Research of Feedback Algorithm and Deformable Model Based on Improved Spring-mass Model_Journal of Biomedical Engineering

Authors：

CHENWeidong ^1,2 , CHENPanpan ^1,2 ,  ZHUQiguang ^1,2

1. School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004, China;
2. The Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province, Qinhuangdao 066004, China;

Corresponding author：

ZHUQiguang, Email: zhu7880@ysu.edu.cn

Keywords：

soft tissue deformation; the deformation force feedback algorithm; spring-mass model; diamond structure; virtual spring

DOI：

10.7507/1001-5515.20150176

Video：

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A new diamond-based variable spring-mass model has been proposed in this study. It can realize the deformation simulation for different organs by changing the length of the springs, spring coefficient and initial angle. The virtual spring joined in the model is used to provide constraint and to avoid hyperelastic phenomenon when excessive force appears. It is also used for the calculation of force feedback in the deformation process. With the deformation force feedback algorithm, we calculated the deformation area of each layer through screening effective particles, and contacted the deformation area with the force. This simplified the force feedback algorithm of traditional spring-particle model. The deformation simulation was realized by the PHANTOM haptic interaction devices based on this model. The experimental results showed that the model had the advantage of simple structure and of being easy to implement. The deformation force feedback algorithm reduces the number of the deformation calculation, improves the real-time deformation and has a more realistic deformation effect.

Citation： CHENWeidong, CHENPanpan, ZHUQiguang. Research of Feedback Algorithm and Deformable Model Based on Improved Spring-mass Model. Journal of Biomedical Engineering, 2015, 32(5): 989-996. doi: 10.7507/1001-5515.20150176 Copy

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13.	杜阿安,杨新,薛海红,等.心脏三维虚拟内窥镜系统[J].生物医学工程学杂志, 2012, 29(5):974-982.
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1. 吴峥,谢叻,马浩博.虚拟手术实时物体碰撞检测和软组织变形研究[J].计算机仿真, 2010, 27(2):255-259.
2. 赵沁平.虚拟现实综述[J].中国科学, 2009, 39(1):2-46.
3. 庞智晖,魏秋实,周广全,等.个体股骨头坏死三维有限元模型的建立与应用[J].生物医学工程学杂志, 2012, 29(2):251-255.
4. NATSUPAKPONG S, ÇAVUSOGLU M C. Determination of elasticity parameters in lumped element (mass-spring) models of deformable objects[J]. Graphical Models, 2010, 72(6):61-73.
5. JARAMILLO A, PRIETO F, BOULANGER P. Deformable part inspection using a spring-mass system[J]. Computer-Aided Design, 2013, 45(8-9):1128-1137.
6. PATETE P, LACONO M I, SPADEA M F, et al. A multi-tissue mass-spring model for computer assisted breast surgery[J]. Med Eng Phys, 2013, 35:47-53.
7. 吴涓,宋爱国,李建清.用于虚拟力觉再现的弹簧-质点力/变形模型研究[J].系统仿真学报, 2006,18(11):3152-3156.
8. 张小瑞,孙伟,宋爱国,等.双通道力/触觉交互的虚拟肺手术仿真系统[J].仪器仪表学报, 2012, 33(2):421-427.
9. ZHU B, GU L X. A hybrid deformable model for real-time surgical simulation[J]. Computerized Medical Imaging and Graphics, 2012, 36:356-365.
10. ZHONG Y M, BIJAN S, JULIAN S, et al. Soft tissue deformation with reaction-diffusion process for surgery simulation[J]. Journal of Visual Languages and Computing, 2012, 23:1-12.
11. 陈卫东,赵成龙,朱奇光,等.虚拟手术中软组织形变建模及力反馈算法研究[J].中国生物医学工程学报, 2013, 32(1):114-118.
12. CHANG Y H, CHEN Y T, CHSNG C W, et al. Development scheme of haptic-based system for interactive deformable simulation[J]. Computer-Aided Design, 2010, 42:414-424.
13. 杜阿安,杨新,薛海红,等.心脏三维虚拟内窥镜系统[J].生物医学工程学杂志, 2012, 29(5):974-982.
14. CHEN Y, SHEN L Y, YUAN C M. Collision and intersection detectioin of two ruled surfaces using bracket method[J]. Computer Aided Geometric Design, 2011, (28):114-126.

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