Engineers teach machines to recognize tree species
It's hard enough for humans to teach other humans how to identify a large number of plants. Just imagine how difficult it would be to teach computers to reliably recognize them.
[url]Engineers from Caltech have developed a method that uses data from satellite and street-level images, such as the ones that you can see in Google maps, to create automatically an inventory of street trees that cities may use to better manage urban forests.[/url]
LINK: http://phys.org/news/2016-09-machines-tree-species.html