Fig. 2
From: Image analysis for the automatic phenotyping of Orobanche cumana tubercles on sunflower roots
Raspberry Pi/picamera image acquisition setup. a Bottom view of Raspberry Pi/picamera (double arrowhead) plugged into the Raspberry computer; the whole set up in a box. b Dedicated image acquisition setup of an O. cumana-inoculated sunflower root system in a rhizotron using a Raspberry Pi computer protected in a box (black arrowhead), a Raspberry Pi/picamera facing the rhizotron (double arrowhead), connected to a screen, keyboard and mouse. A laboratory lift support (arrow) allows easy focus and field view adjustment for imaging. c A picamera image of a rhizotron after 3Â weeks, with a ruler on the left for scale adjustment