add lung data

zips/Lung/README.md

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+# Lung Datasets
+
+## Robotic Lung Ultrasound Dataset
+Intercostal transverse ultrasound images collected from five healthy male subjects. Images are collected via a robotic ultrasound system with Clarius C3HD probe. Pleural line and rib shadows are labeled.
+
+Source: 
+
+Xihan Ma (xma4@wpi.edu, xihan725@gmail.com)
+
+file: 
+
+```RobLUS.zip```

zips/Lung/RobLUS.zip

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+version https://git-lfs.github.com/spec/v1
+oid sha256:472ff1ddef338ff83751884aac8fd3aa39183f11214cd17435048037b6ed5670
+size 2060306024