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.
Boxplots (left; up-paraspinal case, bottom-brain case) showed the variation of the global noise index Versus the reconstruction kernel from smooth kernel to sharp kernel. Bar charts (right; up-paraspinal case, bottom-brain case) showed the sensitivity of the mean global noise index on the choice of ROI size. Subscript ‘g’ denotes the parameter calculated for GNIgrad; subscript ‘d’ denotes the parameter calculated for GNIdx.
