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Open AccessArticle

Wide-Band Color Imagery Restoration for RGB-NIR Single Sensor Images

1
Computer Vision Center, Edifici O, Campus UAB, Bellaterra, 08193 Barcelona, Spain
2
Facultad de Ingeniería en Electricidad y Computación, CIDIS, Escuela Superior Politécnica del Litoral, ESPOL, Campus Gustavo Galindo, Km 30.5 vía Perimetral, Guayaquil 09-01-5863, Ecuador
3
BAE Systems FAST Labs, 600 District Avenue, Burlington, MA 01803, USA
*
Author to whom correspondence should be addressed.
Sensors 2018, 18(7), 2059; https://doi.org/10.3390/s18072059
Received: 30 April 2018 / Revised: 23 June 2018 / Accepted: 25 June 2018 / Published: 27 June 2018
(This article belongs to the Special Issue Advances in Infrared Imaging: Sensing, Exploitation and Applications)
Multi-spectral RGB-NIR sensors have become ubiquitous in recent years. These sensors allow the visible and near-infrared spectral bands of a given scene to be captured at the same time. With such cameras, the acquired imagery has a compromised RGB color representation due to near-infrared bands (700–1100 nm) cross-talking with the visible bands (400–700 nm). This paper proposes two deep learning-based architectures to recover the full RGB color images, thus removing the NIR information from the visible bands. The proposed approaches directly restore the high-resolution RGB image by means of convolutional neural networks. They are evaluated with several outdoor images; both architectures reach a similar performance when evaluated in different scenarios and using different similarity metrics. Both of them improve the state of the art approaches. View Full-Text
Keywords: RGB-NIR sensor; multispectral imaging; deep learning; CNNs RGB-NIR sensor; multispectral imaging; deep learning; CNNs
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MDPI and ACS Style

Soria, X.; Sappa, A.D.; Hammoud, R.I. Wide-Band Color Imagery Restoration for RGB-NIR Single Sensor Images. Sensors 2018, 18, 2059. https://doi.org/10.3390/s18072059

AMA Style

Soria X, Sappa AD, Hammoud RI. Wide-Band Color Imagery Restoration for RGB-NIR Single Sensor Images. Sensors. 2018; 18(7):2059. https://doi.org/10.3390/s18072059

Chicago/Turabian Style

Soria, Xavier; Sappa, Angel D.; Hammoud, Riad I. 2018. "Wide-Band Color Imagery Restoration for RGB-NIR Single Sensor Images" Sensors 18, no. 7: 2059. https://doi.org/10.3390/s18072059

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