Daniele Picone
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Added images to readme
Browse files- README.md +50 -25
- assets/teaser.png +3 -0
- assets/thumbnail_food_and_drinks.png +3 -0
- assets/thumbnail_paints.png +3 -0
- assets/thumbnail_real_and_fake.png +3 -0
- assets/thumbnail_skin_and_hair.png +3 -0
- assets/thumbnail_stuff.png +3 -0
README.md
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# Description
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This database contains a set multispectral images that were used to emulate the GAP camera. The images are of a wide variety of real-world materials and objects.
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# Credits
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The dataset was originally provided by Columbia University and available at:
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https://www.cs.columbia.edu/CAVE/databases/multispectral/
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# Publication
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"Generalized Assorted Pixel Camera: Post-Capture Control of Resolution, Dynamic Range and Spectrum,"
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F. Yasuma, T. Mitsunaga, D. Iso, and S.K. Nayar,
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Technical Report, Department of Computer Science, Columbia University CUCS-061-08,
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- [bib](https://www1.cs.columbia.edu/CAVE/publications/pub_bibtex.php?id=293)
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- [(C)](http://www1.cs.columbia.edu/CAVE/publications/copyright.html)
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- [Project Page](http://www.cs.columbia.edu/CAVE/projects/gap_camera/)
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# Image capture information
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NOTE: These multispectral images represent the reflectances of the materials in the scene. The reflectance spectrum at each pixel was computed from the measured multispectrum image using calibrated estimates of the illumination spectrum and camera spectral response. As a result, each multispectral image should be taken as a close approximation, rather than exact measurement, of the true reflectance of the scene.
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Each scene also contains a single representative color image, displayed using sRGB values rendered under a neutral daylight illuminant (D65).
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# Access instructions
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The database of 32 scenes is divided into 5 sections, as below:
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- [Stuff](https://www.cs.columbia.edu/CAVE/databases/multispectral/stuff/)
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- [Skin and hair](https://www.cs.columbia.edu/CAVE/databases/multispectral/skin_and_hair/)
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- [Paints](https://www.cs.columbia.edu/CAVE/databases/multispectral/paints/)
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- [Food and drinks](https://www.cs.columbia.edu/CAVE/databases/multispectral/food_and_drinks/)
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- [Real and fake](https://www.cs.columbia.edu/CAVE/databases/multispectral/real_and_fake/)
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# Related project
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[Generalized assorted pixel camera](https://www.cs.columbia.edu/CAVE/projects/gap_camera/)
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# Description
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This database contains a set multispectral images that were used to emulate the GAP camera. The images are of a wide variety of real-world materials and objects.
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# Publication
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"Generalized Assorted Pixel Camera: Post-Capture Control of Resolution, Dynamic Range and Spectrum,"
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F. Yasuma, T. Mitsunaga, D. Iso, and S.K. Nayar,
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Technical Report, Department of Computer Science, Columbia University CUCS-061-08, Nov. 2008.
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[PDF](https://www1.cs.columbia.edu/CAVE/publications/pdfs/Yasuma_TR08.pdf) - [bib](https://www1.cs.columbia.edu/CAVE/publications/pub_bibtex.php?id=293) - [(C)](http://www1.cs.columbia.edu/CAVE/publications/copyright.html) - [Project Page](http://www.cs.columbia.edu/CAVE/projects/gap_camera/)
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# Image capture information
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|---------------------|----------------------------------------|
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| Camera | Cooled CCD camera (Apogee Alta U260) |
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| Resolution | 512 x 512 pixel |
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| Filter | VariSpec liquid crystal tunable filter |
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| Illuminant | CIE Standard Illuminant D65 |
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| Range of wevelength | 400nm - 700nm |
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| Steps | 10nm |
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| Number of band | 31 band |
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| Focal length | f/1.4 |
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| Focus | Fixed (focused using 550nm image) |
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| Image format | PNG (16bit) |
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NOTE: These multispectral images represent the reflectances of the materials in the scene. The reflectance spectrum at each pixel was computed from the measured multispectrum image using calibrated estimates of the illumination spectrum and camera spectral response. As a result, each multispectral image should be taken as a close approximation, rather than exact measurement, of the true reflectance of the scene.
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Each scene also contains a single representative color image, displayed using sRGB values rendered under a neutral daylight illuminant (D65).
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# Quick look
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<figure>
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<img src= "assets/teaser.png" alt="CAVE" width="500" />
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<figcaption>CAVE dataset teaser image.</figcaption>
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</figure>
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# Access instructions
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The database of 32 scenes is divided into 5 sections, as shown below:
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- [Stuff](https://www.cs.columbia.edu/CAVE/databases/multispectral/stuff/)
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<figure>
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<img src= "assets/thumbnail_stuff.png" alt="CAVE stuff" width="500" />
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</figure>
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- [Skin and hair](https://www.cs.columbia.edu/CAVE/databases/multispectral/skin_and_hair/)
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<figure>
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<img src= "assets/thumbnail_skin_and_hair.png" alt="CAVE skin and hair" width="300" />
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</figure>
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- [Paints](https://www.cs.columbia.edu/CAVE/databases/multispectral/paints/)
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<figure>
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<img src= "assets/thumbnail_paints.png" alt="CAVE paints" width="200" />
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</figure>
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- [Food and drinks](https://www.cs.columbia.edu/CAVE/databases/multispectral/food_and_drinks/)
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<figure>
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<img src= "assets/thumbnail_food_and_drinks.png" alt="CAVE food and drinks" width="200" />
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</figure>
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- [Real and fake](https://www.cs.columbia.edu/CAVE/databases/multispectral/real_and_fake/)
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<figure>
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<img src= "assets/thumbnail_real_and_fake.png" alt="CAVE real and fake" width="600" />
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</figure>
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# Related project
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[Generalized assorted pixel camera](https://www.cs.columbia.edu/CAVE/projects/gap_camera/)
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# Credits
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The dataset was originally provided by Columbia University and available at:
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https://www.cs.columbia.edu/CAVE/databases/multispectral/
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assets/teaser.png
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Git LFS Details
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assets/thumbnail_food_and_drinks.png
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Git LFS Details
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assets/thumbnail_paints.png
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Git LFS Details
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assets/thumbnail_real_and_fake.png
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Git LFS Details
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assets/thumbnail_skin_and_hair.png
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Git LFS Details
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assets/thumbnail_stuff.png
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Git LFS Details
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