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LIIF (CVPR'2021)

LIIF (CVPR'2021) 
@inproceedings{chen2021learning,
  title={Learning continuous image representation with local implicit image function},
  author={Chen, Yinbo and Liu, Sifei and Wang, Xiaolong},
  booktitle={Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition},
  pages={8628--8638},
  year={2021}
}

Method scale Set5
PSNR / SSIM		 Set14
PSNR / SSIM		 DIV2K
PSNR / SSIM		 Download
liif_edsr_norm_c64b16_g1_1000k_div2k x2 35.7131 / 0.9366 31.5579 / 0.8889 34.6647 / 0.9355 model | log
△ x3 32.3805 / 0.8915 28.4605 / 0.8039 30.9808 / 0.8724 △
△ x4 30.2748 / 0.8509 26.8415 / 0.7381 29.0245 / 0.8187 △
△ x6 27.1187 / 0.7774 24.7461 / 0.6444 26.7770 / 0.7425 △
△ x18 20.8516 / 0.5406 20.0096 / 0.4525 22.1987 / 0.5955 △
△ x30 18.8467 / 0.5010 18.1321 / 0.3963 20.5050 / 0.5577 △
liif_rdn_norm_c64b16_g1_1000k_div2k x2 35.7874 / 0.9366 31.6866 / 0.8896 34.7548 / 0.9356 model | log
△ x3 32.4992 / 0.8923 28.4905 / 0.8037 31.0744 / 0.8731 △
△ x4 30.3835 / 0.8513 26.8734 / 0.7373 29.1101 / 0.8197 △
△ x6 27.1914 / 0.7751 24.7824 / 0.6434 26.8693 / 0.7437 △
△ x18 20.8913 / 0.5329 20.1077 / 0.4537 22.2972 / 0.5950 △
△ x30 18.9354 / 0.4864 18.1448 / 0.3942 20.5663 / 0.5560 △

Note:

  • △ refers to ditto.
  • Evaluated on RGB channels, scale pixels in each border are cropped before evaluation.