Conversion of HF File to mat File

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Humera Yasir 2020-4-29

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https://ww2.mathworks.cn/matlabcentral/answers/521597-conversion-of-hf-file-to-mat-file

回答： Deepak 2024-11-8，10:29

Hi.

I want to ask that i have downloaded a dataset of H5 file type. I want to convert this into mat file.How to do it?

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Walter Roberson 2020-4-29

See h5read() if you have a new enough MATLAB version.

Humera Yasir 2020-4-29

Thankyou!

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Answer 1

Deepak 2024-11-8，10:29

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Hi @Humera Yasir,

To convert an HDF5 (.h5) file into a MATLAB (.mat) file, we can use built-in functions of MATLAB to read the data from the HDF5 file and then save it in a .mat file format. Below are the key steps on how to perform the conversion:

Inspect the File: Use “h5info” function to explore the structure of the HDF5 file. This will help us identify the dataset names and paths that we need to read.
Read Data: Use “h5read” function to load the desired data from the HDF5 file. Ensure you specify the correct dataset path.
Save Data: Use “save” function to write the loaded data into a .mat file. You can save multiple datasets by including additional variables in the “save” command.

Here is the sample MATLAB code to accomplish the same:

h5FileName = 'filename.h5'; 
% Inspect the structure of the HDF5 file 
info = h5info(h5FileName); 
disp(info); 
% Replace '/dataset_name' with the actual path to the dataset in the HDF5 file 
data = h5read(h5FileName, '/dataset_name'); 
% Save the data to a MAT file 
matFileName = 'yourfile.mat'; 
save(matFileName, 'data'); 
% Optional: Save multiple datasets if needed 
% data2 = h5read(h5FileName, '/another_dataset_name'); 
% save(matFileName, 'data', 'data2'); 