Inchang Choi

Inchang Choi

Research Scientist at SenseBrain
[CV] [Google Scholar]

I am a research scientist at SenseBrain. I studied for PhD in Visual Computing Lab. at KAIST. My PhD advisor is professor Min H. Kim. Before joining VCLAB, I obtained my master degree under the advisory of professor Yu-Wing Tai, also in School of Computing, KAIST . From February to October 2018, I did internship in LPR (Learning and Perception Research) group of NVIDIA Research in Santa Clara.

My research interests cover low-level computer vision, computational photography, and computer graphics. In particular, I have participated in many research projects of computational photography that enhance image/video quality and extract additional information including alpha mattes, high dynamic range, hyperspectra, and novel view. These works effectively utilized machine learning methods such as sparse coding and deep convolutional neural networks.

Extreme View Synthesis

Inchang Choi, Orazio Gallo, Alejandro Troccoli,
Min H. Kim, Jan Kautz
International Conference on Computer Vision
(ICCV 2019, Oral)

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Light-weight Novel View Synthesis for Casual Multiview Photography

Inchang Choi, Yeong Beum Lee, Dae R. Jeong,
Insik Shin, Min H. Kim
International Symposium on Visual Computing
(ISVC 2019, Oral)

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Real-time HDR Video Tone Mapping using High Efficiency Video Coding

Mingyun Kang, Joo Ho Lee, Inchang Choi, Min H. Kim
IEEE International Conference on Image Processing
(ICIP 2019)

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Enhancing the Spatial Resolution of Stereo Images using a Parallax Prior

Daniel S. Jeon, Seung-Hwan Baek, Inchang Choi, Min H. Kim
IEEE Computer Vision and Pattern Recognition (CVPR 2018)

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High-Quality Hyperspectral Reconstruction Using a Spectral Prior

Inchang Choi, Daniel S. Jeon, Giljoo Nam,
Diego Gutierrez, Min H. Kim
ACM Transactions on Graphics (TOG)
To be presented at SIGGRAPH Asia 2017

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Reconstructing Interlaced High-Dynamic-Range Video using Joint Learning

Inchang Choi, Seung-Hwan Baek, Min H. Kim
IEEE Transactions on Image Processing (TIP)
24 July 2017

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Multiview Image Completion with Space Structure Propagation

Seung-Hwan Baek, Inchang Choi, Min H. Kim
IEEE Computer Vision and Pattern Recognition (CVPR 2016)

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Laplacian Patch-Based Image Synthesis

Joo Ho Lee, Inchang Choi, Min H. Kim
IEEE Computer Vision and Pattern Recognition (CVPR 2016)

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Multisampling Compressive Video Spectroscopy

Daniel S. Jeon, Inchang Choi, Min H. Kim
Computer Graphics Forum (Proc. EUROGRAPHICS 2016)

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A Learning-Based Approach to Reduce JPEG Artifacts in Image Matting

Inchang Choi, Sunyeong Kim, Michael S. Brown, Yu-Wing Tai
IEEE International Conference on Computer Vision (ICCV 2013)

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Video Matting Using Multi-Frame Nonlocal Matting Laplacian

Inchang Choi, Minhaeng Lee, Yu-Wing Tai
European Conference on Computer Vision (ECCV 2012)

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3D 360 Camera System and Algorithm

Inchang Choi, Min H. KIM,
Center for Integrated Smart Sensor

We are developing processing algorithms for integrated smart sensors. (2017-present)


Developing Applications for the Common Mobile Platform

Inchang Choi, Min H. KIM,
Center for Mobile Software Platform

We developed a collaborative photography service layer in our mobile software platform. (2015-2016)

Interlaced HDR Imaging Algorithms for CIS Modules

Inchang Choi, Min H. KIM, SK Hynix

We developed an HDR image/video reconstruction algorithm for a new type of CIS. (2014-2015)


High-Fidelity 3D Representation of 4D Light-Field Images

Inchang Choi, Joo Ho Lee, Min H. KIM, Samsung Electronics

We develope a system of rendering high-fidelity 3D representation of light-field images. (2013-2014)

Video Enhancement and Editing using Inputs for Xbox Kinect

Inchang Choi, Min Haeng Lee, Yu-Wing Tai,
Microsoft Research Asia

The goal of this project was to develop a real-time video matting algorithm for RGB-D video stream. (2011-2012)


Automatic High Quality 3D Video Transformation for 2D Video

Inchang Choi, Yu-Wing Tai, KOCCA

In this project, we developed an interactive video segmentation software to semi-automatically generate 3D video from legacy 2D video. (2010-2013)

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