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	A Vision-based Tracking Method of Flexible Surgical Instrument
	Zhijian Gan; Jing Xiong; Zeyang Xia
	2018
会议日期	2018
会议地点	长沙
英文摘要	In clinical minimally invasive surgery, flexible surgical instruments are widely used for intervention treatment. For a better clinical characteristics, the requirements of tacking accuracy, visual image recognition rate and less lag of real-time tracking are increasing. However, in practical conditions, the environment is under uneven illumination and produce uneven image quality. The recognition rate of flexible devices is low and the tracking is inaccuracy. Therefore, this paper presents a vision-based tracking method of flexible surgical instrument in order to promote the situations above. First, the entrance region of the flexible surgical instruments in the field will be separated to determine an initial local area. Then, the real time end position detection of the flexible surgical instrument in this local area will be captured, and a new local area will be generated once the end of the instrument leaves the local area. In every new local area, the process of ”detecting end position-generating a new local area” will be repeated until the operation of the surgical instrument and the tracking task are completed. The experiment results illustrate that the proposed method can effectively solve the problems which include poor image quality, low recognition rate under uneven illumination and inaccuracy tracking.Thus, this tracking method can greatly improve tracking precision of the end of instrument.
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/14495]
专题	深圳先进技术研究院_医工所
推荐引用方式 GB/T 7714	Zhijian Gan,Jing Xiong,Zeyang Xia. A Vision-based Tracking Method of Flexible Surgical Instrument[C]. 见:. 长沙. 2018.

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