Figure 2.
The average spectra with standard deviation (SD): visible/near-infrared (Vis-NIR) hyperspectral images of spinach leaves stored at (a) 4 °C and (b) 20 °C; NIR hyperspectral images of spinach leaves stored at (c) 4 °C and (d) 20 °C.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.