no code implementations • 9 Jan 2024 • Heewon Kim, Hyun Sung Chang, Kiho Cho, Jaeyun Lee, Bohyung Han
In this framework, we provide a proper objective function and an optimization algorithm based on two expectation-maximization (EM) cycles.
1 code implementation • 21 Jul 2022 • Cheeun Hong, Sungyong Baik, Heewon Kim, Seungjun Nah, Kyoung Mu Lee
In this work, to achieve high average bit-reduction with less accuracy loss, we propose a novel Content-Aware Dynamic Quantization (CADyQ) method for SR networks that allocates optimal bits to local regions and layers adaptively based on the local contents of an input image.
no code implementations • 16 Jun 2022 • Heewon Kim, Kyoung Mu Lee
Specifically, an encoder-decoder framework encodes the retouching skills into latent codes and decodes them into the parameters of image signal processing (ISP) functions.
1 code implementation • CVPR 2022 • Junghun Oh, Heewon Kim, Seungjun Nah, Cheeun Hong, Jonghyun Choi, Kyoung Mu Lee
Image restoration tasks have witnessed great performance improvement in recent years by developing large deep models.
no code implementations • 2 Dec 2021 • Junghun Oh, Heewon Kim, Sungyong Baik, Cheeun Hong, Kyoung Mu Lee
The goal of filter pruning is to search for unimportant filters to remove in order to make convolutional neural networks (CNNs) efficient without sacrificing the performance in the process.
1 code implementation • ICCV 2021 • Sungyong Baik, Janghoon Choi, Heewon Kim, Dohee Cho, Jaesik Min, Kyoung Mu Lee
The problem lies in that each application and task may require different auxiliary loss function, especially when tasks are diverse and distinct.
no code implementations • 17 May 2021 • Andrey Ignatov, Andres Romero, Heewon Kim, Radu Timofte, Chiu Man Ho, Zibo Meng, Kyoung Mu Lee, Yuxiang Chen, Yutong Wang, Zeyu Long, Chenhao Wang, Yifei Chen, Boshen Xu, Shuhang Gu, Lixin Duan, Wen Li, Wang Bofei, Zhang Diankai, Zheng Chengjian, Liu Shaoli, Gao Si, Zhang Xiaofeng, Lu Kaidi, Xu Tianyu, Zheng Hui, Xinbo Gao, Xiumei Wang, Jiaming Guo, Xueyi Zhou, Hao Jia, Youliang Yan
Video super-resolution has recently become one of the most important mobile-related problems due to the rise of video communication and streaming services.
no code implementations • ICCV 2021 • Myungsub Choi, Suyoung Lee, Heewon Kim, Kyoung Mu Lee
Video frame interpolation aims to synthesize accurate intermediate frames given a low-frame-rate video.
2 code implementations • 21 Dec 2020 • Cheeun Hong, Heewon Kim, Sungyong Baik, Junghun Oh, Kyoung Mu Lee
Quantizing deep convolutional neural networks for image super-resolution substantially reduces their computational costs.
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.
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.
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.
no code implementations • 18 Nov 2019 • Heewon Kim, Seokil Hong, Bohyung Han, Heesoo Myeong, Kyoung Mu Lee
We present an elegant framework of fine-grained neural architecture search (FGNAS), which allows to employ multiple heterogeneous operations within a single layer and can even generate compositional feature maps using several different base operations.
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.
46 code implementations • 10 Jul 2017 • Bee Lim, Sanghyun Son, Heewon Kim, Seungjun Nah, Kyoung Mu Lee
Recent research on super-resolution has progressed with the development of deep convolutional neural networks (DCNN).
Ranked #1 on Image Super-Resolution on DIV2K val - 4x upscaling (PSNR metric)