简介:基本配置需求Windows-Pentiumil300Mhz以上-Windows98/2000/XP/ME/NT4.0(withSP3或更新的版本)-128MB内存-16位色显示(推荐24位色)
简介:Insteadoftraditionallyusinga3Dphysicalmodelwithmanycontrolpointsonit,acalibrationplatewithprintedchessgridandmovablealongitsnormaldirectionisimplementedtoprovidelargearea3DcontrolpointswithvariableZvalues.Experimentsshowthattheapproachpresentediseffectiveforreconstructing3Dcolorobjectsincomputervisionsystem.
简介:Itisaresearchsubjectincomputervisionto3Dreconstructionofanobjectrepresentedbyasingle2Dlinedrawing.Previousworkson3Dreconstructionfrom2Dlinedrawingsfocusonobjectswithlines,plane,view,andsoon.Thispapermainlystudiesthe3Dreconstructionfrom2Dlinedrawings.Besides,anewapproachisproposed:itisthatfortheresearchofthepointcoordinatesof2Dlinedrawings,soastoachievetheobjectreconstructionbythereconstructionofpointcoordinates.Thereconstructionprocessincludes:①thecollectionofpointcoordinates(X,Y)of2Dlinedrawings;②thederivationofmathematicalformulaaboutthereconstructionofthepointof2Dlinedrawings,andcalculatingthecorrespondingpointofthe3Dcoordinates;③theregenerationof3Dgraphicswith3Dpoints;④analyzeerrorbytheproportionalofparallelofaxonometricprojection,inordertoprovetheaccuracyofthemethod.