Abstract
This paper describes a color restoration technique used to remove NIR information from single sensor cameras where color and near-infrared images are simultaneously acquired—referred to in the literature as RGBN images. The proposed approach is based on a neural network architecture that learns the NIR information contained in the RGBN images. The proposed approach is evaluated on real images obtained by using a pair of RGBN cameras. Additionally, qualitative comparisons with a naïve color correction technique based on mean square error minimization are provided.
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Notes
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Demosaicking refers to obtaining the {R,G,B,NIR} components from a given pixel, where all the information is attached together is a single square array {B,G} in top and {IR,R} from the bottom, see an illustration of this pixel composition in Fig. 2.
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Acknowledgments
This work has been partially supported by the Spanish Government under Project TIN2014-56919-C3-2-R and by the ESPOL projects: “Pattern recognition: case study on agriculture and aquaculture” (M1-DI-2015) and “Integrated system for emergency management using sensor networks and reactive signaling” (G4-DI-2014). Cristhian Aguilera has been supported by Universitat Autònoma de Barcelona. Xavier Soria would like to thank to Ecuador government under a scholarship contract 2015-AR3R7694.
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Aguilera, C., Soria, X., Sappa, A.D., Toledo, R. (2018). RGBN Multispectral Images: A Novel Color Restoration Approach. In: De la Prieta, F., et al. Trends in Cyber-Physical Multi-Agent Systems. The PAAMS Collection - 15th International Conference, PAAMS 2017. PAAMS 2017. Advances in Intelligent Systems and Computing, vol 619. Springer, Cham. https://doi.org/10.1007/978-3-319-61578-3_15
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DOI: https://doi.org/10.1007/978-3-319-61578-3_15
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