LIU Jian-lei,. No-reference color image quality assessment based on local features[J]. Editorial Office of Optics and Precision Engineering, 2016,24(5): 1176-1184
LIU Jian-lei,. No-reference color image quality assessment based on local features[J]. Editorial Office of Optics and Precision Engineering, 2016,24(5): 1176-1184 DOI: 10.3788/OPE.20162405.1176.
No-reference color image quality assessment based on local features
For the poor consistency of traditional no-reference color image quality assessment methods and human visual perceptive results
a new no reference color image quality assessment method was proposed based on the colorfulness
sharpness and contrast of images. A new sharpness measuring model for a color image was proposed based on the local feature of sharpness. Then
a novel contrast measuring model for the color image was established based on the local feature of contrast and the feature of Buchsbaum curve. Finally
a novel no-reference color image quality assessment function was constructed based on the linear combination of the colorfulness measuring model
sharpness measuring model and the contrast measuring model. The performance of the sharpness measuring model
contrast measuring model and the no-reference color image quality assessment function was verified by three kinds of degraded images(Gaussian blurred image
contrast changed image and noise image). The experiment results indicate that comparing the traditional methods
the performance of the proposed sharpness measuring model and the contrast measuring model is better than that of the traditional ones. The Spearman Rank Order Correlation Coefficient(SROCC)
Kendall Rank-Order Correlation Coefficient(KROCC)
and the Pearson Linear Correlation Coefficient(PLCC) of the proposed color image quality assessment function are 0.904
0.865 and 0.922
respectively
which has better consistency as compared with those of the traditional methods.
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references
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