Multi-modal Datasets for Super-resolution

• URL: http://arxiv.org/abs/2004.05804v1
• Date: Mon, 13 Apr 2020 07:39:52 GMT
• Title: Multi-modal Datasets for Super-resolution
• Authors: Haoran Li, Weihong Quan, Meijun Yan, Jin zhang, Xiaoli Gong and Jin Zhou
• Abstract summary: We propose real-world black-and-white old photo datasets for super-resolution (OID-RW) The dataset contains 82 groups of images, including 22 groups of character type and 60 groups of landscape and architecture. We also propose a multi-modal degradation dataset (MDD400) to solve the super-resolution reconstruction in real-life image degradation scenarios.
• Score: 12.079245552387361
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Nowdays, most datasets used to train and evaluate super-resolution models are single-modal simulation datasets. However, due to the variety of image degradation types in the real world, models trained on single-modal simulation datasets do not always have good robustness and generalization ability in different degradation scenarios. Previous work tended to focus only on true-color images. In contrast, we first proposed real-world black-and-white old photo datasets for super-resolution (OID-RW), which is constructed using two methods of manually filling pixels and shooting with different cameras. The dataset contains 82 groups of images, including 22 groups of character type and 60 groups of landscape and architecture. At the same time, we also propose a multi-modal degradation dataset (MDD400) to solve the super-resolution reconstruction in real-life image degradation scenarios. We managed to simulate the process of generating degraded images by the following four methods: interpolation algorithm, CNN network, GAN network and capturing videos with different bit rates. Our experiments demonstrate that not only the models trained on our dataset have better generalization capability and robustness, but also the trained images can maintain better edge contours and texture features.

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