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Transferred Multi-Perception Attention Networks for
9 o( H2 n. e3 I' R' Y8 ERemote Sensing Image Super-Resolution
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Image super-resolution (SR) reconstruction plays a key role in coping with the increasing$ B+ N9 M, [% Y J1 ~
demand on remote sensing imaging applications with high spatial resolution requirements. Though
9 z5 e# i1 K) }: }- R( Cmany SR methods have been proposed over the last few years, further research is needed to improve$ W6 b; V& Z3 e, m
SR processes with regard to the complex spatial distribution of the remote sensing images and the& v1 P* }/ a: P1 R4 |5 q, Q
diverse spatial scales of ground objects. In this paper, a novel multi-perception attention network9 }% y8 h# I0 p% V" V$ Z. ?1 \/ w
(MPSR) is developed with performance exceeding those of many existing state-of-the-art models.! `8 V+ j6 W3 M% N& E- H5 A
By incorporating the proposed enhanced residual block (ERB) and residual channel attention group
5 B9 Z+ Z I0 L: p" R(RCAG), MPSR can super-resolve low-resolution remote sensing images via multi-perception learning; @4 t9 |( J6 ` f/ a
and multi-level information adaptive weighted fusion. Moreover, a pre-train and transfer learning
/ j* o- L# Z. n, s% @strategy is introduced, which improved the SR performance and stabilized the training procedure.
4 F1 R$ M5 y9 x2 VExperimental comparisons are conducted using 13 state-of-the-art methods over a remote sensing3 f5 o2 S' t: F2 G" P: q
dataset and benchmark natural image sets. The proposed model proved its excellence in both objective( h0 H! p% P& Z$ a8 J
criterion and subjective perspective.( H. A8 i( ]& t; Q9 p, C7 g' l' [
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