Spatial segmentation for processing videos for farming automation
2021
Abstract A camera mounted on the front of a large agricultural machine captures a rich collection of visual data. Powerful cues about the upcoming field can be extracted through video processing. However, to access these cues requires methods to focus only on a specific region of the video frame, for example, the region containing the vehicle attachment or the upcoming field. To separate these different spatial regions in farming videos, this paper presents a spatial segmentation method using a rapidly-trained classifier. This classifier is trained on low-level hand-crafted features with limited data and can be easily adapted to different farming applications. We consider two applications here: classifying farming activities and automatic control to lift the header of a combine harvester. We demonstrate experimentally that the segmentation algorithm enables activity classification accuracy of 87%, as well as a prediction error of about 1.3 s on the correct time to lift the combine header.
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