High Frequency Matters: Uncertainty Guided Image Compression with Wavelet Diffusion

1 code implementation • 17 Jul 2024 • Juan Song, Jiaxiang He, Lijie Yang, Mingtao Feng, Keyan Wang

We introduce a wavelet conditional diffusion model for high frequency prediction, followed by a residual codec that compresses and transmits prediction residuals to the decoder.

Decoder Image Compression +1

Contrastive Semi-supervised Learning for Underwater Image Restoration via Reliable Bank

1 code implementation • CVPR 2023 • Shirui Huang, Keyan Wang, Huan Liu, Jun Chen, Yunsong Li

Despite the remarkable achievement of recent underwater image restoration techniques, the lack of labeled data has become a major hurdle for further progress.

Underwater Image Restoration

NTIRE 2022 Challenge on Efficient Super-Resolution: Methods and Results

2 code implementations • 11 May 2022 • Yawei Li, Kai Zhang, Radu Timofte, Luc van Gool, Fangyuan Kong, Mingxi Li, Songwei Liu, Zongcai Du, Ding Liu, Chenhui Zhou, Jingyi Chen, Qingrui Han, Zheyuan Li, Yingqi Liu, Xiangyu Chen, Haoming Cai, Yu Qiao, Chao Dong, Long Sun, Jinshan Pan, Yi Zhu, Zhikai Zong, Xiaoxiao Liu, Zheng Hui, Tao Yang, Peiran Ren, Xuansong Xie, Xian-Sheng Hua, Yanbo Wang, Xiaozhong Ji, Chuming Lin, Donghao Luo, Ying Tai, Chengjie Wang, Zhizhong Zhang, Yuan Xie, Shen Cheng, Ziwei Luo, Lei Yu, Zhihong Wen, Qi Wu1, Youwei Li, Haoqiang Fan, Jian Sun, Shuaicheng Liu, Yuanfei Huang, Meiguang Jin, Hua Huang, Jing Liu, Xinjian Zhang, Yan Wang, Lingshun Long, Gen Li, Yuanfan Zhang, Zuowei Cao, Lei Sun, Panaetov Alexander, Yucong Wang, Minjie Cai, Li Wang, Lu Tian, Zheyuan Wang, Hongbing Ma, Jie Liu, Chao Chen, Yidong Cai, Jie Tang, Gangshan Wu, Weiran Wang, Shirui Huang, Honglei Lu, Huan Liu, Keyan Wang, Jun Chen, Shi Chen, Yuchun Miao, Zimo Huang, Lefei Zhang, Mustafa Ayazoğlu, Wei Xiong, Chengyi Xiong, Fei Wang, Hao Li, Ruimian Wen, Zhijing Yang, Wenbin Zou, Weixin Zheng, Tian Ye, Yuncheng Zhang, Xiangzhen Kong, Aditya Arora, Syed Waqas Zamir, Salman Khan, Munawar Hayat, Fahad Shahbaz Khan, Dandan Gaoand Dengwen Zhouand Qian Ning, Jingzhu Tang, Han Huang, YuFei Wang, Zhangheng Peng, Haobo Li, Wenxue Guan, Shenghua Gong, Xin Li, Jun Liu, Wanjun Wang, Dengwen Zhou, Kun Zeng, Hanjiang Lin, Xinyu Chen, Jinsheng Fang

The aim was to design a network for single image super-resolution that achieved improvement of efficiency measured according to several metrics including runtime, parameters, FLOPs, activations, and memory consumption while at least maintaining the PSNR of 29. 00dB on DIV2K validation set.

Image Super-Resolution

Towards Multi-Domain Single Image Dehazing via Test-Time Training

no code implementations • CVPR 2022 • Huan Liu, Zijun Wu, Liangyan Li, Sadaf Salehkalaibar, Jun Chen, Keyan Wang

Motivated by this observation, we propose a test-time training method which leverages a helper network to assist the dehazing model in better adapting to a domain of interest.

Image Dehazing Meta-Learning +1

A Two-branch Neural Network for Non-homogeneous Dehazing via Ensemble Learning

1 code implementation • 18 Apr 2021 • Yankun Yu, Huan Liu, Minghan Fu, Jun Chen, Xiyao Wang, Keyan Wang

Recently, there has been rapid and significant progress on image dehazing.

Ensemble Learning Image Dehazing

DW-GAN: A Discrete Wavelet Transform GAN for NonHomogeneous Dehazing

1 code implementation • 18 Apr 2021 • Minghan Fu, Huan Liu, Yankun Yu, Jun Chen, Keyan Wang

By utilizing wavelet transform in DWT branch, our proposed method can retain more high-frequency knowledge in feature maps.

Generic Model-Agnostic Convolutional Neural Network for Single Image Dehazing

3 code implementations • 5 Oct 2018 • Zheng Liu, Botao Xiao, Muhammad Alrabeiah, Keyan Wang, Jun Chen

Haze and smog are among the most common environmental factors impacting image quality and, therefore, image analysis.

Image Dehazing Single Image Dehazing