针对3D扫描技术的近期发展情况,以及市场关于被摄物体特征有效提取的迫切需求,通过系统的对照相机和投影仪测量的方法与计算,利用离散点三维重建算法、标准化算法详细分析了,作为3D扫描原型系统的关键技术,并深入的对三维坐标重复演算的过程,进行了实践研究与计算,论证了基于投影光编码技术的3D扫描仪原型系统,在物体特征有效提取和离散点三维重建中完全可以高效应用;同时,使用焦距标准化运算、逆向倾角变形运算、逆向扭曲变形运算三种方法,综合论述了物体特征有效提取和离散点三维重建过程的相关内容,测试了原型系统对真实文物的扫描情况,展开了该原型系统可应用于不同材料,不同种类物体的扫描,并能有效的进行数字化物体特征识别的研究结论.%Based on the development of 3D scanning technology in the near future,as well as on the urgent needs of the subject characteristics of effective extraction,through the method of camera and projector measurement system and calculation,using the discrete 3D reconstruction algorithm and standard algorithm are analyzed in detail,as the key technology of 3D scanning system,and further to the 3D coordinates of repeat the calculation process,the practice research and calculation,demonstrates the 3D scanner prototype system of projection light encoding technology based on object feature extraction in effective and discrete points in 3D reconstruction can be used efficiently;at the same time,the use of standardized operation,focal length reverse angle deformation calculation,reverse distortion calculation of three methods,comprehensive discussion the content related to the object feature extraction and effective discrete point reconstruction process,the prototype system to the real cultural relics sweep test.The prototype system can be used for different materials,different kinds of objects,and can effectively carry out the research results of digital object recognition.
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