Vision based guidance for robot navigation in agriculture
English, Andrew, Ross, Patrick, Ball, David, & Corke, Peter (2014) Vision based guidance for robot navigation in agriculture. In Proceedings of the 2014 IEEE International Conference on Robotics & Automation (ICRA), IEEE, Hong Kong, China, pp. 1693-1698.
This paper describes a novel vision based texture tracking method to guide autonomous vehicles in agricultural fields where the crop rows are challenging to detect. Existing methods require sufficient visual difference between the crop and soil for segmentation, or explicit knowledge of the structure of the crop rows. This method works by extracting and tracking the direction and lateral offset of the dominant parallel texture in a simulated overhead view of the scene and hence abstracts away crop-specific details such as colour, spacing and periodicity. The results demonstrate that the method is able to track crop rows across fields with extremely varied appearance during day and night. We demonstrate this method can autonomously guide a robot along the crop rows.
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