DIG35 Specification: Metadata for Digital Images. Version 1.0

Chapter 2:Metadata Architecture DIG35 Specification 2000-08-30Chapter 2: MetadataArchitecture2.1 What is Metadata?As previously discussed, metadata is additional data linked to the image data which provides additional information about thecontents of the image, the creation of the image, or the uses of the image. Metadata may be used in a variety of ways, including:• Providing in-depth information on the image and its creation, such as date, time of day, focus distance, light levels, useof flash, GPS location, etc.• Allowing easy indexing, identification, categorization and usage-control according to any pre-determined schema, suchas image type, copyright conditions, originator, subject matter, location, etc.• Enhancing the intrinsic content of the image, such as differentiating between several different beach images, which maylook the same to an unknowing observer.Example metadata:Photographer: Kats IshiiDate: 1999/12/09Location: Maui, HawaiiTitle: Memorable conferenceComment: View from restaurantEvent: Committee meetingFigure 2-1: Sample image with metadataVersion 1.0 © 2000 Digital Imaging Group, Inc. 3