MAHARJAN, SUJIT2022-01-122022-01-122017-04https://hdl.handle.net/20.500.14540/7305With the popularity of smartphones ,a lot of problem are being solved through the use mobile applications. One of the problem is road accidents which occurs due to mainly the poor condition of road.Withthepopularityofsmartphones,alotofproblemarebeingsolvedthroughtheuseof mobileapplications.Oneoftheproblemisroadaccidentswhichoccursduetomainlythe poorconditionofroad.Teauthoritiesneedtokeeptherecordabouttheconditionofthe roadstobeabletomaintaintheroadsingoodcondition.Mobilephonewithembedded powerfulsensorssuchasaccelerometers,gyroscopesetcmakeitverypowerfulsothis thesistriestoexploitthesesensorstodevelopasystemcapableofautomaticallydetecting thepotholesinrealtime.AlgorithmslikeZ-THRESH,Z-DIFF,STDEV(Z)andZ-ZEROare widelyusedtodetectpotholesinrealtimebuttheyhaveveryhighfalsepositiveresult whenusedindividuallywiththresholdvalueskeptconstant.Inthisthesis,thethreshold valuesaremadedynamicandittakesthevalueasafunctionofspeed.Also,thepot- holesaredetectedbasedonresultofallfouralgorithms.Teusersonlyneedtoenable theapplicationwhiledrivingandallthedataaresenttotheserverandthepotholesare mappedinwebintherealtime.Tesystemdevelopedisevaluatedusingdataobtained fromcrawdad.orgdatasetandalsoverifedonthedatasetgeneratedthroughandroidap- plicationwhichshowbeterresultthanpreviouswork.enPotholeRoadMonitorG-ZERO,,Z-THRESHThesis