A Single-Frame and Multi-Frame Cascaded Image Super-Resolution Method

• URL: http://arxiv.org/abs/2412.09846v1
• Date: Fri, 13 Dec 2024 04:29:08 GMT
• Title: A Single-Frame and Multi-Frame Cascaded Image Super-Resolution Method
• Authors: Jing Sun, Qiangqiang Yuan, Huanfeng Shen, Jie Li, Liangpei Zhang,
• Abstract summary: In the real world, due to the limited complementary information, the performance of both single-frame and multi-frame super-resolution reconstruction degrades rapidly as the magnification increases. We propose a novel two-step image super resolution method concatenating multi-frame super-resolution with single-frame super-resolution. The proposed method yields superior performance in both objective and perceptual quality measurements.
• Score: 22.91510009724401
• License:
• Abstract: The objective of image super-resolution is to reconstruct a high-resolution (HR) image with the prior knowledge from one or several low-resolution (LR) images. However, in the real world, due to the limited complementary information, the performance of both single-frame and multi-frame super-resolution reconstruction degrades rapidly as the magnification increases. In this paper, we propose a novel two-step image super resolution method concatenating multi-frame super-resolution (MFSR) with single-frame super-resolution (SFSR), to progressively upsample images to the desired resolution. The proposed method consisting of an L0-norm constrained reconstruction scheme and an enhanced residual back-projection network, integrating the flexibility of the variational modelbased method and the feature learning capacity of the deep learning-based method. To verify the effectiveness of the proposed algorithm, extensive experiments with both simulated and real world sequences were implemented. The experimental results show that the proposed method yields superior performance in both objective and perceptual quality measurements. The average PSNRs of the cascade model in set5 and set14 are 33.413 dB and 29.658 dB respectively, which are 0.76 dB and 0.621 dB more than the baseline method. In addition, the experiment indicates that this cascade model can be robustly applied to different SFSR and MFSR methods.

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