MATLAB: How to read the headers in complicated tiff files

headersimage processingMATLABtiff

Hello dear all.

I have some tiff files that contain the information that I'm looking for within their header lines.

I used imfinfo and a custom function (tiff_read_header) but still I can't get to import into matlab what I see when opening the tiff with notepad++ (please see the attached file).

I could rename the tiff files to dat and then by using importdata I can manipulate them, but still that's not a neat solution…

Any ideas?

Thank you in advance,

Melina.

Best Answer

How about using LibTIFF library?

Ref: Reading Image Data and Metadata from TIFF Files

t = Tiff('FILENAME.tif','r');
tagValue = t.getTag('SOME_TAG_ID');

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http://www.mathworks.com/help/images/write-data-to-dicom-files.html

MATLAB: How to embed an ICC color profile in a JPEG file

Here is how to embed an ICC color profile in JPEG file.

Step 1. Download Phil Harvey's ExifTool from https://exiftool.org: for PC the "Windows Executable" and for Mac the Perl library.

Step 2. Change the ExifTool name: for PC from exiftool(-k).exe to exiftool.exe and for Mac from exiftool to exiftool.pl.

Step 3. Locate the ICC color profiles on your hard disk. The file names of some of the most common profiles are sRGB Profile.icc and AdobeRGB1998.icc.

Step 4. Execute the code below, in which you adapt the paths of your image, ExifTool and ICC profile files.

Note: If you wish to embed an ICC color profile in a TIFF file, follow Steve Eddins's advices at https://blogs.mathworks.com/steve/2009/10/20/embedding-an-icc-profile-into-a-tiff-file/.

% Image file location (change as needed).
image_url = fullfile('image_path','image.jpg');
% ICC color profile file location (change as needed).
icc_url = fullfile('icc_profiles_path','icc_profile.icc');
% ExifTool file location (change as needed).
if ispc
    exiftool_url = fullfile('exiftool_path','exiftool.exe');
else
    exiftool_url = fullfile('exiftool_path','exiftool.pl');
end
% Copy ICC color profile from ICC definition file into image file.
icc_embed_status = system(...
    [ '"', exiftool_url, ...
    '" -q -tagsFromFile "', ... 
    icc_url, '" -ICC_Profile "', ...
    image_url,'"' ]);
% Delete image backup file produced by exiftool.
if icc_embed_status == 0
    delete([image_url,'_original'])
else
    icc_status = 'No ICC color profiles embeded in JPEG files.';
end

Best Answer

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MATLAB: How to convert .mat to .dcm

MATLAB: How to embed an ICC color profile in a JPEG file

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