DIG35 Specification: Metadata for Digital Images. Version 1.0

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DIG35 Specification 2000-08-30© 1999-2000 Digital Imaging Group, Inc. All rights reserved.The information in this document is believed to be accurate as of the date of publication.THIS DOCUMENT IS PROVIDED "AS IS." THE DIGITAL IMAGING GROUP MAKES NO REPRESENTATIONS ORWARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, WARRANTIES OFMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, OR TITLE; THAT THECONTENTS OF THIS DOCUMENT ARE SUITABLE FOR ANY PURPOSE; NOR THAT THE IMPLEMENTATION OFSUCH CONTENTS WILL NOT INFRINGE ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADEMARKS OROTHER RIGHTS.THE DIGITAL IMAGING GROUP WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL ORCONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE DOCUMENT OR THE PERFORMANCE ORIMPLEMENTATION OF THE CONTENTS THEREOF.Flashpix is a trademark of Digital Imaging Group, Inc. All other trademarks are the property of their respective owners. Thenames and/or trademarks of DIG35 members, member of the Digital Imaging Group, or the Digital Imaging Group may NOTbe used in advertising or publicity pertaining to this document or its contents without specific, written prior permission.No parts of this specification may be reproduced, in whatever form, without express and written permission of Digital ImagingGroup, Inc.About the Digital Imaging GroupThe Digital Imaging Group (DIG) is a not-for-profit imaging industry consortium of manufacturers, developers, and users ofdigital imaging solutions. Originally founded in 1997 by Adobe, Canon, Eastman Kodak, Fuji, Hewlett-Packard, IBM, Intel,Live Picture and Microsoft, the organization has now grown to over 70 members of membership as of August 28, 2000. Theprimary goal of the Digital Imaging Group is to provide an open industry forum for the exploration, implementation andstewardship of technologies and methods for expanding the Digital Imaging market.For more information:Digital Imaging Group, Inchttp://www.digitalimaging.orgComments should be sent to:dig35comments@digitalimaging.orgMembers of the DIG35 Initiative Group are (in alphabetical order):Adobe Systems Inc., AGFA-GEVAERT N.V., Canon Inc., Eastman Kodak Company, Fuji Photo Film Co., Ltd., HewlettPackard Company, Microsoft Corporation, NETIMAGE, PhotoChannel Networks Inc., PhotoWorks, Inc., PictureIQCorporation, Polaroid Corporation, WorkStation.comVersion 1.0 © 2000 Digital Imaging Group, Inc. ii
DIG35 Specification 2000-08-30PrefaceFrom consumer to professional and commercial applications, digital images are overtaking the traditional images created withfilm or video in terms of number of images created and they are also becoming increasingly closer in quality of image. Inaddition, the increasing sales of digital image capture devices and associated services available for digital image processingwill soon result in the proliferation of huge numbers of digital images in many forms and in a variety of sizes and [perceivedand measured] value.From the very beginning of photography (and, before that, in art of all kinds) those who take pictures have tried to capture asmuch information about the photograph as possible. This information is termed metadata. iEvery family has shoeboxes filled with photographs, some with a few cryptic notes on the back (which is metadata). Anothermethod of tracking metadata has been in photo albums dedicated to special occasions. In both cases, the information has beenlimited and often the meaning of the notes is lost over time.Professional applications make use of digital images as an add-on to their specific skills. Quite often, images are even essentialto complete their main job. For example, professional photographers, real estate agents, and insurance adjusters use images asa significant part of required tools for completing the job successfully.Commercialization of imaging is reaching the highest level of accessibility worldwide. Commercial applications are thosewhere trading of contents is the basis of the business. This would include, for example, clip art vendors, photographic prints,and other image and photography product sales.Professional and commercial applications have needs to classify, store, archive, transfer, distribute, retrieve, filter, exploit andsell the images and to specifically identify an image similar to the way that families need to identify their pictures. For theseapplications in today's environment, this is often accomplished by automatic processing software and hardware.Overall, creating metadata for images enhances our business opportunities, amplifies our memories and increases the joy ofsharing. As we share images across distance and time, it becomes even more important to remember as much as possible aboutthe image.In fact, in today's digital age, sharing images is easier than ever. The growth in digital technology has created a desire amongusers to manage and exchange their images in a variety of ways including storage, e-mail exchange, Internet/WWW postingsand other displays (such as personal electronic photo albums or frames), and printing to a variety of devices with differentresolutions.Indeed, personal processing of images can be organized into four primary areas of use: creation, editing, printing, and sharing.In terms that are more technical, this workflow ii is termed input, manipulation, output, and communication. The benefits fordigital image use increases significantly by having more extensive metadata that is consistently available throughout thisworkflow.First, with digital metadata, the image becomes important not just for today but also in the future. Knowing exactly who, what,when, where, and how a photograph was taken provides a solid basis for documenting our lives and is an integral part ofbusiness.Second, using today's technology, images can be shared far more broadly and in the way most appropriate to each individualand functional requirement. This extensive sharing of images requires more knowledge about the image, especially in abusiness situation.Finally, knowing as much as possible about the image enhances sharing. We no longer need to rely on memory alone to providethe background for our most precious history or our corporate assets.The illustration below highlights several of the fundamental enhancements in today's technology in each of these workflowareas.i The term metadata is composed from the Greek word "meta" meaning aside and "data" meaning the essential content of an electronic container (for example, animage file).ii Workflow defines the progress of work through a series of steps done by an individual, a business, or several different businesses.Version 1.0 © 2000 Digital Imaging Group, Inc. iii
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Page 7 and 8: DIG35 Specification 2000-08-30ANNEX
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Page 13 and 14: Chapter 1:Introduction DIG35 Specif
Page 15 and 16: Chapter 2:Metadata Architecture DIG
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Page 19 and 20: Chapter 3:DIG35 Image Metadata Defi
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Page 29 and 30: DIG35 Specification 2000-08-30ANNEX
Page 31 and 32: Annex A:Basic Image Parameter Metad
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Annex B:Image Creation Metadata DIG
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Annex C:Content Description Metadat
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Annex D:History Metadata DIG35 Spec
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Annex E:Intellectual Property Right
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Annex F:Fundamental Metadata Types
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Annex G:DIG35 XML Document Definiti
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Annex H:DIG35 XML Schema Collection
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Annex I:DIG35 XML DTD DIG35 Specifi
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Appendix I:Examples DIG35 Specifica
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Appendix II:Metadata Association DI
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Appendix III:Conformance DIG35 Spec
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Appendix V:Future Plans DIG35 Speci
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Appendix VII:Glossary DIG35 Specifi
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Appendix VIII:DIG35 Working Group D
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Appendix IX:References DIG35 Specif
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DIG35 Specification 2000-08-30Desti
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DIG35 Specification: Metadata for Digital Images. Version 1.0

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