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. 2017 Dec 17;17(12):2930. doi: 10.3390/s17122930

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Visualization of annotated image samples. Top row shows four samples with different clover contents. Bottom row shows crops of the images from the top row to illustrate the image resolution. The black pixels surrounding the image samples mark the border of the harvested samples. When the orientation of the camera does not align perfectly with the harvested patch, the image sample appears to be rotated. (a1) 5% clover; (b1) 20% clover; (c1) 50% clover; (d1) 70% clover; (a2) Annotated image patch of (a1); (b2) Annotated image patch of (b1); (c2) Annotated image patch of (c1); (d2) Annotated image patch of (d1).

Visualization of annotated image samples. Top row shows four samples with different clover contents. Bottom row shows crops of the images from the top row to illustrate the image resolution. The black pixels surrounding the image samples mark the border of the harvested samples. When the orientation of the camera does not align perfectly with the harvested patch, the image sample appears to be rotated. (a1) 5% clover; (b1) 20% clover; (c1) 50% clover; (d1) 70% clover; (a2) Annotated image patch of (a1); (b2) Annotated image patch of (b1); (c2) Annotated image patch of (c1); (d2) Annotated image patch of (d1).