Re: Need an fft hystogram of a cameras output

[Cousin Stanley <cousinstanley@gmail.com>]

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