Gene Heskett wrote: > Do we have such a critter that can analyze the output of a v4l2 camera, > and give an amplitude at bandwidth histogram? > ....
The python numpy module provides a variety of fft functions .... https://docs.scipy.org/doc/numpy-1.13.0/reference/routines.fft.html https://docs.scipy.org/doc/numpy-1.13.0/reference/generated/numpy.fft.fft.html These functions might be applicable if you know the image format returned by your camera .... -- Stanley C. Kitching Human Being Phoenix, Arizona