arcview ® image analysis kaushik chakraborty regional manager erdas europe, africa & middle...
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![Page 1: ArcView ® Image Analysis Kaushik Chakraborty Regional Manager ERDAS Europe, Africa & Middle East. ( and what’s new in 1.1 )](https://reader035.vdocument.in/reader035/viewer/2022062217/56649c925503460f9494dcb6/html5/thumbnails/1.jpg)
ArcView® Image Analysis
Kaushik ChakrabortyRegional Manager
ERDAS Europe, Africa & Middle East.
(and what’s new in 1.1)
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Why ERDAS?
• World’s Leader in Geographic Imaging• Over 30,000 ERDAS Users World-wide
Image Processing Mapping Applications
• ESRI and ERDAS Use Each Other’sData Models Vector and Raster
• Common Development Environment• Partners on Hundreds of Global Projects
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Image Analysis - Product Concept
• Geographic Imaging
• Simplicity
• Data access
• Key analysis functions
• Avenue customization
• Complete integration
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• Data Access Direct support for satellite formats
• Display & Visualisation Enhanced operation within ArcView
• Image enhancement tools• Georeferencing / Alignment• Spectral Analysis & Classification• Automated Change Detection• Automated feature extraction from imagery• Complete ArcView integration
What Does It Do . . ?
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• Direct read (DLL’s) • Image Analysis Data
Source ERDAS IMAGINE GRID GeoTIFF JPEG MrSID
• Importers
TM Landsat SPOT CIB
CADRG RPF IRS-1C/1D
Data Access
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Image Display• Fast image display
Supports IMAGINE pyramids
• Interactive tools Select bands Query pixel values Measure features
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• Contrast & Brightness adjustment• Sharpen• Smooth
Image Enhancement
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Image Alignment
• Georeferences imagery to Shape files
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Base Map Update - rapid & current
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Automatic Map Update
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Categorization
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Change Detection
Date 1
Date 2
Change Map
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Convert to Shape files
• Straight into ArcView!!• Fastest way to create land use coverages?
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Integration - Image Analysis Theme
• Fully integrated No new environment to learn
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What are its applications?
• Oil & Gas Exploration Geological Interpretation Pipeline monitoring
• Urban Planning Change Detection
• Environmental monitoring Pollution Control
• Fisheries & Agriculture• Defence
Border control Targeting
• Natural hazard mapping
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What’s New . . . ?
Provide access to new data types
Add flexibility for setting and managing user preferences
Provide additional data enhancement options
Subset data based on spectral or color band selection
Additional quality management capabilities with image geo-positioning
Mosaic data in a simple single-button operation
Stack images to visualize data from multiple image source files in a single theme
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Data Access and Preparation . . .
• Direct Read and Write ERDAS IMG, GRID, GeoTIFF/TIFF
• Direct Read JPEG, ERDAS LAN and GIS,
MrSID, BILBIL, BIPBIP, BSQBSQ,ERMapper, NITFNITF
• Importers Landsat, SPOT, DOQQ, IRS-1,
RPF, CIB, CADRG, Landsat 7Landsat 7,NLAPSNLAPS, RadarSatRadarSat, ERSERS
• Direct plug-ins use the sametechnology as ArcInfo 8 and IMAGINE
New for 1.1 in redred.
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Image Mosaicing . . .
• What you see,is what you get!
• Independent of Pixel Sizes
• InteractiveColor Balance
• Output specific areas andcookie cut data
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Additional Data Enhancement . . .
New Stretches
Infrared / Natural Colour Selection
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Subset . . .
• Combine Bands for Temporal Change Create a hybrid image from two different data types Combine multi resolution data
Layer Stack . . .
• Select one or more bands from a multi band image Remove unwanted layers Prepare data for mosaic
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WHY?
A processed image . . .A processed image . . .
… … or information?or information?
IMAGERY IS INFORMATION.
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Image Analysis
www.erdas.com