Crop Monitoring Using Small Unmanned Aircraft Systems
description
Transcript of Crop Monitoring Using Small Unmanned Aircraft Systems
![Page 1: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/1.jpg)
Crop Monitoring Using Small Unmanned Aircraft Systems
By Jeremy R. Smith
University of North DakotaApril 30, 2012
![Page 2: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/2.jpg)
CropCam
![Page 3: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/3.jpg)
CropCam
CropCam Specifications
Length 4 feet
Wing Span 8 feet
Weight 6 pounds
Engine Axi Brushless
Duration 20-35 minutes
Batteries 4 L-Polymer
Surfaces Rudder, elevator and ailerons
Average Speed 60 km/h
Maximum Winds 30 km/h
![Page 4: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/4.jpg)
Remote Sensing for Agriculture
![Page 5: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/5.jpg)
Satellite
• Expensive• Temporal
Resolution16 days
• Cloud Cover• Delayed
Data• No Choice
› Resolutions
› File formats
UAS
• Power in farmer’s hands•Date•Height•Resolution•Location
• Near-real time data
• Data Center
Satellite vs. UAS for Agriculture
![Page 6: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/6.jpg)
Satellite Data• Six images• June 2011 – Sept
2011• Only 1 suitable image• July 30, 2011AEROCam Data
• 3 dates requested• Two days• Only one at Flying-
S• 15 Aug 2011
CropCam Data• 6 flying days• Sept 10 – Sept
11• 400, 600, 800,
1,000ft AGL
Data Acquisition
![Page 7: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/7.jpg)
600 ft. AGL
Approx: 4 Acres
800 ft. AGL
Approx: 8 Acres
1,000 ft. AGL
Approx: 14 Acres
400 ft. AGL
Approx: 2.5
Acres
Lowest Altitude
• 400ft AGL• Quarter section• Cover pass
required• Weave pattern
required• 1,000ft AGL• Half section• No cover pass
required• Weave pattern not
required
![Page 8: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/8.jpg)
+ + + +
+ + + +
=
Image Mosaic
![Page 9: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/9.jpg)
Quarter Section
![Page 10: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/10.jpg)
Half Section
![Page 11: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/11.jpg)
Spatial Resolution
![Page 12: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/12.jpg)
Image Comparison• Landsat• 30m• 0.22 acres per
pixel• Acre = five pixels
• AEROCam• 1m• 0.00025 acres per
pixel• Acre = 4,000
pixels• CropCam• 20 cm• 0.0000099 acres• Acre = 101,010
pixels
![Page 13: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/13.jpg)
Water Damage Comparison
• Landsat• Undistinguishable
• AEROCam• Water damage is
clearly visible• Spots of low
productivity• CropCam• Water damage is
clearly visible• Spots of low
productivity• Issue with machinery
![Page 14: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/14.jpg)
Water Damage Comparison
![Page 15: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/15.jpg)
High Resolution
![Page 16: Crop Monitoring Using Small Unmanned Aircraft Systems](https://reader035.fdocuments.net/reader035/viewer/2022062301/568161bd550346895dd19ce0/html5/thumbnails/16.jpg)
Questions?