Aperture & Shutter Speed Information Extraction

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Guan Zhao
Guan Zhao 2013-3-13
Good day,
I am attempting to extract an image's aperture and shutter speed information using MatLab to perform some calculations and processing, and I am wondering if I am able to do so using any particular functions.
Regards
Guan Zhao

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回答（1 个）

Walter Roberson
Walter Roberson 2013-3-13
You might be able to use exifread() or the newer imfinfo
But the information might not have been recorded in exif (e.g. on my camera it does not record aperture if the camera is set to its Automatic setting mode.)
If your image is TIFF the image might also be recorded as a TIFF tag; see http://www.mathworks.com/help/matlab/ref/tiffclass.html

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