Journal
2021 IEEE/CVF CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION WORKSHOPS, CVPRW 2021
Volume -, Issue -, Pages 677-690Publisher
IEEE COMPUTER SOC
DOI: 10.1109/CVPRW53098.2021.00077
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Funding
- Huawei
- Facebook Reality Labs
- Wright Brothers Institute
- MediaTek
- ETH Zurich (Computer Vision Lab)
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The NTIRE 2021 challenge focused on perceptual image quality assessment tasks using Generative Adversarial Networks (GAN), with 270 registered participants and 13 teams submitting their models for evaluation. Most teams achieved better results than existing IQA methods, with the winning method demonstrating state-of-the-art performance.
This paper reports on the NTIRE 2021 challenge on perceptual image quality assessment (IQA), held in conjunction with the New Trends in Image Restoration and Enhancement workshop (NTIRE) workshop at CVPR 2021. As a new type of image processing technology, perceptual image processing algorithms based on Generative Adversarial Networks (GAN) have produced images with more realistic textures. These output images have completely different characteristics from traditional distortions, thus pose a new challenge for IQA methods to evaluate their visual quality. In comparison with previous IQA challenges, the training and testing datasets in this challenge include the outputs of perceptual image processing algorithms and the corresponding subjective scores. Thus they can be used to develop and evaluate IQA methods on GAN-based distortions. The challenge has 270 registered participants in total. In the final testing stage, 13 participating teams submitted their models and fact sheets. Almost all of them have achieved much better results than existing IQA methods, while the winning method can demonstrate state-of-the-art performance.
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