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license: unknown |
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# Description |
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Urban is one of the most widely used hyperspectral data used in the hyperspectral unmixing study. There are 307x307 pixels, each of which corresponds to a 2x2 m2 area. In this image, there are 210 wavelengths ranging from 400 nm to 2500 nm, resulting in a spectral resolution of 10 nm. After the channels 1-4, 76, 87, 101-111, 136-153 and 198-210 are removed (due to dense water vapor and atmospheric effects), 162 channels are left (this is a common preprocess for hyperspectral unmixing analyses). There are three versions of ground truth, which contain 4, 5 and 6 endmembers respectively, which are introduced in the ground truth. |
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# Quick look |
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<figure> |
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<img src= "assets/D9_1.png" alt="Urban" width="500" /> |
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<figcaption>Urban and its ground truths.</figcaption> |
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</figure> |
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# Characteristics |
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Ground Truth: three versions, including 4, 5 and 6 endmembers respectively. |
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- 4 endmembers version: The 4 endmembers are "#1 Asphalt", "#2 Grass", "#3 Tree" and "#4 Roof" respectively. |
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- 5 endmembers version: The 5 endmembers are "#1 Asphalt", "#2 Grass", "#3 Tree", "#4 Roof" and "#5 Dirt" respectively. |
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- 6 endmembers version: The 6 endmembers are "#1 Asphalt", "#2 Grass", "#3 Tree", "#4 Roof", "#5 Metal", and "#6 Dirt" respectively. |
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# Credits |
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Dataset originally collected by Feiyun Zhu and originally available at: http://www.escience.cn/people/feiyunZHU/Dataset_GT.html |
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To use this dataset, cite the associated paper: |
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``` |
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@misc{zhu2017hyperspectral, |
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title={Hyperspectral Unmixing: Ground Truth Labeling, Datasets, Benchmark Performances and Survey}, |
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author={Feiyun Zhu}, |
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year={2017}, |
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eprint={1708.05125}, |
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archivePrefix={arXiv}, |
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primaryClass={cs.CV} |
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} |
