第60卷第2期/2023年1月/激光与光电子学进展0212002-1研究论文基于窗口匹配的对称条纹投影测量方法冷志博1，2，金鑫2*1中国科学技术大学生命科学与医学部生物医学工程学院，江苏苏州215000；2中国科学院苏州生物医学工程技术研究所，江苏苏州215000摘要条纹投影三维测量技术因高精度、高鲁棒性、低成本等优点而被众多学者广泛研究和应用。然而，传统的方法大多需要投影多张条纹才能获取物体的三维形貌。因此提出一种快速条纹投影三维测量方法。设计一个对称相位用于相位解包，可以有效减少投影条纹的数量；将投影仪看作逆相机，把系统构建为一个立体视觉系统，利用立体视觉的极线约束对对称相位设计一种窗口匹配方式，增强相位解包的鲁棒性。相比传统的倍频法、多频外差法等，所提方法的条纹数量可以减少50%，同时保证高的精度和鲁棒性。关键词三维测量；条纹投影；对称条纹；窗口匹配；精度和鲁棒性中图分类号O439文献标志码ADOI：10.3788/LOP212862SymmetricalFringeProjectionMeasurementMethodBasedonWindowMatchingLengZhibo1,2,JinXin2*1SchoolofBiomedicalEngineering,DivisionofLifeSciencesandMedicine,UniversityofScienceandTechnologyofChina,Suzhou215000,Jiangsu,China;2SuzhouInstituteofBiomedicalEngineeringandTechnology,ChineseAcademyofSciences,Suzhou215000,Jiangsu,ChinaAbstractThefringeprojectionthree-dimensionalmeasurementtechnologyhasbeenextensivelyinvestigatedandusedbynumerousscholarsowingtoitshighprecision,highrobustness,lowcost,andotherbenefits.However,mosttraditionalapproachesrequireprojectingnumerousfringestogeneratetheobject’sthree-dimensionalshape.Thisstudyprovidesafastfringeprojectionthree-dimensionalmeasurementapproach,designingasymmetricalphaseforphaseunwrapping,whichcanefficientlydecreasethenumberofprojectedfringes.Inthisapproach,theprojectorisregardedasaninversecamera,thesystemisbuiltasastereovisionsystem,andawindowmatchingapproachisdevelopedtoimprovetherobustnessofphaseunwrappingusingtheepipolarlimitationofstereovisionforthesymmetricalphaseinformation.Comparedwiththetraditionalfrequencydoublingapproachandmulti-frequencyheterodyneapproach,thenumberoffringesoftheproposedapproachcanbereducedby50%whileassuringhighaccuracyandro...
