Jongwon Choi's Homepage
Ph. D. Jongwon Choi
Assistant Professor,
Visual Intelligence Lab. (VILab) [Homepage]
Department of Advanced Imaging & Graduate School of AI, Chung-Ang University
305-801, 84, Heukseok-ro 5-gil, Dongjak-gu, Seoul, Republic of Korea
Email : choijw [at] cau.ac.kr, jwchoi.pil [at] gmail.com
Research Interests
Low-level Computer Vision Algorithm
Visual Tracking
Domain Transfer
Active Learning
Deep Learning Architecture
Experience
2020.3-Current Assistant Professor at Chung-Ang University
2018.6-2020.2 Research Engineer in Samsung SDS
2016.8-2016.11 Visiting Student to Robotics Lab. in Imperial College London (Prof. Yiannis Demiris)
2017.10-2017.11 Visiting Student to Robotics Lab. in Imperial College London (Prof. Yiannis Demiris)
Honors & Awards
2021.11 Outstanding Paper, Korean Artificial Intelligence Association Conference (2021 Fall)
2021.06 Outstanding Reviewer, IEEE Conference on Computer Vision and Pattern Recognition 2021 (CVPR2021)
2020.01 Excellence Award on Research Activities, Samsung SDS
2018.06 Doctoral Consortium Presenter, IEEE Conference on Computer Vision and Pattern Recognition 2018 (CVPR2018)
2018.02 Best Paper Award, 30th Workshop on Image Processing and Image Understanding (IPIU2018)
2017.02 Best Paper Award, 29th Workshop on Image Processing and Image Understanding (IPIU2017)
2013.08 Qualcomm Fellowship Award 2013
2013.01 Best Poster Award, The 7th International Workshop on Robust Computer Vision (IWRCV 2013)
2012.09 Encouragement Award, The 11th Unmanned Ground Vehicle Competition 2012, Hyundai Motor
Patent
US Patent 20150030203 A1 (14/288,844), Method and apparatus for detecting smoke from image (2014/5/28)
Korea Patent 10-2015-0071247, Part-based flame detection device and method (2016/12/20)
Publications
International Journal
2022
Optimization-Based Method Removing Highlights with Flash/No-Flash Image
Jongwon Choi, Sangdoo Yun, Jin Young Choi
Optics Express, 2022.05 (accepted)
[pdf]
Congestion-aware Bayesian Loss for Crowd Counting
Jiyeoup Jeong, Jongwon Choi, Dae Ung Jo, Jin Young Choi
IEEE Access, 2022.01 (accepted)
[pdf]
Visual content analysis of visitors’ engagement with an instagrammable exhibition
Bo-A. Rhee, Federico Pianzola, Jongwon Choi, Wooseok Hyung, Jinsoo Hwang
Museum Management and Curatorship (A&HCI), 2022.01
[pdf]
2021
Rollback Ensemble with Multiple Local Minima in Fine-tuning Deep Learning Networks
Youngmin Ro, Jongwon Choi, Byeongho Heo, and Jin Young Choi
IEEE Transactions on Neural Networks and Learning Systems (TNNLS), 2021.02 (accepted)
[pdf]
Motion-aware Ensemble of Three-mode Trackers for Unmanned Aerial Vehicles
Kyuewang Lee, Hyung Jin Chang, Jongwon Choi, Byeongho Heo, Aleˇs Leonardis, Jin Young Choi
Machine Vision and Applications (MVA), 2021.02 (accepted)
[pdf]
2018
Action-Driven Visual Object Tracking with Deep Reinforcement Learning
Sangdoo Yun, Jongwon Choi, Youngjoon Yoo, Kimin Yun, and Jin Young Choi
IEEE Transactions on Neural Networks and Learning Systems (TNNLS), 2018.03 (published)
[pdf]
2014
An Autonomous Driving System for Unknown Environments using a Unified Map
Inwook Shim, Jongwon Choi, Seunghak Shin, Tae-Hyun Oh, Unghui Lee, Byungtae Ahn, Dong-Geol Choi, David Hyunchul Shim, In So Kweon
IEEE Transactions on Intelligent Transportation Systems (T-ITS), 2014
International Conference
2022
FingerprintNet: Synthesized Fingerprints for Generated Image Detection
Yonghyun Jeong, Doyeon Kim, Youngmin Ro, Pyounggeon Kim, Jongwon ChoiEuropean Conference on Computer Vision 2022 (ECCV2022) [Top-tier CV Conference], [Paper] [Arxiv] [Supplementary] [Github]
FrePGAN: Robust Deepfake Detection Using Frequency-level Perturbations
Yonghyun Jeong, Doyeon Kim, Youngmin Ro, Jongwon Choi
AAAI Conference on Artificial Intelligence 2022 (AAAI2022) [Top-tier AI Conference],
[Paper] [Arxiv] [Supplementary] [Github]
BiHPF: Bilateral High-Pass Filters for Robust Detection of Synthesized Images
Yonghyun Jeong, Doyeon Kim, Seungjai Min, Seongho Joe, Youngjune Gwon, Jongwon Choi
Winter Conference on Applications of Computer Vision 2022 (WACV2022),
[Paper] [Supplementary] [Github]
mToFNet: Object Anti-Spoofing with Mobile Time-of-Flight Data
Yonghyun Jeong, Doyeon Kim,Jaehyeon Lee, Minki Hong, Solbi Hwang, Jongwon Choi
Winter Conference on Applications of Computer Vision 2022 (WACV2022),
[Paper] [Supplementary] [Github]
Novel-View Synthesis of Human Tourist Photos
Jonathan Freer, Kwang Moo Yi, Wei Jiang, Jongwon Choi, Hyung Jin Chang
Winter Conference on Applications of Computer Vision 2022 (WACV2022),
[Paper] [Supplementary] [Github]
2021
VaB-AL: Incorporating Class Imbalance and Difficulty with Variational Bayes for Active Learning
Jongwon Choi*, Kwang Moo Yi*, Jihoon Kim, Jinho Choo, Byoungjip Kim, Jin-Yeop Chang, Youngjune Gwon, Hyung Jin Chang
(* Equally contributed)
IEEE Conference on Computer Vision and Pattern Recognition 2021 (CVPR2021),
2020
Visual Domain Adaptation by Consensus-based Transfer to Intermediate Domain
Jongwon Choi, Youngjoon Choi, Jihoon Kim, Jinyeop Chang, Ilhwan Kown, Youngjune Gwon, Seungjai Min
AAAI Conference on Artificial Intelligence (AAAI2020),
[Paper] [Supplementary]
DoFNet: Depth of Field Difference Learning for Detecting Image Forgery
Yonghyun Jeong*, Jongwon Choi*, Doyeon Kim, Sehyeon Park, Minki Hong, Changhyun Park, Seungjai Min, Youngjune Gwon (*Equally contributed)
Asian Conference on Computer Vision (ACCV2020), [Oral Presentation]
[Paper] [Supplementary]
2019
Backbone Can Not be Trained at Once: Rolling Back to Pre-trained Network for Person Re-Identification
Youngmin Ro, Jongwon Choi, Dae Ung Jo, Byeongho Heo, Jongin Lim, Jin Young Choi
AAAI Conference on Artificial Intelligence (AAAI2019), [Poster]
Accelerating Simultaneous Optimization of the Model Architecture and the Training Hyperparameter
Youngjoon Choi, Jongwon Choi, Hankyu Moon, Jaeyoung Lee, Jin-Yeop Chang
IEEE International Conference on Image Processing (ICIP2019), [Oral]
[Paper]
2018
Context-aware Deep Feature Compression for High-speed Visual Tracking
Jongwon Choi, Hyung Jin Chang, Tobias Fischer, Sangdoo Yun, Kyuewang Lee, Jiyeoup Jeong, Yiannis Demiris, Jin Young Choi
IEEE Conference on Computer Vision and Pattern Recognition 2018 (CVPR2018), [Poster]
Selective Ensemble Network for Accurate Crowd Density Estimation
Jiyeoup Jeong, Hawook Jeong, Jongin Lim, Jongwon Choi, Sangdoo Yun, Jin Young Choi
International Conference on Pattern Recognition (ICPR2018), [Poster]
[pdf]
2017
Attentional Correlation Filter Network for Adaptive Visual Tracking
Jongwon Choi, Hyung Jin Chang, Sangdoo Yun, Tobias Fischer, Yiannis Demiris, Jin Young Choi
IEEE Conference on Computer Vision and Pattern Recognition 2017 (CVPR2017), [Poster]
Action-Decision Network for Visual Tracking with Deep Reinforcement Learning
Sangdoo Yun, Jongwon Choi, Youngjoon Yoo, Kimin Yun, and Jin Young Choi
IEEE Conference on Computer Vision and Pattern Recognition 2017 (CVPR2017), [Spotlight]
Effect of Learning Rate to Generalization Power
Dae Ung Jo, Jongwon Choi, Jin Young Choi
International Symposium on Advanced Intelligent Systems, 2017 (ISIS2017), [Poster]
[pdf]
2016
An Integrated Framework for 24-hours Fire Detection
Jongwon Choi, Jin Young Choi
European Conference on Computer Vision Workshop, 2016 (ECCVW2016), [Poster]
[pdf]
Density-aware Pedestrian Proposal Networks for Robust People Detection in Crowded Scenes
Sangdoo Yun, Kimim Yun, Jongwon Choi, Jin Young Choi
European Conference on Computer Vision Workshop, 2016 (ECCVW2016), [Poster]
[pdf]
Visual Tracking Using Attention-Modulated Disintegration and Integration
Jongwon Choi, Hyung Jin Chang, Jiyeoup Jeong, Yiannis Demiris, Jin Young Choi
IEEE Conference on Computer Vision and Pattern Recognition 2016 (CVPR2016), [Poster]
2015
Patch-based Fire Detection with Online Outlier Learning
Jongwon Choi and Jin Young Choi,
IEEE International Conferenece on Advanced Video and Signal based Surveillance, 2015 (AVSS2015)
Robust Pan-Tilt-Zoom Tracking via Optimization Combining Motion Features and Appearance Correlations
ByeongJu Lee, Kimin Yun, Jongwon Choi, Jin Young Choi,
IEEE International Conferenece on Advanced Video and Signal based Surveillance, 2015 (AVSS2015) [oral]
Gradient Preserving RGB-to-Gray Conversion using Random Forest
ByeongJu Lee, Jongwon Choi, Kimin Yun, Jin Young Choi
IEEE International Conference on Image Processing, 2015 (ICIP2015)
Scene-invariant Crowd Density Estimation with Aggregated Features
Jiyeoup Jeong, Jongwon Choi, Jin Young Choi
International Symposium on Advanced Intelligent Systems, 2015 (ISIS2015)
2014
2013
Crosswalk and Traffic Light Detection via Integral Framework
Jongwon Choi, Byungtae Ahn, In So Kweon
19th Korea-Japan Joint Workshop on Frontiers of Computer Vision (FCV), 2013
Implementation of Driverless Car: Efficient Sensor Network for High Speed Robot
Seunghak Shin, Inwook Shim, Byungtae Ahn, Tae-Hyun Oh, Jongwon Choi, In So Kweon
The 7th International Workshop on Robust Computational Vision (IWRCV), 2013 (Best poster award)
[pdf]
2012
A Superpixel MRF Approach Using High-order Likelihood for Moving Object Detection
Jihong Min, Hyeongwoo Kim, Jongwon Choi, In So Kweon
21st International Conference on Pattern Recognition (ICPR), 2012