资源描述：
《the reading of virtual maps without vision》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、GunnarJanssonisaPh.D.inpsychologyatUppsalaUniversity,Uppsala,Sweden,1969.Differentpositionsatthisuniversity,includingAssociateprofessor,1957-1997.Formallyretiredsince1997,butcontinuingresearchwithinseveralEuropeanUnionprojects,mainlyonhapticperceptionandtechnicalaidsforthevisuallyimpaired.THEREA
2、DINGOFVIRTUALMAPSWITHOUTVISIONGunnarJanssonandImreJuhaszDepartmentofPsychology,UppsalaUniversity,Uppsala,Swedengunnar.jansson@psyk.uu.se,imre.juhasz@psyk.uu.seAbstractTherearewaysavailabletomakevirtualmapsreadableforpeoplewithvisionproblems.Theaimofthispaperistodiscusspossibilitiesandproblemsoft
3、woalternativesforreadingvirtualmaps:(1)ahapticmouseand(2)anembossedmapplacedonatouchpad.Forbothoptionstactile,aswellaskinaestheticandauditoryinformation,isprovided.ExperimentsontheusefulnessforthetaskoffindingaseriesofUSAstateswereperformed,andtheydemonstratedthattheadditionoftactileinformation,
4、initsrespectivestandardform,didnotmeananyoronlylittleimprovementoverkinaestheticandauditoryinformationalone.Infurtherexperimentspossibleimprovementsofthetactileinformationwerecompared.Itwasfoundthatthetactileinformationforthehapticmouse(theVTPlayer)couldbeimprovedbychangesinthesoftwarerenderingt
5、hevirtualmaps.Theproblemswiththeuseofacomputermousewithoutvisualfeedback,probablyduetodissimilaritiesbetweenthemovementswithwhichtheusermovedthemouseandthemotionsofthecursorinthevirtualscenecanbereducedbymakingthetwomotionsmoresimilar.Continuedexperimentsonthetactileinformationfortheembossedmapo
6、natouchpad(theViewPlusequipment)concernedcomparisonsbetweenformsproducedbytheViewPlusembossmentprinterandformsobtainedbyatraditionalmethodwithhigherspatialresolution(swellpaper).Further,thediscriminabilityoftexturesproducedbythe11embossmentprinterwasinvestigated.Atendencyforimprovementwiththeswe
7、llpapermethodwasobtained.Theconclusionsarethatbothalternativeshavepotentialsasaidsforvisuallyimpairedpeople'sreadingofvirtualmaps,butthattheycanbeimprovedbychangesinthetactileinformationtheyprovide.IntroductionTactile(emboss
