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[期刊论文]

Spatial and Channel Aggregation Network for Lightweight Image Super-Resolution

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author:

Wu, Xianyu (Wu, Xianyu.) [1] (Scholars:吴衔誉) | Zuo, Linze (Zuo, Linze.) [2] | Huang, Feng (Huang, Feng.) [3]

Indexed by:

EI Scopus SCIE

Abstract:

Advanced deep learning-based Single Image Super-Resolution (SISR) techniques are designed to restore high-frequency image details and enhance imaging resolution through the use of rapid and lightweight network architectures. Existing SISR methodologies face the challenge of striking a balance between performance and computational costs, which hinders the practical application of SISR methods. In response to this challenge, the present study introduces a lightweight network known as the Spatial and Channel Aggregation Network (SCAN), designed to excel in image super-resolution (SR) tasks. SCAN is the first SISR method to employ large-kernel convolutions combined with feature reduction operations. This design enables the network to focus more on challenging intermediate-level information extraction, leading to improved performance and efficiency of the network. Additionally, an innovative 9 x 9 large kernel convolution was introduced to further expand the receptive field. The proposed SCAN method outperforms state-of-the-art lightweight SISR methods on benchmark datasets with a 0.13 dB improvement in peak signal-to-noise ratio (PSNR) and a 0.0013 increase in structural similarity (SSIM). Moreover, on remote sensing datasets, SCAN achieves a 0.4 dB improvement in PSNR and a 0.0033 increase in SSIM.

Keyword:

large kernel convolution lightweight image super-resolution peak signal-to-noise ratio (PSNR) metric

Community:

  • [ 1 ] [Wu, Xianyu]Fuzhou Univ, Coll Mech Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 2 ] [Zuo, Linze]Fuzhou Univ, Coll Mech Engn & Automat, Fuzhou 350108, Peoples R China
  • [ 3 ] [Huang, Feng]Fuzhou Univ, Coll Mech Engn & Automat, Fuzhou 350108, Peoples R China

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Source :

SENSORS

ISSN: 1424-8220

Year: 2023

Issue: 19

Volume: 23

3 . 4

JCR@2023

3 . 4 0 0

JCR@2023

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count: 1

30 Days PV: 12

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