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.
Axis ratios for the distributions of chromaticities in natural scenes. (a) The mean axis ratios for five sets of hyperspectral images of visual scenes are shown by the gray bars, compared with a summary of the axis ratios from Experiments 1, 2, and 4 by the blue bars. Error bars are 95% confidence intervals. (b) Distribution of axis ratios for all hyperspectral images of visual scenes.
