增强现实系统中的嵌入结构光技术研究

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1、上海交通大学硕士学位论文增强现实系统中的嵌入结构光技术研究姓名：王宇超申请学位级别：硕士专业：软件工程指导教师：肖双九;杨旭波20090101增强现实系统中的嵌入结构光技术研究摘要果；而且对比前人的方法，在保证结构光视觉不可见性的前提下，改进和提高结构光还原图像的精度。最后，本文还研究基于嵌入结构光技术的投影平面几何自动标定和增强现实场景交互技术等方面。总结本文的贡献，包括如下内容：第一，提出了一种改进的嵌入结构光算法，该算法提高了嵌入结构光的“隐藏性”和计算精度。第二，利用嵌入结构光图案“隐藏性”的特点，在增强现实系统中实现

2、基于嵌入结构光的自动标定技术和基于嵌入结构光的场景三维扫描技术。关键词：结构光编码，嵌入结构光，不可见结构光，三维重建，增强现实第II页增强现实系统中的嵌入结构光技术研究ABSTRACTSTUDYONEMBEDDEDSTRUCTURED-LIGHTINAUGMENTEDREALITYSYSTEMABSTRACTAugmentedrealityiscomputersystemwhichusingcomputerauxiliaryinformationtoreinforcetherealityenvironmentforusers

3、.Thiskindofsystemgeneratestheinformationofgraph,imageandvoicetotheenvironmenttheuserlocated.Andtheseinformationcomposesthevirtualworldandrealworldintoamixedrealityworld.Inthe1990s,theaugmentedrealitytookthevirtualrealityimportantandtheemergingbranch,indomainsofmilit

4、ary,medicalservice,industry,dailylifeandentertainmentandsoon.Ithadthebroadapplicationprospect,startedtobecometheresearchhotspotgradually.Reconstruction3Dinformationhasbeenthecomputervisionimportanttopic.Alongwiththetechnicalunceasingprogress,theindustrialworldhashig

5、herrequestregardingaccuracyandspeedinreconstruction3Dinformation.Thestructured-lightmethodiswidelyusedinindustryforitsadvantageineasinessandaccuratemeasurement.Butforaugmentedreality,especiallyintheprojector-basedaugmentedreality,visualstructured-lightpatternmaydist

6、ractusers’enjoy.Thedistractionbecomesmoreseriousfordynamicprojectionsurfaceinwhichcompensationanddisplayshouldbedonesimultaneously.Theembeddedstructured-lightcouldavoidthisdistractionforitsadvantageinpatternimperceptibilityThemainresearchcontentofthispaperincludingt

7、hefollowingseveralaspects:theprincipleofstructured-light3Dmeasurementtechnique,andclassificationofthepatterncode;therealizationoftheembeddedstructured-lighttechnology;andthispaperprovidesanovelcontentadaptiveembeddedstructured-lightcodinganddecodingtechnology.Withth

8、emethodofcompensationalpattern,itcouldembedarbitrarybinarypatterninto第III页增强现实系统中的嵌入结构光技术研究ABSTRACTordinarysourceprojectedimage,andachieve