Gradient Magnitude Similarity Deviation: A Highly Efficient Perceptual Image Quality Index
Open accessAbstract
It is an important task to faithfully evaluate the perceptual quality of output images in many applications, such as image compression, image restoration, and multimedia streaming. A good image quality assessment (IQA) model should not only deliver high quality prediction accuracy, but also be computationally efficient. The efficiency of IQA metrics is becoming particularly important due to the increasing proliferation of high-volume visual data in high-speed networks. We present a new effective and efficient IQA model, called gradient magnitude similarity deviation (GMSD). The image gradients are sensitive to image distortions, while different local structures in a distorted image suffer different degrees of degradations. This motivates us to explore the use of global variation of gradient based local quality map for overall image quality prediction. We find that the pixel-wise gradient magnitude similarity (GMS) between the reference and distorted images combined with a novel pooling strategy-the standard deviation of the GMS map-can predict accurately perceptual image quality. The resulting GMSD algorithm is much faster than most state-of-the-art IQA methods, and delivers highly competitive prediction accuracy. MATLAB source code of GMSD can be downloaded at http://www4.comp.polyu.edu.hk/~cslzhang/IQA/GMSD/GMSD.htm.
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“Inspired by the efficacy of standard deviation pooling as first introduced in GMSD [71] and later also used in TLVQM [40], we calculate these spatial features every second frame within each sequentially cut non-overlapping 1-second chunk, then we enrich the feature set by applying average and standard deviation pooling…”
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Self-citationAgaian, S. S., Grigoryan, A. M., & Ayunts, H. (2026) · Information · doi:10.3390/info17070632
- Authors
- Xue, W., Zhang, L., Mou, X., & Bovik, A. C.
- Affiliations
- Hong Kong Polytechnic University (HK)
- Xi'an Jiaotong University (CN)
- The University of Texas at Austin (US)
- Venue
- IEEE Transactions on Image Processing
- Published
- 2014-02
- Volume
- 23
- Issue
- 2
- Pages
- 684-695
- ISSN
- 1057-7149 (ISSN-L)
- 1941-0042
- OpenAlex
- W1964859077
- Cited by
- 1,697
- References
- 3
- Citations by year
- 2026: 136 · 2025: 158 · 2024: 176 · 2023: 184 · 2022: 172 · 2021: 159 · 2020: 139 · 2019: 170 · 2018: 125 · 2017: 99 · 2016: 88 · 2015: 66 · 2014: 25
- FWCI
- 82.80
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- IEEE Transactions on Image Processing (publishedVersion)
- PubMed (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- PolyU Institutional Research Archive (Hong Kong Polytechnic University) (submittedVersion)
- arXiv (Cornell University)
- Funders
- National Natural Science Foundation of China (61172163, 90920003)
- Hong Kong Polytechnic University (5315/12E)
- Topics
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Image and Video Quality Assessment
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Image Retrieval and Classification Techniques
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Digital Media Forensic Detection
- Keywords
- perceptual image quality assessment, image quality index, computational efficiency, pooling strategies, image distortion, image restoration, image compression
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