Journal
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
Volume 57, Issue 11, Pages 8998-9009Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TGRS.2019.2924017
Keywords
Image reconstruction; Matrix decomposition; TV; Remote sensing; Cloud computing; MODIS; Cloud removal; gap filling; reconstruction; remote sensing (RS); tensor ring (TR) completion; total variation (TV)
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Funding
- Japan Society for the Promotion of Science [19K20308, 18K18067, 17K00326]
- Grants-in-Aid for Scientific Research [19K20308, 18K18067] Funding Source: KAKEN
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Time-series remote sensing (RS) images are often corrupted by various types of missing information such as dead pixels, clouds, and cloud shadows that significantly influence the subsequent applications. In this paper, we introduce a new low-rank tensor decomposition model, termed tensor ring (TR) decomposition, to the analysis of RS data sets and propose a TR completion method for the missing information reconstruction. The proposed TR completion model has the ability to utilize the low-rank property of time-series RS images from different dimensions. To further explore the smoothness of the RS image spatial information, total-variation regularization is also incorporated into the TR completion model. The proposed model is efficiently solved using two algorithms, the augmented Lagrange multiplier (ALM) and the alternating least square (ALS) methods. The simulated and real-data experiments show superior performance compared to other state-of-the-art low-rank related algorithms.
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