Extract creation date and time from TIFF image

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Angelina 2012-9-4

I have been trying to extract the acquisition date and time from TIFF images. I attempted to use the getTag function, using the following code:

>> t = Tiff('hist.tif', 'r'); tagval1 = t.getTag(306)

but I receive the error:

??? Error using ==> tifflib Unable to retrieve DateTime.

Error in ==> Tiff>Tiff.getTag at 795 tagValue = tifflib('getField',obj.FileID,tagId);

(tag 306 is the DateTime tag, and hist.tif is the name of my tif image file)

... any suggestions? Or does anyone know of an alternative function to extract the time stamp of a TIFF file?

The file was exported from Nikon Instruments proprietary software, and can also export in JPEG2000.

Walter Roberson 2012-9-4

What is your evidence that the creation time is stored in that .TIFF file?

John 2012-9-4

You can use IMFINFO to verify that the DateTime tag is not really there.

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