The BGU ICVL Hyperspectral Database Portal

This page is the iCVL portal for the database of hyperspectral images described in  “Sparse Recovery of Hyperspectral Signal from Natural RGB Images“.

The database images were acquired using a Specim PS Kappa DX4 hyperspectral camera and a rotary stage for spatial scanning. At this time it contains 201 images and will continue to grow progressively.

Images were collected at 1392×1300 spatial resolution over 519 spectral bands (400-1,000nm at roughly 1.25nm increments). The camera is 12 bit in depth, thus pixel values range from 0 to 4095 (2^12 -1). The .raw files contain raw out-of-camera data in ENVI format and .hdr files contain the ENVI headers required to decode them. For your convenience, .mat files are provided data downsampled to 31 spectral channels from 400nm to 700nm at 10nm increments. The RGB renderings below represent the projection of the hyperspectral data to RGB via the generic CIE1964 filter response functions. This is provided for reference and demonstration only (and a a mean to depict the content of the hyperspectral images) and do not depict any particular camera response. You are welcome to use the filter response functions most suitable for your intended camera or application.

Please note that the data is shared under the CC BY-NC-ND 4.0 Creative Commons License. When used, fully or partially, please name the dataset the “BGU iCVL Hyperspectral Image Dataset” and cite “Arad and Ben-Shahar, Sparse Recovery of Hyperspectral Signal from Natural RGB Images, in the European Conference on Computer Vision, Amsterdam, The Netherlands, October 11–14, 2016”. A bibtex record follows for your convenience.

@inproceedings{arad_and_ben_shahar_2016_ECCV,
  title={Sparse Recovery of Hyperspectral Signal from Natural RGB Images},
  author={Arad, Boaz and Ben-Shahar, Ohad},
  booktitle={European Conference on Computer Vision},
  pages={19--34},
  year={2016},
  organization={Springer}
}

For commercial use, or other questions, comments, and technical assistance, please contact iCVL@cs.bgu.ac.il 

Hyperspectral Images

Below you can access all HS images in our database. The database cannot be downloaded as one file due to its size (approx 0.5 TB)  and visitors can only download selected (or all) images one at a time. Of course, you are welcome to use any one of the many freely-available mass downloaders to download all images at once (for example, see this Chrome plugin), but make sure enough storage was secured on your end. File lists including the category subsets (urban, rural, etc.) listed in the above paper can be found here.

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