what can MATLAB do with tif files

Question

Miraboreasu 2023-8-12

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回答： Image Analyst 2023-8-12

采纳的回答： Image Analyst

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Hi, I got lots of scan (photo) files as tif. and I read them into the array

```

folder = fileparts(which(mfilename));
tifFiles = dir(fullfile(folder, '*.tif'));
for i = 1:length(tifFiles)
    tifFileName = tifFiles(i).name;
    tifFilePath = fullfile(folder, tifFileName);
    try
        tifData = imread(tifFilePath);
        disp(['TIFF file ', tifFileName, ' read successfully.']);
    catch
        disp(['Error reading TIFF file ', tifFileName]);
    end
end

```

I want to analyze these photos, for exmaple, I want to give a coordinate to and find one object's coordinate in the photos, what package I should look at?

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Answer 1

Image Analyst 2023-8-12

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See my Image Segmentation Tutorial in my File Exchange:

Image Analyst's File Exchange

It's a generic, general purpose demo of how to threshold an image to find blobs, and then measure things about the blobs, and extract certain blobs based on their areas or diameters.

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Answer 2

Cris LaPierre 2023-8-12

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Image Processing Toolbox

Computer Vision Toolbox

If you are new to the topic, consider the following courses

Image Processing Onramp (Free)
Image Processing with MATLAB
Image Processing for Engineering and Science Specialization (3 courses, free to enroll)
Computer Vision for Engineering and Science Specialization 3 courses, free to enroll)

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Answer 3

Walter Roberson 2023-8-12

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MATLAB can read (most) ordinary TIF files with the imread

But TIF files can be someone complicated so MATLAB also offers the TIFF library, Tiff

There is also geotiffread and the newer georasterinfo and related.

But what you are really asking about is how you can process the file once you have read it in -- and once you have read it in then it is just a numeric array and nothing cares that it was originally a TIFF file.