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Increase Agricultural Efficiencies
Using Airbus DS Satellite Imagery in
ENVI
Sky Rubin
21 July 2015
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Speaker Info
Joseph Peters
Technical Solutions Engineer
Harris Corporation
Email: [email protected]
Sky Rubin
Sales Manager
Airbus Defense and Space, Geo-
Intelligence
Email: [email protected]
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Airbus Defence and Space Geo-Intelligence
• Optical & Radar
Satellite Constellations
• Multi-Resolution
Sensors
• Premium Reactivity
• Reliable Tasking
Services
• Fresh & Extensive
Archive
Satellite Imagery
• SPOTMaps
• Radar Mosaics
• GEO Elevation
• WorldDEM™
• Value-Added
Datasets – global
and local
Mosaics & DEMs
• Monitoring &
Surveillance
• Data Management
Services
• Cloud Services
• Direct Receiving
Stations
• Advanced Image
Processing
Geospatial Solutions
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The ENVI Solution Stack
The latest tools for analyzing all kinds of geospatial imagery and data, including SAR, LiDAR, Multispectral and Hyperspectral Imagery.
Customize ENVI products to your unique needs Visualize and analyze scientific data
Providing solutions to the most unique and complex technological issues
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Big Picture – Sharp Details
Airbus DS Geo Constellation
• 50cm to 22m EO resolution.
• Play with Scales and Optimize your budget.
– DMC (22m)
– SPOT 6/7 (50cm/2m)
– Pleiades (1.5m/6m)
SPOT 6/7 Collections 6/25 – 6/26 2015
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Fitting Spatial Resolution to Project S
PO
T 6
PC
A R
ota
tion - 2
m
Plé
iades C
IR –
0.5
m
Deim
os C
IR –
22m
Regional
Local
Per Field
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Comparison of Pléiades and SPOT Spatial Resolutions
SPOT 6 Pan-Sharpened (1.5m)
SPOT 6 Multispectral (6m) Pléiades Multispectral (2m)
Pléiades Pan-Sharpened (0.5m)
Pléiades Multispectral Zoom
Pléiades Pan-Sharpened Zoom
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Batch Pre-Processing in ENVI
• Orthorectification - necessary if
purchasing Primary product
• Radiometric Calibration – apply
sensor gain and offset values to
imagery
• Atmospheric Correction – remove
effects of atmosphere on
reflectance values
• Pan Sharpening
• Image-to-Image Registration
• Seamless Mosaicking
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Batch Processing of Spectral Indices
• Spectral Indices are combinations
of surface reflectance at two or
more wavelengths that indicate
the relative abundance of features
of interest
• Vegetation indices are the most
popular, but other indices are
available for burned areas, built-
up features, water, geology, etc…
• ENVI can automatically compute
up to 64 indices, depending on
the spectral resolution of the
imagery
• Desktop or Cloud environments
Pléiades (0.5m) OSAVI SPOT 6 NDVI
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Monitoring Crop Health Throughout Growing Season
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Optimized Soil Vegetation Index (OSAVI) Through Time
No Veg Moderate Veg High Veg
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Time Series Analysis - Digging in on OSAVI • Rapid revisit times of Airbus DS
satellites enable crop monitoring
for individual fields throughout a
growing season
• Spectral indices (in this example
OSAVI) can be used to increase
granularity of vegetation health
and determine vegetation health
for any given location throughout
a growth cycle
• Avoid crop loss by identifying
areas at risk of pests or in need of
additional management
No Veg Moderate Veg High Veg
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Analysis Complete, Now What?
Export to Geospatial PDF
• Export analysis results directly to
ArcMap
• Mark up analysis results with
annotation tools in ENVI
• Chip View to File, PowerPoint,
Geospatial PDF, or Google Earth
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Case Study – Central Valley, California
• Use of high resolution imagery (Pléiades) to monitor crop growth across seasons
• Inclusion of ancillary data to provide geographic context
• Determine what crops are growing in individual fields
• Quantify difference in crop health from one season to the next
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Ancillary Data - CropScape
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Crop Types near Chowchilla, California (Central Valley)
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Chowchilla Crop Health, August 10, 2013
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Chowchilla Crop Health, August 10, 2014
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Chowchilla Crop Health
August 10, 2013 vs. August 10, 2014
Alfalfa Almonds Corn
2013
2013
2013
2014
2014
2014
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Coming Soon to ENVI
• Photogrammetry Module
will allow users to
generate a point cloud
from stereo pair and tri-
stereo imagery
• Support for SPOT and
Pléiades sensors
• Point cloud can be further
processed in ENVI LiDAR
to generate highly
accurate DEMs and DSMs
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2014 U.S. Crop Season Project Overview
Contract: Airbus DS to deliver Moderate Resolution Satellite Imagery using
Deimos-1 & UK-DMC2 for the United States (lower 48) during the 2014 Crop
Season.
Objective: Provide client with 1 complete coverage of the U.S. every 2 weeks
over the 2014 crop season.
Delivery:
• A total of 1,621 images were acquired over the entire crop season
o Delivered cloud-free data over 95% of crop area per month
o Averaged >91% cloud-free data over the whole crop season
• Average deliver time over the whole project was less than 41 hours
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Deimos-1 & UK-DMCii Satellite Overview
The Solution: Deimos-1 & DMC2 wide
swath (640km) combined with data
download at each orbit assures a high
revisit frequency for any given point on
Earth.
• Both satellites offer 22m resolution
with 3-Bands (Red, Green, NIR)
which align closely to Bands 2, 3,
and 4 on Landsat 7
• Complete coverage of the lower 48
states every 2 weeks
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22m Collection Results: Bi-monthly Coverage (August)
Campaign #2: May 1-15
Aug 1-15 2014
Aug 16-31 2014
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Collection Results Overview: Coverage Frequency
• 79% of the region was imaged between 16 and 27 times
• Some zones (around Texas) were imaged an excess of 35 times
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Where and When I Need Data
Satellite Tasking (New Collections) with 95%+
commercial capacity
•New Collections
–Reliable Collection Patterns
–Managed by a team of experts in the US.
–Rapid Delivery
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Intensive AG Monitoring
Custom Monitoring Services (US and
International AG Programs)
•Airbus DS Geo can monitor on a daily/ weekly / monthly
basis focused on your crop intelligence needs.
•Does your AgriBusiness need reliable and consistent data
across multiple states?
•Crop Disasters (Instant Tasking is available)
•Radar
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Thank you! Questions?
Joe Peters
Solutions Engineer II
Harris Corporation
Sky Rubin
Sales, Geo-Intelligence
Airbus Defence and Space
T 970-212-2300
M 303-720-1726
F 703-715-3146
www.geo-airbusds.com
T 303-413-3960
M 909-557-3220
F 303-786-9909
www.exelisvis.com