Preferences for the balance between true image detail and noise

Sachin Deshpande; Scott Daly

doi:10.1117/12.872597

2 February 2011 Preferences for the balance between true image detail and noise

Sachin Deshpande, Scott Daly

Proceedings Volume 7865, Human Vision and Electronic Imaging XVI; 78650L (2011) https://doi.org/10.1117/12.872597
Event: IS&T/SPIE Electronic Imaging, 2011, San Francisco Airport, California, United States

Abstract

We designed a series of experiments to measure user preference for the noise-detail tradeoff, including tests of the assumption that all true image detail is preferred. We generated samples with noise-detail tradeoff by designing a sequence of coring filters with increasing strength. A user study method is developed using magnitude estimation approach. In the first experiment the coring filter sequence is applied to original video samples without any additional noise. It is observed that the subjective quality score increases as coring strength is increased, reaches a peak and then decreases. Thus users prefer slightly cored images compared to original images. In the second experiment the coring filter sequence is applied to video samples with additive noise of different strength. It is observed that the most preferred coring strength increases as the amount of noise in the image increases. The results from our experiments can be used to design parameters for various image/ video post-processing and noise removal algorithms.

Citation Download Citation

Sachin Deshpande and Scott Daly "Preferences for the balance between true image detail and noise", Proc. SPIE 7865, Human Vision and Electronic Imaging XVI, 78650L (2 February 2011); https://doi.org/10.1117/12.872597

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KEYWORDS

Video

Image filtering

Linear filtering

Nonlinear filtering

Visualization

Denoising

Electronic imaging

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