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Transferred Multi-Perception Attention Networks for ( I! C; v( ^5 a% M' T
Remote Sensing Image Super-Resolution $ K5 B6 m8 `! z$ p) p
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) s. z# j7 X( t2 H2 kImage super-resolution (SR) reconstruction plays a key role in coping with the increasing1 J$ a e; U, Z
demand on remote sensing imaging applications with high spatial resolution requirements. Though! x$ S7 |/ b9 g% B) W; k2 D
many SR methods have been proposed over the last few years, further research is needed to improve
% h9 \. ` A* \2 cSR processes with regard to the complex spatial distribution of the remote sensing images and the9 b# ~$ h4 s7 ?; j
diverse spatial scales of ground objects. In this paper, a novel multi-perception attention network
8 n; g% o+ h" s. W+ Q3 R(MPSR) is developed with performance exceeding those of many existing state-of-the-art models.
. a5 ^ i4 K9 [1 |$ @By incorporating the proposed enhanced residual block (ERB) and residual channel attention group
* k' J3 I% _+ B0 x! \4 e* F* G. g(RCAG), MPSR can super-resolve low-resolution remote sensing images via multi-perception learning5 R: I) h. u, H3 Q: K9 N7 F
and multi-level information adaptive weighted fusion. Moreover, a pre-train and transfer learning3 ^& I8 c$ `, _/ s" U: B9 l
strategy is introduced, which improved the SR performance and stabilized the training procedure.' z) Q+ @! G8 a; [& v
Experimental comparisons are conducted using 13 state-of-the-art methods over a remote sensing
* @+ [" Z) |" c7 m3 G2 E/ Gdataset and benchmark natural image sets. The proposed model proved its excellence in both objective! {- k1 Q4 D( D' Y }
criterion and subjective perspective.
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