Open Access
Image Quality Evaluation Method Based on Human Visual System
Zhao Bao-jun,Deng Chenwei +1 more
- 01 Jan 2010
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TL;DR: Experimental results show that the pro- posed model has simple structure and is easy-to-operate; furthermore, it can re∞ect the visual efiects accurately and objectively.
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Abstract: MSE, PSNR, SSIM and other traditional objective image assessment metrics simply calculate sta- tistical average results between original images and recon- structed ones, which is incompatible with human visual system. To address this issue, a joint subjective and ob- jective image quality evaluation method is proposed. It has the following features: flrstly, the subjective feelings of re- constructed image are measured quantitatively in wavelet domain; secondly, only noticeable visual distortion is uti- lized in this model; lastly, based on difierent character- istics of spatio-temporal frequency response, eye-sensitive wavelet coe-cients are enhanced, while those non-sensitive ones are inhibited. Experimental results show that the pro- posed model has simple structure and is easy-to-operate; furthermore, it can re∞ect the visual efiects accurately and objectively.
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Citations
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Full-Reference Image Quality Metrics
Marius Pedersen,Jon Yngve Hardeberg +1 more
- 29 Feb 2012
TL;DR: In this article, a survey of one class of metrics, full-reference IQ metrics, is presented. But the authors focus on image quality and do not consider the quality of the image itself.
•Dissertation
Image quality metrics for the evaluation of printing workflows
Marius Pedersen
- 01 Jan 2011
TL;DR: The work carried out to use image quality metrics for the evaluation of printed images, which shows that none of the existing metrics predict overall image quality adequately, and proposes a new metric designed for the color attribute, Total Variation of Difference (TVD) metric.
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MLSIM: A Multi-Level Similarity index for image quality assessment
TL;DR: A Multi-Level Similarity (MLSIM) index for full reference IQA is proposed and demonstrates that the proposed metric is highly consistent with human subjective evaluations and achieves good performance.
8
Test pattern based evaluation of ringing and blur in JPEG and JPEG2000 compressed images
Amal Punchihewa,Alexander Keerl +1 more
- 01 Dec 2010
TL;DR: A new ringing metric is introduced, that analyzes image profiles of compressed images in terms of global luminance shift, blur and ringing, and demonstrates their influence on image fidelity of lossy compressed images.
4
No-reference image quality assessment based on hybrid model
TL;DR: A computational algorithm based on hybrid model to automatically extract vision perception features from raw image patches is proposed, which demonstrates very competitive quality prediction performance of the proposed method.
References
Image information and visual quality
Hamid R. Sheikh,Alan C. Bovik +1 more
TL;DR: An image information measure is proposed that quantifies the information that is present in the reference image and how much of this reference information can be extracted from the distorted image and combined these two quantities form a visual information fidelity measure for image QA.
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Image information and visual quality
Hamid R. Sheikh,Alan C. Bovik +1 more
- 17 May 2004
TL;DR: This work proposes an information fidelity criterion that quantifies the Shannon information that is shared between the reference and distorted images relative to the information contained in the reference image itself, and demonstrates the performance of the algorithm by testing it on a data set of 779 images.
Video Quality Assessment Based on Structural Distortion Measurement
TL;DR: A new philosophy in designing image and video quality metrics is followed, which uses structural dis- tortion as an estimate of perceived visual distortion as part of full-reference (FR) video quality assessment.
Signal compression based on models of human perception
Nuggehally Sampath Jayant,James D. Johnston,Robert J. Safranek +2 more
- 01 Oct 1993
TL;DR: It is proposed that fundamental limits in the science can be expressed by the semiquantitative concepts of perceptual entropy and the perceptual distortion-rate function, and current compression technology is examined in that framework.
951
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