New Data Knowledge Information - University of British Columbia · 2019. 1. 22. · Data....

Transcript of New Data Knowledge Information - University of British Columbia · 2019. 1. 22. · Data....

Data Knowledge Information

http://virginiaview.cnre.vt.edu/tutorial/Chapter_14_Radiometric%20Enhancement%20of%20Landsat%20Imagery.pdf

GEOMETRIC-TOPOGRAPHIC DISTORTIONS

Ortho satellite images

http://sylla-consult.de/en/screenshots-2/geodata-processing/ortho-rectification/http:/sylla-consult.de/en/screenshots-2/geodata-processing/ortho-rectification/

http://landsat.gsfc.nasa.gov/landsat-7/

http://earthobservatory.nasa.gov/Features/GlobalLandSurvey/page2.php

http://en.wikipedia.org/wiki/Landsat_7

SRTM (Shuttle Radar Topography Mission)

http://www.webalice.it/alper78/saga_mod/destriping/destriping.html

DNs DNs

Edge DetectionLakes & Streams

Edge DetectionFractures & Shoreline

Edge Detection of Fields

Topeka, Kansas: Color IR composite showing unstretched data

Topeka, Kansas: Color-IR composite showing linear contrast stretch with 2% saturation

https://www.e-education.psu.edu/natureofgeoinfo/c8_p16.html

IMAGE ENHANCEMENTS

http://www.tannerhelland.com/810/vb6-image-histograms-2/

A2D

• Unsupervised classification:

Pixels DN-based classes

Assign names to

classes

Named classes

Training sites

Classified image

Objects identified

Image segmented into blocks

Blocks assigned to

classes

http://www.clarklabs.org/products/Object-Oriented-Image-Segmentation-and-Classification.cfm

Image segmented into blocks

Objects identified

Blocks assigned to

classes

http://desktop.arcgis.com/en/arcmap/10.3/tools/spatial-analyst-toolbox/understanding-segmentation-and-classification.htm

Changes in rangelandaround Lethbridgefrom 1986 to 2009

http://www.imagingcenter.ca/rangeland.html

http://earthobservatory.nasa.gov/Features/GlobalLandSurvey/page1.php

New Data Knowledge Information - University of British Columbia · 2019. 1. 22. · Data....

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Transcript of New Data Knowledge Information - University of British Columbia · 2019. 1. 22. · Data....

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