학술논문

Reconstruction of Sea Surface Temperature under Clouds using Masked Autoencoders
Document Type
Conference
Source
IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium Geoscience and Remote Sensing Symposium, IGARSS 2023 - 2023 IEEE International. :1076-1079 Jul, 2023
Subject
Aerospace
Components, Circuits, Devices and Systems
Fields, Waves and Electromagnetics
Geoscience
Signal Processing and Analysis
Temperature measurement
Adaptation models
Surface reconstruction
Sea surface
Clouds
Surface contamination
Transformers
SST reconstruction
masked autoencoders
cloud mask
vision transformers
Language
ISSN
2153-7003
Abstract
This paper presents a methodology for reconstructing high-spatial-resolution sea surface temperature (SST) fields under cloud cover using masked autoencoders (MAE). The MAE model is trained on high-resolution SST maps from the ECCO forward simulation, LLC4320, and reconstructs missing data by masking out a portion of the input pixels. The impact of masking ratios and methods, as well as network architecture variations, is investigated. Preliminary results show that MAE can reconstruct global SST under a random 80% mask to within 0.3°C root mean squared error (RMSE). Applying this methodology to SST data with significant cloud contamination can enhance dataset quality, uncovering details hidden by clouds and expanding the use of high-resolution SST images.