%0 Journal Article
%T 基于RISC
%J 北京理工大学学报
%D 1999
%X 　Aim　Tostudyareal-timetrafficflowmeasurementsystemprovidingnecessarystatisticsoftrafficflowparametersfortrafficdepartmentsthroughmeasuringvehiclenumber,velocityandothertrafficparameters.MethodsThereal-timetrafficflowmeasurementwasprocessedthroughimagedifferencemethod.Becauseofitscapabilityfordataprocessingathighspeed,theRISC(reducedinstructionsetcomputer)wasusedtocarryoutreal-timeandpracticalresearchonthewholesystem.ResultsExperimentdevicesofreal-timetrafficflowmeasurementwasdevelopedandthepracticalalgorithmofimageprocessingwasdesignedanddebugged.ConclusionInpracticaltrafficflowmeasurement,theprecisionofmeasuringvehiclenumberisover95%.Thesystemworkrobustlyundervariousconditions,itcanautomaticallycopewiththegradualandsuddenchangesoftheenvironmentlight.
%K 交通流
%K 图像处理
%K 图像差分方法
%U http://journal.bit.edu.cn/zr/ch/reader/view_abstract.aspx?file_no=19990368&flag=1