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Transferred Multi-Perception Attention Networks for ) V8 F) L' k" T) c) i
Remote Sensing Image Super-Resolution ) I- V& g) Q- z; d% W% I& B
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P6 t9 s/ g# \5 fImage super-resolution (SR) reconstruction plays a key role in coping with the increasing4 A/ s8 f$ Y; T B
demand on remote sensing imaging applications with high spatial resolution requirements. Though
5 N+ Q. A' ]: X) K+ ^many SR methods have been proposed over the last few years, further research is needed to improve
' G, U7 r* x% o ?- PSR processes with regard to the complex spatial distribution of the remote sensing images and the# J3 Z, @: X4 k3 q; Z1 {
diverse spatial scales of ground objects. In this paper, a novel multi-perception attention network+ h9 u" j8 e% o- q; d
(MPSR) is developed with performance exceeding those of many existing state-of-the-art models.4 i5 V1 R8 `* b/ ?
By incorporating the proposed enhanced residual block (ERB) and residual channel attention group- }7 Y4 g' w+ l( j
(RCAG), MPSR can super-resolve low-resolution remote sensing images via multi-perception learning$ s/ o. A; H( D. S' F
and multi-level information adaptive weighted fusion. Moreover, a pre-train and transfer learning0 s2 O# V O5 F6 M9 T& Z3 j
strategy is introduced, which improved the SR performance and stabilized the training procedure./ c) \ ~1 u I. _* b4 E6 q: [
Experimental comparisons are conducted using 13 state-of-the-art methods over a remote sensing
- f- \' ?7 k- j$ Ydataset and benchmark natural image sets. The proposed model proved its excellence in both objective& T: _8 m6 f. Z- x8 l
criterion and subjective perspective.
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