引用格式:胡志新，梅紫俊，王涛，等．基于自适应窗口和改进Census变换的半全局立体匹配算法［J］．电光与控制，2023，30(3):33-37．HUZX,MEIZJ,WANGT,etal．Semi-globalstereomatchingalgorithmbasedonadaptivewindowandimprovedCensustransform［J］．ElectronicsOptics＆Control,2023,30(3):33-37．基于自适应窗口和改进Census变换的半全局立体匹配算法胡志新，梅紫俊，王涛，曹刘洋(东华理工大学机械与电子工程学院，南昌330000)摘要:针对基于Census变换的立体匹配算法匹配精度不理想、易受噪声干扰的问题，提出一种自适应窗口结合改进Census变换的方法。通过自适应选择变换窗口大小，并在Census变换中引入噪声容限参数，且将其改进Census代价与RGB颜色差值代价加权融合，再采用四路径代价聚合策略完成初始代价聚合，最后用WTA算法计算初始视差后通过后处理优化得到最终视差。实验结果表明所提算法误匹配率较低，抗噪性能有较好提升。关键词:视觉检测;立体匹配;自适应窗口;Census变换;代价融合中图分类号:TP391．41文献标志码:Adoi:10．3969/j．issn．1671－637X．2023．03．006Semi-globalStereoMatchingAlgorithmBasedonAdaptiveWindowandImprovedCensusTransformHUZhixin,MEIZijun,WANGTao,CAOLiuyang(SchoolofMechanicalandElectronicEngineering,EastChinaUniversityofTechnology,Nanchang330000,China)Abstract:AimingattheproblemthatstereomatchingalgorithmbasedonCensustransformhaspoormatchingaccuracyandissusceptibletonoiseinterference,amethodcombiningadaptivewindowwithimprovedCensustransformisproposed．Thesizeofthetransformwindowisselectedadaptively,thenoisetoleranceparameterisintroducedintotheCensustransformtocalculatethecost,andtheimprovedCensuscostandRGBcolordifferencecostareweightedandfused．Then,thefour-pathcostaggregationstrategyisadoptedtocompletetheinitialcostaggregation．Finally,theWTAalgorithmisusedtocalculatetheinitialdisparity,andthefinaldisparityisobtainedthroughpost-processingoptimization．Theexperimentalresultsshowthattheproposedalgorithmhaslowmismatchingrateandbetteranti-noiseperformance．Keywords:visualinspection;stereomatching;adaptivewindow;Censustransformation;costfusion0引言立体匹配一直以来是三维视觉检测技术的研究重点，立体匹配可分为局...
