DIG35 Specification: Metadata for Digital Images. Version 1.0

DIG35 Specification 2000-08-30ContentsCHAPTER 1: INTRODUCTION.....................................................................................................................................................11.1 VISION AND GOALS ....................................................................................................................................................................11.2 SCOPE.........................................................................................................................................................................................11.3 DESIGN REQUIREMENTS.............................................................................................................................................................21.3.1 Design Goals......................................................................................................................................................................21.3.2 Design Principles ...............................................................................................................................................................2CHAPTER 2: METADATA ARCHITECTURE .............................................................................................................................32.1 WHAT IS METADATA? .................................................................................................................................................................32.2 IMAGE MODEL ...........................................................................................................................................................................42.3 METADATA INTERCHANGE MODEL.............................................................................................................................................52.3.1 Image Pixel Data Interchange............................................................................................................................................52.3.2 Image Pixel and Metadata Interchange..............................................................................................................................62.3.3 Challenges of Metadata Interchange..................................................................................................................................72.4 METADATA STORAGE MODEL.....................................................................................................................................................72.5 PROGRESSIVE METADATA MODEL..............................................................................................................................................7CHAPTER 3: DIG35 IMAGE METADATA DEFINITION..........................................................................................................83.1 OVERVIEW..................................................................................................................................................................................83.2 DIG35 METADATA BLOCKS........................................................................................................................................................93.2.1 Basic Image Parameter Metadata......................................................................................................................................93.2.2 Image Creation Metadata...................................................................................................................................................93.2.3 Content Description Metadata ...........................................................................................................................................93.2.4 History Metadata................................................................................................................................................................93.2.5 Intellectual Property Rights (IPR) Metadata....................................................................................................................103.2.6 Fundamental Metadata Types and Fields.........................................................................................................................103.3 EXAMPLE WORKFLOW .............................................................................................................................................................103.3.1 Digital Image Process ......................................................................................................................................................103.3.2 Interactive Metadata Access/Usage ................................................................................................................................. 11CHAPTER 4: DIG35 IMPLEMENTATION DEFINITIONS .....................................................................................................124.1 METADATA ENCODING..............................................................................................................................................................124.1.1 Schema Definitions...........................................................................................................................................................124.1.2 Namespaces......................................................................................................................................................................124.1.3 Syntax Conventions ..........................................................................................................................................................134.1.4 Extensibility......................................................................................................................................................................13CHAPTER 5: MISCELLANEOUS TOPICS................................................................................................................................145.1 ASSOCIATION OF METADATA AND IMAGE DATA ........................................................................................................................145.2 REDUNDANT METADATA ..........................................................................................................................................................145.2.1 Redundant Data Within the Metadata ..............................................................................................................................145.2.2 Redundant Data Between Metadata and Image Data ......................................................................................................145.3 INCONSISTENT METADATA .......................................................................................................................................................145.4 METADATA COMPRESSION........................................................................................................................................................155.5 SECURITY CONSIDERATIONS.....................................................................................................................................................155.6 METADATA PERSISTENCE..........................................................................................................................................................165.7 INTELLECTUAL PROPERTY RIGHTS (IPR)..................................................................................................................................17ANNEX A: BASIC IMAGE PARAMETER METADATA ..........................................................................................................19A.1 OVERVIEW...............................................................................................................................................................................19A.2 STRUCTURE .............................................................................................................................................................................19A.3 DEFINITION .............................................................................................................................................................................20A.3.1 Basic Image Information..................................................................................................................................................20A.3.2 Preferred Presentation Parameters..................................................................................................................................23A.3.3 Color Information ............................................................................................................................................................23A.3.4 Component Information...................................................................................................................................................24A.4 EXAMPLE ................................................................................................................................................................................25Version 1.0 © 2000 Digital Imaging Group, Inc. vi