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Transferred Multi-Perception Attention Networks for 4 r. d. x- l2 z* T( Z
Remote Sensing Image Super-Resolution
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Image super-resolution (SR) reconstruction plays a key role in coping with the increasing
2 y2 M) E! }' ~/ u$ [" {7 Edemand on remote sensing imaging applications with high spatial resolution requirements. Though
( U5 H; v8 |8 C- `; ~1 {0 q! B# xmany SR methods have been proposed over the last few years, further research is needed to improve" B4 t+ @* ?9 Q2 l2 O+ i# Z/ i5 U
SR processes with regard to the complex spatial distribution of the remote sensing images and the R4 U0 T! K* Y
diverse spatial scales of ground objects. In this paper, a novel multi-perception attention network- n0 v; Y- t0 h7 E" k
(MPSR) is developed with performance exceeding those of many existing state-of-the-art models. z' G/ L4 M5 e
By incorporating the proposed enhanced residual block (ERB) and residual channel attention group6 p+ E) s4 l! f5 i1 i, B
(RCAG), MPSR can super-resolve low-resolution remote sensing images via multi-perception learning% Y! R5 G+ ^9 S' Z1 _. G' }* Y* p
and multi-level information adaptive weighted fusion. Moreover, a pre-train and transfer learning5 y1 {- R" D4 p0 n, q1 z+ @
strategy is introduced, which improved the SR performance and stabilized the training procedure.
* w" [+ p% Q% e& o7 P8 `9 ^) B9 SExperimental comparisons are conducted using 13 state-of-the-art methods over a remote sensing$ f" S; @. P& C/ r1 W
dataset and benchmark natural image sets. The proposed model proved its excellence in both objective! i( P: T% \2 ~# O8 S
criterion and subjective perspective./ R; m- m5 c+ f1 A5 c
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