16 July 2019 No-reference prediction of quality metrics for H.264-compressed infrared sequences for unmanned aerial vehicle applications
Kabir Hossain, Claire Mantel, Søren O. Forchhammer
Author Affiliations +
Abstract

We propose a no-reference (NR) method for estimating the scores of metrics assessing the quality of infrared (IR) sequences compressed with H.264 for low-complexity unmanned aerial vehicle (UAV) applications. The scenario studied is to estimate the quality on an on-ground computer to avoid performing the processing onboard, due to the computational and memory limitations of the onboard hardware. For low complexity and fast feedback, a bitstream-based (BB) approach was chosen. The original IR sequences are captured by UAV, and then BB and pixel-based (PB) features are computed. Thereafter, a feature selection process is applied and the selected features are mapped using support vector regression, to predict the quality scores of full reference metrics. The method is evaluated for the NR prediction of four image and one video quality metrics. A set of five UAV- and three ground-IR sequences are used for evaluation. The proposed NR method consistently achieves robust results for the different objective metrics tested (Spearman rank-order correlation coefficients ranging from 0.91 to 0.99). A comparison with estimations based on features from three NR models from the literature proves to be in favor of the proposed method.

© 2019 SPIE and IS&T 1017-9909/2019/$28.00 © 2019 SPIE and IS&T
Kabir Hossain, Claire Mantel, and Søren O. Forchhammer "No-reference prediction of quality metrics for H.264-compressed infrared sequences for unmanned aerial vehicle applications," Journal of Electronic Imaging 28(4), 043012 (16 July 2019). https://doi.org/10.1117/1.JEI.28.4.043012
Received: 21 December 2018; Accepted: 20 June 2019; Published: 16 July 2019
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Cited by 3 scholarly publications.
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KEYWORDS
Unmanned aerial vehicles

Infrared imaging

Image quality

Video

Feature selection

Infrared radiation

Visible radiation

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