How can I display a complex image matrix in Matlab?

Hi, I have two complex image matrices of size 1001 x 1001 and I want to display them in Matlab. I tried using the image() and imshow() commands and using the abs, fft and real commands to be able to display them but I keep getting errors. Can somebody help me how can I do this?

Answer 1

[KSSV]

You can separate the real part and imaginary part using real, imag respectively.

clear all
N = 1001 ;
I = rand(N,N,3) + 1i*rand(N,N,3) ;   % some complex random data
image(real(I)) ;  % real parts
image(imag(I)) ;  % imaginary parts
image(abs(I)) ;  % absolute

[Agustin]

I tried this example and I get an error with image(abs(I)); The Error message is as follows: Error using image TrueColor CData contains element out of range 0.0 <= value <= 1.0

I also tried it with my image and what I get is a blue image and I don't see the targets that I measured on the radar.

Answer 2

[ali alizadeh]

Hi dear

try this!

clear all
N=1001

N = 1001

I=rand(N,N,3)+1i*rand(N,N,3);
imshow(I,[])

Warning: Displaying real part of complex input.

Answer 3

[John]

AFAIK there's no native support for a pseudo-complex colormap, so I implemented it, here. Usage is simple:

x = randn(100, 100) + i*randn(100, 100);
imagesc(colorize_complex(x));

Applied example (see link for code):