Plant Phenomics / 2019 / Article / Fig 1

Research Article

A High-Throughput Phenotyping System Using Machine Vision to Quantify Severity of Grapevine Powdery Mildew

Figure 1

Assembled system for image capture. A Nikon model D850 46 MP digital SLR camera and 60mm F/2.8 D Micro Autofocus lens (A) were suspended from an automated robotic Z-axis positioner (B) above a sample tray (C) carrying 1-cm leaf disk samples arrayed in a 22 by 15 matrix. The lens was stabilized by an accessory collar (D) that also bore the four white LEDs (E) that illuminated the samples. The tray was supported on an automated robotic stage (F) to provide movement in the X and Y planes.

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