Dealing with missing modalities at test time for land cover mapping: A case study on multi-source optical data

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

In recent years, multiple sources of remote sensing data have become increasingly available to monitor Earth's surface phenomena. However, unlike High Spatial Resolution (HSR) data, Very High Spatial Resolution (VHSR) satellite images remain difficult to collect over large areas due to acquisition costs and a smaller swath. This often compromises the simultaneous use of both sources of data over same study areas for many applications. In this work, we investigate a land cover mapping setting in which both HSR and VHSR are available at the learning stage of a deep neural network while only the HSR data is available at inference time for model inference. We thus propose simple but effective strategies for enhancing the land cover classification in this scenario of incomplete multi-source remote sensing data when the model is deployed.

Original languageEnglish
Title of host publication2022 IEEE 21st Mediterranean Electrotechnical Conference (MELECON)
PublisherIEEE Institute of Electrical and Electronic Engineers
Pages621-626
Number of pages6
ISBN (Electronic)978-1-6654-4280-0
DOIs
Publication statusPublished - 2022
MoE publication typeA4 Article in a conference publication
Event21st IEEE Mediterranean Electrotechnical Conference, MELECON 2022 - Palermo, Italy
Duration: 14 Jun 202216 Jun 2022

Conference

Conference21st IEEE Mediterranean Electrotechnical Conference, MELECON 2022
Country/TerritoryItaly
CityPalermo
Period14/06/2216/06/22

Funding

This work was supported by the Programme National de Télédétection Spatiale under Grant PNTS-2020-13.

Keywords

  • deep neural networks
  • high and very high spatial resolution
  • land use land cover mapping
  • missing modalities
  • Multi-source remote sensing

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