These couple slides are great examples explaining how the sum of frequency works.
xudongw
I think one of the reasons that lossy compression formats (jpg, mp3) work is that they remove higher frequency info that is barely perceptible by human sensors (eyes, ears)
These couple slides are great examples explaining how the sum of frequency works.
I think one of the reasons that lossy compression formats (jpg, mp3) work is that they remove higher frequency info that is barely perceptible by human sensors (eyes, ears)