8/10/2019 ENVI Para Extraer Imagenes Satelitales(18).Ppt

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UsandoENVIparaextraerelementos

importantesdesdeimgenessatelitalesy

datosLiDAR

CherieMulehCherie.Muleh@exelisis.!om

"hein#ormation!ontainedinthisdo!umentpertainstoso#t$areprodu!tsandseri!esthataresu%&e!ttothe!ontrolso#theExportAdministrationRegulations'EAR(."here!ipientisresponsi%le#orensuring!omplian!etoallappli!a%leU.).

ExportControlla$sandregulations.

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Considerationo#DataAaila%ilityandUsage

*eatureExtra!tionMethods

ApplyingMethodstoExtra!t+uilding*eatures*uture,rospe!ts#or+uilding*eatureExtra!tion

tingBuildingFeaturesfromLiDAR+Optica

a

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DataTypes

>Color-IRrthophotos

>Multi-/yperspe!tral

>LiDAR

>)AR

Platforms

>Aerial

>)pa!e%orne

>"errestrial

rospectsforfuturedata

>Commer!ialUAVs

bundanceofGeospatialDatafrom!ic!tactFeaturesand"nformation

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gRemotely$ensedDataasa$ourceforFea

ryisnot%ustabasemap&butasourceofric!informaeospatialanalystscanusetosol'ecomplexproblem

>,roidedataaaila%ilityoer%roadandina!!essi%leareas

>Improetimelinesso#dataa!0uisition

>,otentiallygreatera!!ura!y

>Automated#eatureextra!tion#orredu!tioninmanualdigiti1ation

>Adan!edgeospatialanalysisusingspe!tralimageproperties

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cting"nformationfromRemotely$ensed

Featuresof"nterest

>Vehi!les

>"ransportationNet$or2s

>)tru!tures

>Natural*eatures

>/umanA!tiity

Limitationsor

Opportunities&Gi'ent!eDataType

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NeedsforFeatureExtraction

> Increased availability of high-resolution images

> Manual digitization

> Semi-automated solution ishighly desired

Applications

> Defense and Security

> Transportation

> Urban planning and mapping

cting"nformationfromRemotely$ensed

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Ano%&e!tisaregiono#interest$ithspatial3spe!tral'%rightnessand!olor(3and-ortexture!hara!teristi!sthatde4netheregion

,ixelsaregroupedintoo%&e!ts3insteado#singlepixelanalysis

Mayproidein!reaseda!!ura!yanddetail#or!lassi4!ationpurposes

Object-BasedImageAnalysis

)!atisanob%ect*

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