double matrix to image conversion
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i have a double matrix i have to convert it to an image
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Antworten (2)
Cris LaPierre
am 31 Jan. 2020
How are you trying to view the image?
I suspect you need to use uint8 to first convert your doubles to a value between 0 and 255. See here.
Subhadeep Koley
am 1 Feb. 2020
Hi, try the code below
% Rescale your matrix in 0-255 range
rescaledMatrix = rescale(yourDoubleMatrix, 0, 255);
% Typecasted to uint8
rescaledMatrix = uint8(rescaledMatrix);
% Display your image
figure; imshow(rescaledMatrix, []);
This might help!
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Subhadeep Koley
am 1 Feb. 2020
The "q" is generated from "c1" by your algorithm only. Therefore it is not possible for me to comment on how this can be solved.
The code for the 3D scatter plot is below.
close all; clear all;
load q.mat;
r = q(:,:,1);
g = q(:,:,2);
b = q(:,:,3);
plot3(r(:),g(:),b(:),'.');
grid on; box on;
xlabel('Red Channel');
ylabel('Green Channel');
zlabel('Blue Channel');
title('Scatterplot of the Visible Bands');
Siehe auch
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