Added datasets

.gitattributes

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 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
+*.fig filter=lfs diff=lfs merge=lfs -text
+*.mat filter=lfs diff=lfs merge=lfs -text
+*.hdr filter=lfs diff=lfs merge=lfs -text
+*.img filter=lfs diff=lfs merge=lfs -text

README.md

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 ---
 license: unknown
 ---
+
+
+# Description
+
+Samson is a simple dataset that is available from the [website](http://opticks.org/confluence/display/opticks/Sample+Data). In this image, there are 952x952 pixels. Each pixel is recorded at 156 channels covering the wavelengths from 401 nm to 889 nm. The spectral resolution is highly up to 3.13 nm. As the original image is too large, which is very expensive in terms of computational cost, a region of 95x95 pixels is used. It starts from the (252,332)-th pixel in the original image. This data is not degraded by the blank channel or badly noised channels. Specifically, there are three targets in this image, i.e. "#1 Soil", "#2 Tree" and "#3 Water" respectively.
+
+# Quick look
+
+<figure>
+    <img src= "assets/D7_1.png" alt="Samson" width="500" />
+    <figcaption>Samson and its ground truths.</figcaption>
+</figure>
+
+# Credits
+
+Dataset originally made available by [Opticks](https://www.opticks.org/).

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end3_Abundances.fig

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