how to convert .mat file to .h5 file

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XING LIU
XING LIU 2017-4-8
编辑： Manish 2024-10-17
I have a dateset which is saved as .mat files. Now I have to transfer them into .h5 format,but I am a starter and I don't have any experience before,so anyone knows about it and answers me would help me a lot,thanks.

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回答（1 个）

Manish
Manish 2024-10-17
编辑：Manish 2024-10-17
Hi,
I understand you want to convert the .mat file to .h5 file.To convert a .mat file to an .h5 file, use the ‘h5create’ function to create the HDF5 file and the ‘h5write’ function to write the data from the .mat file into HDF5 format.
Here is the sample code:
data = load(matFileName);
h5FileName = 'data.h5';
% Loop through each variable in the .mat file
fields = fieldnames(data);
for i = 1:length(fields)
fieldName = fields{i};
fieldData = data.(fieldName);
% Define the dataset path in the .h5 file
datasetPath = ['/' fieldName];
if ischar(fieldData)
% Handle strings: convert to uint8 (ASCII values)
fieldData = uint8(fieldData);
h5create(h5FileName, datasetPath, size(fieldData), 'Datatype', 'uint8');
else
% Create the dataset in the .h5 file
h5create(h5FileName, datasetPath, size(fieldData));
end
h5write(h5FileName, datasetPath, fieldData);
disp(['Converted and wrote variable "', fieldName, '" to ', h5FileName]);
end
Here is the documentation link for ‘h5write’ and ‘h5create’:
Hope this helps!

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