科研之友
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摘要
From the viewpoint of real-time surgical simulation, this paper presents a novel deformation modeling scheme of virtual soft tissue based on mass-spring model. This scheme needs the computation within an affected region, the location of which is variable with the tip position of the virtual touch probe on the surface of soft tissue and the area of which is extensible. The modeling approach has been integrated into a virtual palpating surgery training system and the operators could manipulate the virtual organs with a haptic device. Experimental results show that the system has maintained a guaranteed frame rate, which ensures true real-time interaction.
- 出版日期2010-11
- 单位哈尔滨工程大学
