Kiseok Choi (최기석)
Kiseok Choi (최기석)
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I'm a postdoctoral researcher at KAIST Visual Computing Lab (VCLAB), supervised by professor Min H. Kim. My research interests include various applications of graphics, including differentiable rendering, physics-aware graphics, x-ray computed tomography (CT) reconstuction and non-line-of-sight (NLOS) imaging.
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Education
Education
[2021. 03. - 2026. 02.] PhD, School of Computing, KAIST, Republic of Korea
[2006. 03. - 2008. 02.] MS, Electrical Engineering and Computer Science, Seoul National University (SNU), Republic of Korea
[2002. 03. - 2006. 02.] BS, Computer Science and Engineering, Seoul National University (SNU), Republic of Korea
Awards / Scholarship
Awards / Scholarship
2026 Eurographics Best Paper Award, European Association for Computer Graphics
2026 Jang Young Sil Fellow Program (Excellence Track) for Postdoc., KAIST
2026 Outstanding PhD Thesis Award in School of Computing, KAIST
2023 Program Directors Award, Samsung Science & Technology Foundation
2021 Top 10 Research Accomplishments, KAIST
Research Area
Research Area
Differentiable rendering
Physics-aware graphics
X-ray computed tomography (CT)
Non-line-of-sight (NLOS) imaging
Publications
Publications
⭐ Splat-Based Metal Artifact Reduction in Cone-Beam CT via Compact Attenuation Modeling
Kiseok Choi, Jaemin Cho, Inchul Kim, Min H. Kim
Proc. IEEE/CVF Computer Vision and Pattern Recognition (CVPR 2026), Jun. 3 – 7, 2026
⭐ Revisiting Pose Sensitivity in Splat-based Computed Tomography under Sparse-view Reconstruction
Kiseok Choi, Hyeongjun Cho, Inchul Kim, Min H. Kim
Proc. IEEE/CVF Computer Vision and Pattern Recognition (CVPR 2026), Jun. 3 – 7, 2026
Splat-based Metal Artifact Reduction in Cone-Beam CT via Polychromatic Modeling
Kiseok Choi, Inchul Kim, Jaemin Cho, Hyeongjun Cho, Min H. Kim
Coomputer Graphics Forum (CGF), presented at Eurographics 2026, 45(2), May 4 – 8, 2026
Best Paper Award
⭐ Designing and Fabricating Color BRDFs with Differentiable Wave Optics
Yixin Zeng, Kiseok Choi, Hadi Amata, Kaizhang Kang, Wolfgang Heidrich, Hongzhi Wu, Min H. Kim
ACM Transactions on Graphics (TOG), presented at SIGGRAPH Asia 2025, 44(6), Dec. 15 – 18, 2025
⭐ Benchmarking Burst Super-Resolution for Polarization Images: Noise Dataset and Analysis
Inseung Hwang, Kiseok Choi, Hyunho Ha, Min H. Kim
Proc. IEEE/CVF International Conference on Computer Vision (ICCV 2025), Oct. 19 – 23, 2025
⭐ Self-Calibrating, Fully Differentiable NLOS Inverse Rendering
Kiseok Choi, Inchul Kim, Dongyoung Choi, Julio Marco, Diego Gutierrez, Min H. Kim
Proc. ACM SIGGRAPH Asia 2023, Dec. 12 – 15, 2023
⭐ Differentiable Transient Rendering
Shinyoung Yi, Donggun Kim, Kiseok Choi, Adrian Jarabo, Diego Gutierrez, Min H. Kim
ACM Transactions on Graphics (TOG), presented at SIGGRAPH Asia 2021, 40(6), Dec. 14 – 17, 2021
* ⭐ denotes papers published at premier venues in vision and graphics (e.g., SIGGRAPH, SIGGRAPH Asia, CVPR, ICCV, ECCV).
* ⭐ denotes papers published at premier venues in vision and graphics (e.g., SIGGRAPH, SIGGRAPH Asia, CVPR, ICCV, ECCV).
Professional Experience
Professional Experience
[2011. 11. - 2021. 01.] Senior Researcher, Sonar Systems Project Management Office, Agency for Defense Development (ADD), Republic of Korea
[2008. 01. - 2011. 03.] Researcher, Battery Research Center, SK Innovation, Republic of Korea
Teaching Assistant Experience
Teaching Assistant Experience
Interactive Computer Graphics @ KAIST
Special Topics in Embedded System @ Seoul National University
Advanced Computer Architecture @ Seoul National University
Computer Architecture @ Seoul National University
Projects
Projects
[2025-2026] Spatio-Temporal Gated Imaging System (Samsung Science & Technology Foundation)
[2023-2025] X-ray CT Artifact Reduction (***)
[2021-2023] Non-line-of-sight Imaging System (Samsung Science & Technology Foundation)
[2020-2021] Sonar System for Destroyer-class Surface Ship (ADD)
[2014-2020] Harbor Underwater Surveillance System (ADD)
[2011-2014] Sonar System for Submarine (ADD)
[2008-2011] Battery Management System (SK Innovation)
[2007-2008] File System Reliability Improvement for Mobile Phone (LG Electronics)
[2006-2007] Development Platform for Flash Memory Controller (ETRI)
Reviewer Experience
Reviewer Experience
SIGGRAPH: 2026
SIGGRAPH Asia: 2025, 2026
IEEE Transactions on Visualization and Computer Graphics: 2025, 2026
IEEE Transactions on Pattern Analysis and Machine Intelligence: 2025
IEEE Transactions on Cybernetics: 2026
CVPR: 2025
Pacific Graphics: 2023
3DV: 2026
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