pend on the intended use of the image—
an action that changes the bit-depth of the image in a way that is not perceivable to the 
human eye may be satisfactory for real-world photographs but not for medical images, for 
example. An AIP contains these key components: the primary data object to be preserved, its 
supporting Representation Information (format and meaning of the format elements), and the 
various categories of Preservation Description Information (PDI) that also need to be 
associated with the 