Jongwon Choi's Homepage

This website is no longer updated. Please visit VILab's homepage: LINK

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

[Google Scholar] [Curriculum Vitae]

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

[pdf]



  • 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),

[Paper] [Arxiv] [Supplementary] [Github]

    • 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]

Associative Variational Auto-encoder with Distributed Latent Spaces and Associators

Dae Ung Jo, ByeongJu Lee, Jongwon Choi, Haanju Yoo, Jin Young Choi

AAAI Conference on Artificial Intelligence (AAAI2020),

[Paper] [ArXiv]

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]

[pdf] [ArXiv] [project page(code & result)]

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]

[pdf] [project page(code & result)]

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]

[pdf] [project page(github & result)]

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]

[pdf] [project page(code & result)]

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]

[pdf] [project page(github & result)]

  • 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)

[pdf]

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]

[pdf]

User Interactive Segmentation with Partially Growing Random Forest

Jongwon Choi, Jin Young Choi,

IEEE International Conference on Image Processing, 2015 (ICIP2015) [oral]

[pdf] [dataset]

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)

[pdf]

Example-based Denoising for Detail Texture

Jongwon Choi, Jin Young Choi

International Symposium on Advanced Intelligent Systems, 2015 (ISIS2015)

[pdf] [poster]


Scene-invariant Crowd Density Estimation with Aggregated Features

Jiyeoup Jeong, Jongwon Choi, Jin Young Choi

International Symposium on Advanced Intelligent Systems, 2015 (ISIS2015)

[pdf]

  • 2014

Balanced Optical Flow Refinement by Bidirectional Constraint

Jongwon Choi, Hyeongwoo Kim, Tae-Hyun Oh, In So Kweon

IEEE International Conference on Image Processing, 2014 (ICIP2014)

[pdf] [code]

Single-camera Based Vehicle Pose Estimation Using Multiple Features on the Road Surface

Jongwon Choi, Tae-Hyun Oh, In So Kweon

The 8th International Workshop on Robust Computer Vision (IWRCV), 2014

[pdf] [poster]

    • 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

[pdf]

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

[pdf]