Abstract
Spatio-temporal fusion (STF) aims at fusing (temporally dense) coarse resolution images and (temporally sparse) fine resolution images to generate image series with adequate temporal and spatial resolution. In the last decade, STF has drawn a lot of attention and many STF methods have been developed. However, to date the STF domain still lacks benchmark datasets, which is a pressing issue that needs to be addressed in order to foster the development of this field. In this review, we provide (for the first time in the literature) a robust benchmark STF dataset that includes three important characteristics: (1) diversity of regions, (2) long timespan, and (3) challenging scenarios. We also provide a survey of highly representative STF techniques, along with a detailed quantitative and qualitative comparison of their performance with our newly presented benchmark dataset. The proposed dataset is public and available online.
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Acknowledgements
This work was supported in part by National Natural Science Foundation of China (Grant Nos. 61771496, 61571195), National Key Research and Development Program of China (Grant No. 2017YFB0502900), and Guangdong Provincial Natural Science Foundation (Grant No. 2017A030313382). The authors would like to thank the developers of STARFM, ESTARFM, FSDAF and STFDCNN algorithms for sharing their codes.
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Li, J., Li, Y., He, L. et al. Spatio-temporal fusion for remote sensing data: an overview and new benchmark. Sci. China Inf. Sci. 63, 140301 (2020). https://doi.org/10.1007/s11432-019-2785-y
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DOI: https://doi.org/10.1007/s11432-019-2785-y