detection methods have outperformed classification based detection methods in computation complexity with excellent accuracy.

Classification General Classification +1

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