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Transferred Multi-Perception Attention Networks for
, |; n# m$ ?' V8 M' q' L' }Remote Sensing Image Super-Resolution
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Image super-resolution (SR) reconstruction plays a key role in coping with the increasing
, `7 ?# X! A9 g3 Hdemand on remote sensing imaging applications with high spatial resolution requirements. Though
; N' C% K. K' Z mmany SR methods have been proposed over the last few years, further research is needed to improve' M+ [3 g" {$ @2 w. d3 l8 r
SR processes with regard to the complex spatial distribution of the remote sensing images and the
7 R* t! l6 W% w1 ?- c, s G) e6 hdiverse spatial scales of ground objects. In this paper, a novel multi-perception attention network
! l/ s/ d% x2 @(MPSR) is developed with performance exceeding those of many existing state-of-the-art models.
$ X1 j: S0 @6 @1 }/ ?) b" uBy incorporating the proposed enhanced residual block (ERB) and residual channel attention group; n# c X [- ]/ I: b O4 H- L
(RCAG), MPSR can super-resolve low-resolution remote sensing images via multi-perception learning& v4 S) D: x( ^7 C( T
and multi-level information adaptive weighted fusion. Moreover, a pre-train and transfer learning
8 ]" i( Q S, ^& f( }6 T" Kstrategy is introduced, which improved the SR performance and stabilized the training procedure.
& c9 _6 _5 B1 H0 ^. N+ w% TExperimental comparisons are conducted using 13 state-of-the-art methods over a remote sensing
( q _# a& L! @4 b' z7 b1 qdataset and benchmark natural image sets. The proposed model proved its excellence in both objective
1 b. y' y) d. i2 s; G0 A2 ocriterion and subjective perspective.
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