H
Hanwen Liu
Researcher at Hong Kong Polytechnic University
Publications - 25
Citations - 374
Hanwen Liu is an academic researcher from Hong Kong Polytechnic University. The author has contributed to research in topics: Multigrid method & Computer science. The author has an hindex of 8, co-authored 21 publications receiving 253 citations. Previous affiliations of Hanwen Liu include ETH Zurich & Politehnica University of Timișoara.
Papers
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Proceedings ArticleDOI
NTIRE 2019 Challenge on Real Image Super-Resolution: Methods and Results
Jianrui Cai,Shuhang Gu,Radu Timofte,Lei Zhang,Xiao Liu,Ding Yukang,Dongliang He,Chao Li,Yi Fu,Shilei Wen,Ruicheng Feng,Jinjin Gu,Yu Qiao,Chao Dong,Dongwon Park,Se Young Chun,Sanghoon Yoon,Junhyung Kwak,Donghee Son,Syed Waqas Zamir,Aditya Arora,Salman H. Khan,Fahad Shahbaz Khan,Ling Shao,Zhengping Wei,Lei Liu,Hong Cai,Darui Li,Fujie Gao,Zheng Hui,Xiumei Wang,Xinbo Gao,Guoan Cheng,Ai Matsune,Qiuyu Li,Leilei Zhu,Huaijuan Zang,Shu Zhan,Yajun Qiu,Ruxin wang,Jiawei Li,Yongcheng Jing,Mingli Song,Pengju Liu,Kai Zhang,Jingdong Liu,Jiye Liu,Hongzhi Zhang,Wangmeng Zuo,Wenyi Tang,Jing Liu,Youngjung Kim,Changyeop Shin,Minbeom Kim,Sungho Kim,Pablo Navarrete Michelini,Hanwen Liu,Dan Zhu,Xuan Xu,Xin Li,Furui Bai,Xiaopeng Sun,Lin Zha,Yuanfei Huang,Wen Lu,Yanpeng Cao,Du Chen,Zewei He,Sun Anshun,Siliang Tang,Fan Hongfei,Xiang Li,Li Guo,Zhang Wenjie,Zhang Yumei,Qingwen He,Jinghui Qin,Lishan Huang,Yukai Shi,Pengxu Wei,Wushao Wen,Liang Lin,Jun Yu,Guochen Xie,Mengyan Li,Rong Chen,Xiaotong Luo,Chen Hong,Yanyun Qu,Cuihua Li,Zhi-Song Liu,Li-Wen Wang,Chu-Tak Li,Can Zhao,Bowen Li,Chung-Chi Tsai,Shang-Chih Chuang,Joon-Hee Choi,Joon-Soo Kim,Xiaoyun Jiang,Ze Pan,Qunbo Lv,Zheng Tan,Peidong He +103 more
TL;DR: The 3rd NTIRE challenge on single-image super-resolution (restoration of rich details in a low-resolution image) is reviewed with a focus on proposed solutions and results and the state-of-the-art in real-world single image super- resolution.
Proceedings ArticleDOI
NTIRE 2019 Challenge on Image Enhancement: Methods and Results
Andrey Ignatov,Radu Timofte,Xiaochao Qu,Xingguang Zhou,Ting Liu,Pengfei Wan,Syed Waqas Zamir,Aditya Arora,Salman Khan,Fahad Shahbaz Khan,Ling Shao,Dongwon Park,Se Young Chun,Pablo Navarrete Michelini,Hanwen Liu,Dan Zhu,Zhiwei Zhong,Xianming Liu,Junjun Jiang,Debin Zhao,Muhammad Haris,Kazutoshi Akita,Tomoki Yoshida,Greg Shakhnarovich,Norimichi Ukita,Jie Liu,Cheolkon Jung,Raimondo Schettini,Simone Bianco,Claudio Cusano,Flavio Piccoli,Pengju Liu,Kai Zhang,Jingdong Liu,Jiye Liu,Hongzhi Zhang,Wangmeng Zuo,Nelson Chong Ngee Bow,Lai-Kuan Wong,John See,Jinghui Qin,Lishan Huang,Yukai Shi,Pengxu Wei,Wushao Wen,Liang Lin,Zheng Hui,Xiumei Wang,Xinbo Gao,Kanti Kumari,Vikas Kumar Anand,Mahendra Khened,Ganapathy Krishnamurthi +52 more
TL;DR: The first NTIRE challenge on perceptual image enhancement as discussed by the authors focused on proposed solutions and results of real-world photo enhancement problem, where the goal was to map low-quality photos from the iPhone 3GS device to the same photos captured with Canon 70D DSLR camera.
Proceedings ArticleDOI
AIM 2019 Challenge on Image Extreme Super-Resolution: Methods and Results
Shuhang Gu,Hanwen Liu,Dan Zhu,Tangxin Xie,Xin Yang,Chen Zhu,Jia Yu,Wenyu Sun,Xin Tao,Zijun Deng,Liying Lu,Martin Danelljan,Wenbo Li,Taian Guo,Xiaoyong Shen,Xuemiao Xu,Yu-Wing Tai,Jiaya Jia,Peng Yi,Zhongyuan Wang,Kui Jiang,Junjun Jiang,Radu Timofte,Jiayi Ma,Zhi-Song Liu,Li-Wen Wang,Chu-Tak Li,Wan-Chi Siu,Yui-Lam Chan,Ruofan Zhou,Majed Ei Helou,Kuldeep Purohit,Praveen Kandula,Muhammad Haris,Maitreya Suin,Rajagopalan A.N,Kazutoshi Akita,Greg Shakhnarovic,Norimichi Ukita,Pablo Navarrete Michelini,Wenbin Chen +40 more
TL;DR: This paper reviews the extreme video super-resolution challenge from the AIM 2019 workshop, with emphasis on submitted solutions and results.
Proceedings ArticleDOI
NTIRE 2019 Image Dehazing Challenge Report
Codruta O. Ancuti,Cosmin Ancuti,Radu Timofte,Luc Van Gool,Lei Zhang,Ming-Hsuan Yang,Tiantong Guo,Xuelu Li,Venkateswararao Cherukuri,Vishal Monga,Hao Jiang,Siyuan Yang,Yan Liu,Xiaochao Qu,Pengfei Wan,Dongwon Park,Se Young Chun,Ming Hong,Jinying Huang,Yizi Chen,Shuxin Chen,Bomin Wang,Pablo Navarrete Michelini,Hanwen Liu,Dan Zhu,Jing Liu,Sanchayan Santra,Ranjan Mondal,Bhabatosh Chanda,Peter Morales,Tzofi Klinghoffer,Le Manh Quan,Yong-Guk Kim,Xiao Liang,Runde Li,Jinshan Pan,Jinhui Tang,Kuldeep Purohit,Maitreya Suin,A. N. Rajagopalan,Raimondo Schettini,Simone Bianco,Flavio Piccoli,C. Cusano,Luigi Celona,Sunhee Hwang,Yu Seung Ma,Hyeran Byun,Subrahmanyam Murala,Akshay Dudhane,Harsh Aulakh,Tianxiang Zheng,Tao Zhang,Weining Qin,Runnan Zhou,Shanhu Wang,Jean-Philippe Tarel,Chuansheng Wang,Jiawei Wu +58 more
TL;DR: This paper reviews the second NTIRE challenge on image dehazing (restoration of rich details in hazy image) with focus on proposed solutions and results and gauge the state-of-the-art in imageDehazing.
Book ChapterDOI
Multi-Scale Recursive and Perception-Distortion Controllable Image Super-Resolution
TL;DR: In this paper, a discriminator for adversarial training is proposed, which is multi-scale that resembles a progressive-GAN and includes a new layer to capture significant statistics of natural images.