%0 Journal Article %T 一种鲁棒的基于两个特征点的深度估计方法 %A 钟志光 %A 易建强 %A 赵冬斌 %J 自动化学报 %P 693-698 %D 2005 %X ?Thispaperpresentsanoveldepthestimationmethodbasedonfeaturepoints.Twopointsareselectedarbitrarilyfromanobjectandtheirdistanceinthespaceisassumedtobeknown.Theproposedtechniquecanestimatesimultaneouslytheirdepthsaccordingtotwoimagestakenbeforeandafteracameramovesandthemotionparametersofthecameramaybeunknown.Inaddition,thispaperanalyzesthewaystoenhancetheprecisionoftheestimateddepthsandpresentsafeaturepointimagecoordinatessearchalgorithmtoincreasetherobustnessoftheproposedmethod.Thesearchalgorithmcanfindautomaticallymoreaccurateimagecoordinatesofthefeaturepointsbasedontheirdetectedimagecoordinates.Experimentalresultsdemonstratetheefficiencyofthepresentedmethod. %K Depthestimation %K imagesequence %K motionvision %K mobilerobotnavigation %U http://www.aas.net.cn/CN/abstract/abstract15989.shtml