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Transferred Multi-Perception Attention Networks for ' J- z6 T8 J) G1 S' h
Remote Sensing Image Super-Resolution 7 p* t% H* }9 e2 \4 @
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Image super-resolution (SR) reconstruction plays a key role in coping with the increasing4 U, f9 o V: f0 H, w) A# D5 a) w
demand on remote sensing imaging applications with high spatial resolution requirements. Though
$ Z, y& ?" i# M: ]many SR methods have been proposed over the last few years, further research is needed to improve
* B: g- i; o9 u1 |SR processes with regard to the complex spatial distribution of the remote sensing images and the
4 i2 p. z. T9 r; d- V; J3 ^1 Wdiverse spatial scales of ground objects. In this paper, a novel multi-perception attention network
7 g( ]! ?' p& c/ v(MPSR) is developed with performance exceeding those of many existing state-of-the-art models.
b2 u" \7 b1 K# _2 MBy incorporating the proposed enhanced residual block (ERB) and residual channel attention group
8 Z) a8 } A7 L% A( g! b(RCAG), MPSR can super-resolve low-resolution remote sensing images via multi-perception learning
5 x6 m( L3 l/ Pand multi-level information adaptive weighted fusion. Moreover, a pre-train and transfer learning. O5 p! ?) P) Z# o& c0 _- B
strategy is introduced, which improved the SR performance and stabilized the training procedure.' `4 g( _ c) q- F# C2 K
Experimental comparisons are conducted using 13 state-of-the-art methods over a remote sensing
9 q) E+ O d6 X2 ^9 _3 R- hdataset and benchmark natural image sets. The proposed model proved its excellence in both objective
; X( A; r. ^' T, n d! M" t& ncriterion and subjective perspective.
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