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.
Temporal evolution of the signals from individual cameras. (a) First PCs calculated from each camera, and (b) spatially averaged signals over the selected ROIs. Yellow, magenta, blue, and brown colors correspond to the signals from cameras aimed on radial, ulnar, palmar and dorsal sides of the forearm, respectively.
