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Transferred Multi-Perception Attention Networks for + B. n) z, r3 Q# F) Q
Remote Sensing Image Super-Resolution
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, p) L" y0 M% Z; yImage super-resolution (SR) reconstruction plays a key role in coping with the increasing* k! z2 B) {9 u: m: B7 c6 ^/ R/ u7 X
demand on remote sensing imaging applications with high spatial resolution requirements. Though
# p1 g; R* i u7 e5 j6 Vmany SR methods have been proposed over the last few years, further research is needed to improve# W, O" x. @% f$ [
SR processes with regard to the complex spatial distribution of the remote sensing images and the3 v4 |/ G* X7 A8 r3 I1 [
diverse spatial scales of ground objects. In this paper, a novel multi-perception attention network: i; Z/ T9 h: Q
(MPSR) is developed with performance exceeding those of many existing state-of-the-art models.
6 S0 [7 P8 P: E2 UBy incorporating the proposed enhanced residual block (ERB) and residual channel attention group
: }* ^, A/ d1 A' p6 F. P(RCAG), MPSR can super-resolve low-resolution remote sensing images via multi-perception learning9 X- u4 }0 F- i( X7 ]. A8 A
and multi-level information adaptive weighted fusion. Moreover, a pre-train and transfer learning
7 d+ D3 @5 P' G3 D9 c. v* I ?strategy is introduced, which improved the SR performance and stabilized the training procedure.
+ H2 q0 e9 u& \% CExperimental comparisons are conducted using 13 state-of-the-art methods over a remote sensing
- C6 T* L3 O* ?: e& [+ A6 {dataset and benchmark natural image sets. The proposed model proved its excellence in both objective
; J) P- v* G0 q) R/ V8 Ecriterion and subjective perspective.; Z8 a% O" o* H8 y5 r
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