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  4. Pyramid Architecture Search for Real-Time Image Deblurring
 
conference paper

Pyramid Architecture Search for Real-Time Image Deblurring

Hu, Xiaobin
•
Ren, Wenqi
•
Yu, Kaicheng  
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January 1, 2021
2021 Ieee/Cvf International Conference On Computer Vision (Iccv 2021)
18th IEEE/CVF International Conference on Computer Vision (ICCV)

Multi-scale and multi-patch deep models have been shown effective in removing blurs of dynamic scenes. However, these methods still suffer from one major obstacle: manually designing a lightweight and high-efficiency network is challenging and time-consuming. To tackle this obstacle, we propose a novel deblurring method, dubbed PyNAS (pyramid neural architecture search network), towards automatically designing hyper-parameters including the scales, patches, and standard cell operators. The proposed PyNAS adopts gradient-based search strategies and innovatively searches the hierarchy patch and scale scheme not limited to cell searching. Specifically, we introduce a hierarchical search strategy tailored to the multi-scale and multi-patch deblurring task. The strategy follows the principle that the first distinguishes between the top-level (pyramid-scales and pyramid-patches) and bottom-level variables (cell operators) and then searches multi-scale variables using the top-to-bottom principle. During the search stage, PyNAS employs an early stopping strategy to avoid the collapse and computational issues. Furthermore, we use a path-level binarization mechanism for multi-scale cell searching to save the memory consumption. Our primary contribution is a real-time deblurring algorithm (around 58 fps) for 720p images while achieves state-of-the-art deblurring performance on the GoPro and Video Deblurring datasets.

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Type
conference paper
DOI
10.1109/ICCV48922.2021.00426
Web of Science ID

WOS:000797698904049

Author(s)
Hu, Xiaobin
Ren, Wenqi
Yu, Kaicheng  
Zhang, Kaihao
Cao, Xiaochun
Liu, Wei
Menze, Bjoern
Date Issued

2021-01-01

Publisher

IEEE

Publisher place

New York

Published in
2021 Ieee/Cvf International Conference On Computer Vision (Iccv 2021)
ISBN of the book

978-1-6654-2812-5

Start page

4278

End page

4287

Subjects

Computer Science, Artificial Intelligence

•

Computer Science, Theory & Methods

•

Computer Science

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CVLAB  
Event nameEvent placeEvent date
18th IEEE/CVF International Conference on Computer Vision (ICCV)

ELECTR NETWORK

Oct 11-17, 2021

Available on Infoscience
July 18, 2022
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/189387
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