NDLI: Super-resolution reconstruction based on multisource bidirectional similarity and non-local similarity matching

Content Provider	IET Digital Library
Author	Liang, Meiyu Du, Junping Cao, Shouxin Li, Linghui
Abstract	A novel super-resolution (SR) reconstruction algorithm based on multisource bidirectional similarity and non-local similarity matching for multi-exposure dynamic image sequences is proposed in this study. First, luminance compensation for multi-exposure dynamic images is implemented based on multisource bidirectional similarity. Then, combining a self-adaptive regional correlation evaluation strategy and a weighting strategy based on pseudo-Zernike moment feature similarity and structural similarity yields a novel and robust non-local similarity matching scheme (PZ-NSM) to learn non-local similarity priors between low- and high-resolution dynamic image patches at different spatio-temporal scales without additional training. Finally, SR reconstruction is implemented based on PZ-NSM and spatio-temporal trans-scale fusion of non-local similarities between dynamic images. The proposed algorithm does not rely on accurate estimation of subpixel motion and can therefore be adapted to more complex motion patterns. It has high rotation invariance effectiveness and is robust to noise and illumination. Experimental results demonstrate that the proposed algorithm outperforms existing algorithms in terms of both subjective and objective evaluations.
Starting Page	931
Ending Page	942
Page Count	12
ISSN	17519659
Volume Number	9
e-ISSN	17519667
Issue Number	Issue 11, Nov (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ipr/9/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2014.0658
Journal	IET Image Processing
Publisher Date	2015-09-10
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Computer Vision And Image Processing Technique High-resolution Dynamic Image Patches Image Matching Image Reconstruction Image Resolution Image Sequence Low-resolution Dynamic Image Patches Luminance Compensation Multi Exposure Dynamic Image Sequence Multisource Bidirectional Similarity Novel Nonlocal Similarity Matching Scheme Novel Super-resolution Reconstruction Algorithm Optical, Image And Video Signal Processing Pseudo-Zernike Moment Feature Similarity PZ-NFR Self-adaptive Regional Correlation Evaluation Strategy SR Reconstruction Structural Similarity Weighting Strategy
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software

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