Periodogram and Image Processing

1 Ansicht (letzte 30 Tage)
Kosai
Kosai am 7 Feb. 2012
Hello all, How can i calculate and extract the periodogram for a Gray-Image(MxN) and then plot it ?

Akzeptierte Antwort

Wayne King
Wayne King am 7 Feb. 2012
xdft=fft2(x);
xdft=xdft.*conj(xdft);
xdft=xdft/(size(x,1)*size(x,2));
xdft=fftshift(xdft);
surf(xdft);

Weitere Antworten (0)

Kategorien

Mehr zu Image Processing Toolbox finden Sie in Help Center und File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by