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Transferred Multi-Perception Attention Networks for
7 B5 i+ |4 {+ y& ?6 CRemote Sensing Image Super-Resolution
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Image super-resolution (SR) reconstruction plays a key role in coping with the increasing" t* Y6 _3 k! ] s& [- F! N
demand on remote sensing imaging applications with high spatial resolution requirements. Though) |! |+ f$ v# i, o M
many SR methods have been proposed over the last few years, further research is needed to improve, [, K ?1 [7 m- g9 h9 E+ s
SR processes with regard to the complex spatial distribution of the remote sensing images and the
1 C( v5 O/ J/ h! z; S8 s" c& a8 _diverse spatial scales of ground objects. In this paper, a novel multi-perception attention network
6 O- @; i! I6 ?( t, X& ^; L(MPSR) is developed with performance exceeding those of many existing state-of-the-art models./ O" m, i$ f$ B. }8 }
By incorporating the proposed enhanced residual block (ERB) and residual channel attention group( o$ d+ I: p+ T" l2 x( U' A
(RCAG), MPSR can super-resolve low-resolution remote sensing images via multi-perception learning$ `5 d) Y" n5 e' ^) U+ V
and multi-level information adaptive weighted fusion. Moreover, a pre-train and transfer learning( b( k( E D; a% [! T" \( ]3 p
strategy is introduced, which improved the SR performance and stabilized the training procedure.
) z- a1 r! ]; w' I9 XExperimental comparisons are conducted using 13 state-of-the-art methods over a remote sensing$ |% }" O- J9 P
dataset and benchmark natural image sets. The proposed model proved its excellence in both objective8 a) m( P' ]3 V$ U3 L2 O6 k
criterion and subjective perspective.5 `# J* m( M- \8 r& k, t
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