| 000 | 02414nam a22001937a 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 005 | 20220107122851.0 | ||
| 008 | 190628b xxu||||| |||| 00| 0 eng d | ||
| 040 | _cIIITMK | ||
| 100 |
_aGopika P (92317011) _915983 |
||
| 245 | _aAutomated shoreline detection and short term shoreline change analysis from video imagery | ||
| 300 | _aMSC GIS 2017-2019 | ||
| 500 | _aCoastalmonitoringisthemostemployedmethodwhichisbeingused to understandthemechanismswhichcontrolsbeachevolutions.Amongthe enormousmethodsofoceanmonitoringlikebeachcampaigns,aerialimagery monitoring,satelliteremotesensingandotherGIStechniques,oneadvanced andmoreaccuratemethodofcoastalmonitoringinvolvesvideomonitoring techniques.Thisisonetechniquewhichsbeingdevelopedoveradecadeand stillgettingmuchpopularityallovertheworldasitallowsthestudyof coastalenvironmentinacontinuativeandautomaticway.Sothiscanbeused formonitoringnearshore processesin bothhightemporaland spatial samplingfrequency,withlowlogisticandcostefforts.Oncomparingwithall theothermethods,itismorepreciseandaccurate,asitcanbedeployedover lowcost,anditprovidesmorerealtimedatawithoutanytimeconsumption. Climaticandseasonalvariationsoverthenearshoreregioncanbeeasily obtainedandanalyzed overalarge areaofthecoastlineevenly.Many parametersofinterestwhichcanbestudiedinrealtimewiththistechnique ,whichincludesevolutionoftheshorelineandsubmergedbars,wavedirection, stormimpactandseasonalchanges. Thepurposeofthisstudyincludesextractionofshorelineandanalyzingits changesovertimebyusingthevideoremotesensingtechniques.Shoreline whichisthe zoneofcontactbetweenthebodyofwaterandland,whichisan interfacewhichchangesovertimeduetovariousbiological,physical,chemical anddynamicalmethods.Extractingtheshorelineandanalyzingitsvariations over aregulartimeperiodcanbeusedtounderstandtherateofcoastal erosionsthathappenedduetovariouscauses,bothnaturalandunderhuman interventions.Theentirestudyisconductedbyusingtimeximageswhichare obtainedfromvideoimagery.Forprocessing,extractingandanalyzingthereal timedataMatlabisused.Herethesnapshotsfrom videodataatatime scheduleof10minutes,inwhichthefrequencyofthevideodataisreducedto 2Hztounderstandthealongshoreandoffshoremorphologicalchanges. | ||
| 502 |
_bMSC GIS _c2017-2019 _dINT _eRadhakrishnan T |
||
| 650 |
_aVIDEO REMOTE SENSING _915984 |
||
| 650 |
_aSHORELINE _915985 |
||
| 650 |
_aVIDEO MONITORING TECHNIQUES _915986 |
||
| 942 |
_2ddc _cPR |
||
| 999 |
_c6527 _d6527 |
||