Update README.md

Author: handale88

README.md

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 # Urobot_segmentation_DB
 
-Urobot segmentation DB is a segmentation datasets for human upper-body with 7 joints; head, left shoulder, left elbow, left hand, right shoulder, right elbow, and right hand.
+Urobot_segmentation_DB is a segmentation datasets for human upper-body with 7 joints; head, left shoulder, left elbow, left hand, right shoulder, right elbow, and right hand.
 
+This dataset consists of RGB and segmentation images that depict 12 different scenarios, such as cleaning the table, preparing cereal in a bowl, reading a book, etc., with four different persons. 
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+![An example of segmentation dataset](./examples.png) 
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+
+### Citations
+If you use the Urobot_segmentation_DB in your work, please cite it as:
+
+Seunghee Lee, Jungmo Koo, Hyungjin Kim, Kwangyik Jung, and Hyun Myung, "A Robust Estimation of 2D Human Upper-body Poses using Fully Convolutional Network," in Proc. Int'l Conf. on Robot Intelligence Technology and Applications (RiTA), Daejeon, Korea, Dec. 13 - 15, 2017.