目的:应用增强现实(AR)技术,改进医疗器械课本中二维图片的诸多缺点,进行形象具体可交互的三维(3D)图片展示,便于学生更加清楚、透彻地理解课本内容.方法:比较Vuforia、ARToolKit、Easy等AR解决方案,利用Unity 3D作为开发平台,利用C#计算机语言作为开发语言,采用识别准确率更高的Vuforia AR技术,设置虚拟按钮进行交互;利用智能终端设备完成医学课本的相关应用程序(APP)设计.结果:基于AR技术的医学课本APP开发设计,在原有医学课本的基础上实现了观察某些特定医学二维图像,可以实时展示单个或多个3D立体模型,可直接使用设计的虚拟按钮功能与虚拟3D立体模型进行交互.结论:利用AR技术的APP学习方案,能够显著提高医疗器械的学习效率,使学生学习兴趣极大增强,并可将该技术移植到其他课本中进行研究.%Objective:To improve the shortcomings of the two-dimensional image in the book of medical apparatus and instrument, and to display visual, specific and interactive 3D image so that students can clearer and more thoroughly understand content of the textbook through applying augmented reality (AR) technique.Methods: By comparing different solutions of AR included Vuforia, ARToolKit, Easy and so on, using Unity 3D as development platform, using C# computer language as development language, adopting Vuforia AR technique with higher accurate, installing virtual button to achieve interaction and using intelligent terminal equipment to complete the design for relative application progress of medical textbook.Results:The development design of APP for medical textbook that based on AR technique has achieved the observation for some specific medical 2-dimentional images on the basis of original medical textbook, and it could real-time display single or multiple 3D spatial model, and could directly use virtual button function to achieve interaction with virtual 3D spatial model.Conclusion:The APP learning plan based on AR technique can significantly increase learning efficiency for medical apparatus and instrument, and can enhance the learning interest, and this technique can be transferred to other textbooks to research more APP according to above results.
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