Puzzling file date taken entry

Discussion in 'Digital Cameras' started by Terry Pinnell, Dec 2, 2005.

  1. Not something to lose sleep over, but I'm puzzled by this. Looking at
    a dozen JPG images I scanned in 2 days ago in a Windows Explorer
    folder, just one of them has a 'Date Picture Taken' entry against it.
    FWIW, it's 30/11/2005 17:54, and the Date Modified is 30/11/2005
    17:55. The files include various edits, such as resizing, removing
    moire patterns, softening, unsharp mask, etc, with PaintShop Pro 8 and
    IrfanView. But I haven't opened any of them with EXIFER or anything
    like that.

    So how could that possibly arise please?
     
    Terry Pinnell, Dec 2, 2005
    #1
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  2. Files can have up to three date fields under NTFS - created, modified and
    accessed. It's possible that your scanning software saves the file as it
    goes along, so the created date may be the start of scan, and the modified
    date the end of scan. I don't know how the "Picture taken" display is
    derived. I would rather have thought from an EXIF header, but perhaps
    from the creation date otherwise?

    I owuld have thought that the modification date should be the time of the
    last file write, though.

    David
     
    David J Taylor, Dec 2, 2005
    #2
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