NTIRE 2020 challenge on spectral reconstruction from an RGB image
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2020
Publication Type
Conference Paper
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yes
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Abstract
This paper reviews the second challenge on spectral reconstruction from RGB images, i.e., the recovery of whole- scene hyperspectral (HS) information from a 3-channel RGB image. As in the previous challenge, two tracks were provided: (i) a "Clean" track where HS images are estimated from noise-free RGBs, the RGB images are themselves calculated numerically using the ground-truth HS images and supplied spectral sensitivity functions (ii) a "Real World" track, simulating capture by an uncalibrated and unknown camera, where the HS images are recovered from noisy JPEG-compressed RGB images. A new, larger-than-ever, natural hyperspectral image data set is presented, containing a total of 510 HS images. The Clean and Real World tracks had 103 and 78 registered participants respectively, with 14 teams competing in the final testing phase. A description of the proposed methods, alongside their challenge scores and an extensive evaluation of top performing methods is also provided. They gauge the state-of-the-art in spectral reconstruction from an RGB image. © 2020 IEEE.
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published
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2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)
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Pages / Article No.
1806 - 1822
Publisher
IEEE
Event
2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW 2020) (virtual)
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Software
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Notes
Due to the Corona virus (COVID-19) the conference was conducted virtually.