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How to extract multispectral data using hypercube in matlab?

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Devendra
Devendra 2024-3-27
回答： Manasa Singam 2024-3-27
Now I am using hypercube function as follows
img = hypercube(img_file.name);
red = img(:,:,2); % red band
rededge1 = img(:,:,3); % rededge1 band
rededge2 = img(:,:,4); % rededge2 band
rededge3 = img(:,:,5); % rededge3 band
nir = img(:,:,6); % near infrared band
it still gives following errors.
>> ds_indices_caf
img_path = 'C:\Data\'
20240129_MAWANA_SUBSET.img
hypercube with properties:
DataCube: "[3915x3677x7 uint16]"
Wavelength: [7×1 double]
Metadata: [1×1 struct]
Index in position 3 exceeds array bounds. Index must not exceed 1.
Error in ds_indices_caf (line 25)
red = img(:,:,2); % red band
I would really appreciate the kind cooperation in helping me out to fix this error.
Dave

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采纳的回答

Manasa Singam
Manasa Singam 2024-3-27
Here the variable "img" is hypercube object. The data is present in DataCube property.
Access the data using this command: red = img.DataCube(:,:,2);

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