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Homepage: https://liangjiandeng.github.io/

The research leading to these results has been received funding from the European union's Seventh Framework Program (FP/2007-2013) ERC grant Agreement ERC-SPARSE- 320649 Liang-Jian Deng

School of Mathematical Sciences UESTC

Liang-Jian Deng

School of Mathematical Sciences UESTC

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!"# _$

_%

: ' $ _{% (} + (

* || ,-$ _% − /0 _% || ^*

0

_%

p D n ≪ !

p y

_k

reshape

n

p $

_%

m D

Remark:

p y_k

n D m

y_k

D D n

p

D m n

$_%

D m ,

$_%

p

$_%

m n

dictionary D

A sparse vector $

%

= ⁿ

reshape

=

m

/

L = "#$ + &

oD:

o B:

oN: o ^R:

Y = "#$ + & _' Z = (" + & ₎

Y ∈ +

^,x.x/

Z ∈ +

^0x1x2

X ∈ +

^0x1x/

Y _i = " ₃ # ₃ $ + & ₃ P = (" + & ₎

, i = 1, 2, …, S L∈ +

^,x.x4

X∈ +

^0x1x4

Fusion-based Image Resolution Enhancement

Liang-Jian Deng

School of Mathematical Sciences UESTC

Y ∈ +

^,x.x/

P ∈ +

^0x1x'

X ∈ +

^0x1x/

Source:

WorldView-3

(Panchromatic (PAN) Img.) (LRMS Img.,

i.e.,

MS

) (HRMS Img.,

i.e.,

89)7

L Y Z P X