|Table of Contents|

[1] Jia Huizhen, Lei Chucong, Wang Tonghan, Li Tan, et al. No-reference blur assessment methodbased on gradient and saliency [J]. Journal of Southeast University (English Edition), 2021, (2): 184-191. [doi:10.3969/j.issn.1003-7985.2021.02.008]

No-reference blur assessment methodbased on gradient and saliency()

Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Research Field:
Information and Communication Engineering
Publishing date:


No-reference blur assessment methodbased on gradient and saliency
Jia Huizhen1 Lei Chucong1 Wang Tonghan1 Li Tan1 Wu Jiasong2 Li Guang1He Jianfeng1 Shu Huazhong2
1Jiangxi Engineering Laboratory on Radioactive Geoscience and Big Data Technology, East China University of Technology, Nanchang 330013, China
2Laboratory of Image Science and Technology, Southeast University, Nanjing 210096, China
no-reference image quality assessment reblurring effect gradient similarity saliency
To evaluate the quality of blurred images effectively, this study proposes a no-reference blur assessment method based on gradient distortion measurement and salient region maps. First, a Gaussian low-pass filter is used to construct a reference image by blurring a given image. Gradient similarity is included to obtain the gradient distortion measurement map, which can finely reflect the smallest possible changes in textures and details. Second, a saliency model is utilized to calculate image saliency. Specifically, an adaptive method is used to calculate the specific salient threshold of the blurred image, and the blurred image is binarized to yield the salient region map. Block-wise visual saliency serves as the weight to obtain the final image quality. Experimental results based on the image and video engineering database, categorial image quality database, and camera image database demonstrate that the proposed method correlates well with human judgment. Its computational complexity is also relatively low.


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Biography: Jia Huizhen(1983—), female, doctor, lecturer, hzjianlg@126.com.
Foundation items: The National Natural Science Foundation of China(No. 61762004, 61762005), the National Key Research and Development Program(No. 2018YFB1702700), the Science and Technology Project Founded by the Education Department of Jiangxi Province, China(No. GJJ200702, GJJ200746), the Open Fund Project of Jiangxi Engineering Laboratory on Radioactive Geoscience and Big Data Technology(No. JETRCNGDSS201901, JELRGBDT202001, JELRGBDT202003).
Citation: Jia Huizhen, Lei Chucong, Wang Tonghan, et al. No-reference blur assessment method based on gradient and saliency[J].Journal of Southeast University(English Edition), 2021, 37(2):184-191.DOI:10.3969/j.issn.1003-7985.2021.02.008.
Last Update: 2021-06-20