1. Presented by Charlotte Wyatt
Adv. Dip. Geographic Sciences: Remote Sensing
Centre of Geographic Sciences
Precision Viticulture: Research & Development of
the GPS Module Onboard the Aqweo
3. SkySquirrel develop precision viticulture drones with the intent
to lower costs and improve crop yield at commercial vineyards.
4. The DroneFuse imaging sensor is calibrated to
produce NDVI and EVI imagery.
Grape producers can have crop loss up to 5-8%.
Multispectral images can assess plant health
and detect irregularities such as nutrient and
water deficiencies as well as the identification
of diseases, weeds, or insects.
5. Project Direction
1)What positional data does the Aqweo output? Is this data sufficient?
1)Which GPS correction method will work best for SkySquirrel?
1)What steps are required for processing the GPS data?
1)What software is available for these tasks?
6. What positional data does the Aqweo output?
ublox Lea-6T module with precision timing
•AQ Ground Control is used to visualize
collected data
•Software outputs selected data to LOG
file
7. Which GPS correction method will work best for SkySquirrel?
Wish List:
•Post-processed solution so company can
include GPS correction in product bundle
•Open-sourced software compatibility
•Global applicability
Differential
GPS
Precise Point Positioning
8. What software is available for these tasks?
RTKLib
•Q Ground Control is used to visualise and
output suitable LOG file of survey area
•RTKLib is an open-sourced program
package for standard and precise
positioning with GNSS
•Agisoft uses corrected camera locations
and GCPs to reference the orthomosaic
9. What steps are required for processing GPS data?
LOG file
Correction data
Corrected
positional data
25. Further Research
•Shadow and cloud removal
•Develop automated data compilation process for raw LOG file
•Further investigation of image enhancements/analysis
