Re: Need an fft hystogram of a cameras output

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

Need an fft hystogram of a cameras output

Greetings all; Do we have such a critter that can analyze the output of a v4l2 camera, and give an amplitude at bandwidth histogram? I need a way to establish the absolute best focal distance of a camera acting as machine vision, and which acts like about 4 to 5 cm is about right. What I want