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	Deformable Registration Method using TPS and B-Spline
	Huailing Zhang; Guangwen Lu; Yixiao Zhu; Yaoqin Xie
	2012
会议名称	International Symposia on Imaging and Signal Processing in Health Care and Technology, ISPHT 2012
英文摘要	We develop a hybrid method joint using combining Thin-Plate Spline(TPS) and B-spline to improve both the efficiency and accuracy of the conventional B-spline in registration of CT image. The proposed algorithm consists of two steps. First, we use TPS as a global registration method to register two CT images rapidly, deforming large unfit regions in the moving image to match counterpart in the reference image. Then B-spline is used for local registration, the previous deformed moving image using TPS is further deformed to match the reference image more accurately. In our experiment, a couple of clinical images are simulated using the two-step algorithm above, result in a tremendous improvement in both run-time and registration quality, compared with the conventional methods solely using either TPS or B-spline. It is demonstrated that the proposed method can combine the efficiency of TPS and the accuracy of B-spline, performing good adaptivity and robust in registration of clinical CT image.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/4119]
专题	深圳先进技术研究院_医工所
作者单位	2012
推荐引用方式 GB/T 7714	Huailing Zhang,Guangwen Lu,Yixiao Zhu,et al. Deformable Registration Method using TPS and B-Spline[C]. 见:International Symposia on Imaging and Signal Processing in Health Care and Technology, ISPHT 2012.

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