How to create RGB image with 3 bands from hyperspectral image?
Hi, I have a Hyperion EO-1 satellite image and i want to create an RGB band with band numbers (40,31,13) as (R,G,B). The hyperion image has 242 bands. But I’m having trouble opening the L1R file properly.
I am using Matlab 2011, and 2014 hyperion image. I load the image with hdfinfo and hdfread commands like this;
hdfinfo('EO1H1930282003203110PY.L1R');
fileinfo = hdfinfo('EO1H1930282003203110PY.L1R');
sds_info = fileinfo.SDS(1);
hdfread(sds_info);
ans=imhdf;But this loads a matrix [3128,242,256] , although it should be [3128,256,242] how can i fix this?
After loading the image as 3D matrix i try to create the RGB image with selecte 3 bands as shown below it creates [3128,3,256] matrix but I cant use imwrite, imshow or any other displaying functions on it.
imrgb [:,1,:] = imhdf [:,40,:];
imrgb [:,2,:] = imhdf [:,31,:];
imrgb [:,3,:] = imhdf [:,13,:];image(imrgb);
Error using image
Error using image
Indexed CData must be size [MxN], TrueColor CData must be
size [MxNx3]NOTE:-
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You can use the hypercube(__) function to read Hyperion EO-1 L1R files and also the colorize(__) method will help you to estimate color image of the Hyperion EO-1 L1R image.
% Read the L1R image (specify your L1R file name here)
hCube = hypercube('EO1H1930282003203110PY.L1R');% Estimate the RGB image
rgbImg = colorize(hCube, 'method', 'rgb', 'ContrastStretching', true);% Visualize the RGB image
figure
imshow(rgbImg)
title('RGB image')
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