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Transferred Multi-Perception Attention Networks for ' j% U- B) |8 I
Remote Sensing Image Super-Resolution $ q( `$ M& e* O9 i) s4 o( x$ k
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* `$ H( P# y4 KImage super-resolution (SR) reconstruction plays a key role in coping with the increasing
, B' z. k9 W, O" r) |demand on remote sensing imaging applications with high spatial resolution requirements. Though
+ a9 {$ E0 J% k% l3 [ ^9 Cmany SR methods have been proposed over the last few years, further research is needed to improve
- l4 ^" g2 |$ o8 Z1 p1 u1 vSR processes with regard to the complex spatial distribution of the remote sensing images and the. L- K, _* z) `, t4 d3 Q2 c
diverse spatial scales of ground objects. In this paper, a novel multi-perception attention network
( i( ^0 t4 @: E7 H$ F0 [6 S2 D(MPSR) is developed with performance exceeding those of many existing state-of-the-art models.9 L& R5 I+ X9 m+ X; J$ A0 k
By incorporating the proposed enhanced residual block (ERB) and residual channel attention group5 H7 z- `7 n( V7 V' e
(RCAG), MPSR can super-resolve low-resolution remote sensing images via multi-perception learning6 D% r' @+ {+ B$ }& i. Q, m7 ?- N2 P( D
and multi-level information adaptive weighted fusion. Moreover, a pre-train and transfer learning
0 V) B2 v, n) mstrategy is introduced, which improved the SR performance and stabilized the training procedure.2 v! w& \4 N2 o& m* q- W. A
Experimental comparisons are conducted using 13 state-of-the-art methods over a remote sensing6 v8 B8 J4 R$ k4 r% R
dataset and benchmark natural image sets. The proposed model proved its excellence in both objective
_/ P3 S5 ]/ x$ H- w; L) X1 vcriterion and subjective perspective.7 K/ a8 r$ I* @6 b: T( {9 t
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