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4 February 2013 F-MAD: a feature-based extension of the most apparent distortion algorithm for image quality assessment
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Proceedings Volume 8653, Image Quality and System Performance X; 86530I (2013)
Event: IS&T/SPIE Electronic Imaging, 2013, Burlingame, California, United States
In this paper, we describe the results of a study designed to investigate the effectiveness of peak signal-to-noise ratio (PSNR) as a quality estimator when measured in various feature domains. Although PSNR is well known to be a poor predictor of image quality, PSNR has been shown be quite effective for additive, pixel-based distortions. We hypothesized that PSNR might also be effective for other types of distortions which induce changes to other visual features, as long as PSNR is measured between local measures of such features. Given a reference and distorted image, five feature maps are measured for each image (lightness distance, color distance, contrast, edge strength, and sharpness). We describe a variant of PSNR in which quality is estimated based on the extent to which these feature maps for the reference image differ from the corresponding maps for the distorted image. We demonstrate how this feature-based approach can lead to improved estimators of image quality.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Punit Singh and Damon M. Chandler "F-MAD: a feature-based extension of the most apparent distortion algorithm for image quality assessment", Proc. SPIE 8653, Image Quality and System Performance X, 86530I (4 February 2013);


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