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Remote Sens. 2017, 9(4), 305; doi:10.3390/rs9040305

No-Reference Hyperspectral Image Quality Assessment via Quality-Sensitive Features Learning

School of Automation, Northwestern Polytechnical University, Xi’an 710072, China; yang123jx@mail.nwpu.edu.cn (J.Y.); chenyi0818@mail.nwpu.edu.cn (C.Y.)
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Received: 17 January 2017 / Revised: 13 March 2017 / Accepted: 20 March 2017 / Published: 23 March 2017
(This article belongs to the Special Issue Spatial Enhancement of Hyperspectral Data and Applications)

Abstract

Assessing the quality of a reconstructed hyperspectral image (HSI) is of significance for restoration and super-resolution. Current image quality assessment methods such as peak signal-noise-ratio require the availability of pristine reference image, which is often not available in reality. In this paper, we propose a no-reference hyperspectral image quality assessment method based on quality-sensitive features extraction. Difference of statistical properties between pristine and distorted HSIs is analyzed in both spectral and spatial domains, then multiple statistics features that are sensitive to image quality are extracted. By combining all these statistics features, we learn a multivariate Gaussian (MVG) model as benchmark from the pristine hyperspectral datasets. In order to assess the quality of a reconstructed HSI, we partition it into different local blocks and fit a MVG model on each block. A modified Bhattacharyya distance between the MVG model of each reconstructed HSI block and the benchmark MVG model is computed to measure the quality. The final quality score is obtained by average pooling over all the blocks. We assess five state-of-the-art super-resolution methods on Airborne Visible Infrared Imaging Spectrometer (AVIRIS) and Hyperspec-VNIR-C (HyperspecVC) data using our proposed method. It is verified that the proposed quality score is consistent with current reference-based assessment indices, which demonstrates the effectiveness and potential of the proposed no-reference image quality assessment method. View Full-Text
Keywords: image assessment; no reference; hyperspectral; statistics feature; multivariate Gaussian image assessment; no reference; hyperspectral; statistics feature; multivariate Gaussian
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Yang, J.; Zhao, Y.; Yi, C.; Chan, J.-W. No-Reference Hyperspectral Image Quality Assessment via Quality-Sensitive Features Learning. Remote Sens. 2017, 9, 305.

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