Ground control point extraction from planting data
The present subject matter provides a technical solution for various technical problems associated with precision agriculture imagery. One solution to improving precision agriculture imagery includes identification and use of ground control points. A ground control point may include the association of a visible feature in an image of an agricultural field with a geospatial coordinate. A ground control point may be used as a common reference point between two aerial images, thereby improving alignment between the two images during stitching. The ground control points may be generated using planting prescription data or as-planted data, which may include one or more intentionally unplanted regions within an agricultural filed. Multiple aerial images may be stitched together using these ground control points to generate a precisely georeferenced output image, thereby improving the accuracy of the precision agriculture output image.
1. An image georeferencing system for extracting ground control points from planting data, the system comprising:
one or more processors;
a storage device comprising instructions, which when executed by the one or more processors, configure the one or more processors to:
receive one or more aerial images;
receive a plurality of planting data sets;
identify one or more ground control points based on the one or more aerial images and the plurality of planting data sets; and
generate a georeferenced image based on the one or more ground control points including identification of an opposite pass to remove an error offset between the plurality of planting data sets and a plurality of achieved planting locations.
2. The system of claim 1 , further including an image capture device to capture the one or more aerial images.
3. The system of claim 1 , further including an agricultural planting device to capture the plurality of planting data sets.
4. The system of claim 1 , wherein:
the planting data includes one or more planting data features; and
the identification of the one or more ground control points is based on the one or more planting data features.
5. The system of claim 1 , wherein the generation of the georeferenced image includes identification of one or more unplanted regions.
6. An image georeferencing method of extracting ground control points from planting data, the method comprising:
receiving one or more aerial images;
receiving a plurality of planting data sets;
identifying one or more ground control points based on the one or more aerial images and the plurality of planting data sets; and
generating a georeferenced image based on the one or more ground control points including identification of an opposite pass to remove an error offset between the plurality of planting data sets and a plurality of achieved planting locations.
7. The method of claim 6 , wherein:
the planting data includes one or more planting data features; and
the identification of the one or more ground control points is based on the one or more planting data features.
8. The method of claim 6 , wherein the generation of the georeferenced image includes identification of one or more unplanted regions.
9. A coordinate offset system comprising:
one or more processors;
a storage device comprising instructions, which when executed by the one or more processors, configure the one or more processors to:
access a calculated coordinate offset, the calculated coordinate offset based on a georeferenced reference image and a ground control point, the ground control point identified based on a plurality of planting data sets, the georeferenced reference image generated based on one or more aerial images; and
generate a shifted output based on the calculated coordinate offset and a georeferenced input image.
10. The system of claim 9 , further including an image capture device to capture the one or more aerial images.
11. The system of claim 9 , wherein the generation of the shifted output includes generating a shifted georeferenced image based on the calculated coordinate offset and the georeferenced input image.
12. The system of claim 9 , the processor further to generate an agricultural plan based on the georeferenced input image, wherein the generation of the shifted output includes generating a shifted agricultural plan based on the agricultural plan and the calculated coordinate offset.
13. The system of claim 9 , wherein the generation of the shifted output includes shifting a coordinate system of the georeferenced input image between a farm machinery coordinate reference system and a standard coordinate reference system.
14. The system of claim 9 , the processor further to receive image positioning metadata, wherein the generation of the generation of the georeferenced reference image is further based on the image positioning metadata.