@inproceedings{DRR-2014-FengLLLT,
	author        = "Tianxiao Feng and Xiaoqing Lu and Lu Liu and Keqiang Li and Zhi Tang",
	booktitle     = "{Proceedings of the 21st Conference on Document Recognition and Retrieval}",
	doi           = "10.1117/12.2042462",
	pages         = "None--11",
	publisher     = "{SPIE}",
	series        = "{SPIE Proceedings}",
	title         = "{Structure analysis for plane geometry figures}",
	volume        = 9021,
	year          = 2014,
}