NTIRE 2021 Challenge on High Dynamic Range Imaging: Dataset, Methods and Results - Perez-Pellitero, Eduardo; Catley-Chandar, Sibi; Leonardis, Ales; Timofte, Radu; Wang, Xian; Li, Yong; Wang, Tao; Song, Fenglong; Liu, Zhen; Lin, Wenjie; Li, Xinpeng; Rao, Qing; et al. (2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW), Computer Vision and Pattern Recognition Workshops (CVPRW), 2021 IEEE/CVF Conference on, CVPRW, 2021)