Course: Remote Sensing – Basic Theory & Image Processing ...drm.cenn.org/Trainings/Remote...
Transcript of Course: Remote Sensing – Basic Theory & Image Processing ...drm.cenn.org/Trainings/Remote...
1
Course: Remote Sensing – Basic Theory & Image Processing Methods19 - 23 September 2011
I d i ERDAS I iIntroduction to ERDAS Imagine
Michiel Damen
UNIVERSITY of TWENTE - Michiel Damen
2
Introduction ERDAS Imagine
• About ERDAS Imagine
Contents
• About ERDAS Imagine • ERDAS Product suite• Imagine Startup• Viewer View of multiple layers• Viewer - View of multiple layers• Setting of preferences• Import / Export
E l • Examples: Filter, Geometric correction, Mosaicing, Map composer, Image classification, Spatial modeler, Stereo analyst,
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 2
Virtual GIS• HELP ! function
3
Introduction ERDAS Imagine
Pi i PC b d i i (1978)
About ERDAS
• Pioneer in PC-based image processing (1978)
• One of the leading providers of Geographic Imaging products & servicesp
• Headquarter Atlanta, Georgia, USA• http://www.gis.leica-geosystems.com/
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 3
4
Introduction ERDAS Imagine
F i i d i f ti
About ERDAS
• Focus on image processing and information
extraction; aerial and space
• Raster based analysis• Raster based analysis
• Increasing integration of GIS functionality
• Close links with the ArcGIS suite of ESRI• Close links with the ArcGIS suite of ESRI
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 4
5
Introduction ERDAS Imagine
ERDAS Product Suite
• Imagine Essentials
• Add-on modules (a.o. Virtual GIS, Vector Module)
Ph i A li i (O h BASE S• Photogrammetric Applications (OrthoBASE, Stereo-Analyst)
• Radar Applications
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 5
• Radar Applications
6
Introduction ERDAS Imagine
ERDAS Interfaces
Classical
Windows 2010Windows 2010
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 6
7
Introduction ERDAS Imagine
Imagine startup (Classic interface)
ViewerViewer
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 7
8
Introduction ERDAS Imagine
Most common data types
Viewer yp
have a pull-down menu
fMost common functions have short cuts and an icon
9
Introduction ERDAS Imagine
Viewer
Viewer -> File -> Open -> Raster Layer . . . (Ctrl-R)
Use Recent or Goto Use Recent . . . or Goto . . to use recent files or go to recent subdirectoriessubdirectories
Change preferences for default file locations and viewer preferences if you wish
10
Introduction ERDAS Imagine
View multiple layersSharing the same co-gordinates and projection
Viewer -> View -> Arrange lLayers (Ctrl-L)
11
Introduction ERDAS Imagine
Preferences
It’s useful here to specify the folder that contains the exercise data (and to the exercise data (and to which you have writing access)
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 11
12
Introduction ERDAS Imagine
Import / Export
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 12
13
Introduction ERDAS Imagine
Example: filter
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 13
14
Introduction ERDAS Imagine
Example : Geometric correction tool
Chip extraction
15
Introduction ERDAS Imagine
Example : Mosaicing tool
16
Introduction ERDAS Imagine
Mosaic output
17
Introduction ERDAS Imagine
Map composer
Map Frame tool
18
Introduction ERDAS Imagine
Map composer
Map Grid tool Map Output
19
Introduction ERDAS Imagine
Classification
20
Introduction ERDAS Imagine
Spatial Modeler
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 20
21
Introduction ERDAS Imagine
Stereo Analyst
Creation of anaglyphCreation of anaglyphred <–> green/blue
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 21
22
Introduction ERDAS Imagine
Virtual GIS“ 3D” images 3D images
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 22
23
Introduction ERDAS Imagine
C t t iti H l
Help !
•Context sensitive Help menu:
• pull down menu
• right-mouse button over a windowg
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 23
24
Introduction ERDAS Imagine
Documentation
Both Guides are available in PFD at the data CD
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 24
25
Introduction ERDAS Imagine
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 25
26
Introduction ERDAS Imagine
QuestionsQuestions
ITC – FACULTY OF GEO-INFORMATION SCIENCE AND EARTH OBSERVATION, UNIV. OF TWENTE 26