Search Results for author: Myungsub Choi

Found 8 papers, 4 papers with code

Exploring Positional Characteristics of Dual-Pixel Data for Camera Autofocus

no code implementations ICCV 2023 Myungsub Choi, Hana Lee, Hyong-Euk Lee

We observe that, while these degradations are hard to model using prior knowledge, they are correlated with the spatial position of the pixels within the image sensor area, and we propose a learning-based autofocus model with positional encodings (PE) to capture these patterns.

Position

Searching for Controllable Image Restoration Networks

no code implementations ICCV 2021 Heewon Kim, Sungyong Baik, Myungsub Choi, Janghoon Choi, Kyoung Mu Lee

Diverse user preferences over images have recently led to a great amount of interest in controlling the imagery effects for image restoration tasks.

4k Image Restoration +1

DynaVSR: Dynamic Adaptive Blind Video Super-Resolution

1 code implementation9 Nov 2020 Suyoung Lee, Myungsub Choi, Kyoung Mu Lee

Most conventional supervised super-resolution (SR) algorithms assume that low-resolution (LR) data is obtained by downscaling high-resolution (HR) data with a fixed known kernel, but such an assumption often does not hold in real scenarios.

Meta-Learning Video Super-Resolution

Meta-Learning with Adaptive Hyperparameters

2 code implementations NeurIPS 2020 Sungyong Baik, Myungsub Choi, Janghoon Choi, Heewon Kim, Kyoung Mu Lee

Despite its popularity, several recent works question the effectiveness of MAML when test tasks are different from training tasks, thus suggesting various task-conditioned methodology to improve the initialization.

Few-Shot Learning

Channel Attention Is All You Need for Video Frame Interpolation

1 code implementation AAAI Conference on Artificial Intelligence 2020 Myungsub Choi, Heewon Kim, Bohyung Han, Ning Xu, Kyoung Mu Lee

Prevailing video frame interpolation techniques rely heavily on optical flow estimation and require additional model complexity and computational cost; it is also susceptible to error propagation in challenging scenarios with large motion and heavy occlusion.

Motion Estimation Optical Flow Estimation +1

Scene-Adaptive Video Frame Interpolation via Meta-Learning

1 code implementation CVPR 2020 Myungsub Choi, Janghoon Choi, Sungyong Baik, Tae Hyun Kim, Kyoung Mu Lee

Finally, we show that our meta-learning framework can be easily employed to any video frame interpolation network and can consistently improve its performance on multiple benchmark datasets.

Meta-Learning Test-time Adaptation +1

Task-Aware Image Downscaling

no code implementations ECCV 2018 Heewon Kim, Myungsub Choi, Bee Lim, Kyoung Mu Lee

Our framework is efficient, and it can be generalized to handle an arbitrary image resizing operation.

Colorization Image Colorization +1

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