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ITU-T T 86-1998 Information Technology - Digital Compression and Coding of Continuous-Tone Still Images Registration of JPEG Profiles SPIFF Profiles SPIFF Tags SPIFF Colour Spaces .pdf

1、- 48625931 Ob557b8 53b = GENERAL SECRETARIAT INTERNATIONAL TELECOMMUNICATION UNION Subject: CORRIGENDUM Geneva, February 1999 Recommendation ITU-T T.86 (06/98) TELECOMMUNICATION STAN DARD IZATI ON SECT0 R OF ITU Recommendation ITU-T T.86 (06/98) Information technology - Digitai compression and codin

2、g of continuous-tone still images: Registration of JPEG Profiles, SPIFF Profiles, SPIFF Tags, SPIFF colour Spaces, APPn Markers, SPIFF Compression types and Registration Authorities (REGAUT) Please note that the following definitions were omitted in subclause 3.2 “Abbreviations and Acronyms“: JBIG J

3、PEG Joint Photographic Experts Group PTSMCR REGAUT REGistration AUThority SPIFF Joint Bi-level Image experts Group Profiles, Tags, colour Spaces, Markers, Compression type and REGAUT Still Picture Interchange File Format Union internationale des tlcommunications Place des Nations 121 1 GENVE 20 Suis

4、se - Switzerland - Suiza STD-ITU-T RECMN T=Ab-ENGL 1798 = Li8b2571 Ob537YLi OAT W INTERNATIONAL TELECOMMUNICATION UNION ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU T.86 (06/98) SERIES T: TERMINALS FOR TELEMATIC SERVICES Information technology - Digital compression and coding of continuous-

5、tone still images: Registration of JPEG Profiles, SPIFF Profiles, SPIFF Tags, SPIFF colour Spaces, APPn Markers, SPIFF Compression types and Registration Authorities (REGAUT) ITU -T Recommend at i on i. 86 (Previously CCITT Recommendation) ITU-T T-SERIES RECOMMENDATIONS TERMINALS FOR TELEMATIC SERVI

6、CES For further details, please refer to ITU-T List of Recommendations, INTERNATIONAL STANDARD 10918-4 ITU-T RECOMMENDATION T.86 INFORMATION TECHNOLOGY - DIGITAL COMPRESSION AND CODING OF CONTINUOUS-TONE STILL IMAGES: REGISTRATION OF JPEG PROFILES, SPIFF PROFILES, SPIFF TAGS, SPIFF COLOUR SPACES, AP

7、Pn MARKERS, SPIFF COMPRESSION TYPES AND REGISTRATION AUTHORITIES (REGAUT) Summary This Recommendation I International Standard provides for the unique registration of JPEG and SPIFF Profiles, SPIFF Tags, SPIFF colour Spaces, application specific Markers, SPIFF Compression types and images registrati

8、on authorities as defined in CCITT Rec. T.81 I ISOAEC 10981-1 and IW-T Rec. T.84 I ISO/IEC 10918-3. Source The ITU-T Recommendation T.86 was approved on the 18th of June 1998. The identical text is also published as ISOAEC International Standard 109 18-4. ITU-T Rec. T.86 (1998 E) 1 - FOREWORD ITU (I

9、nternational Telecommunication Union) is the United Nations Specialized Agency in the field of telecommuni- cations. The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of the ITU. The ITU-T is responsible for studying technical, operating and tariff questions and issuing R

10、ecommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Conference (WTSC), which meets every four years, establishes the topics for study by the ITU-T Study Groups which, in their turn, produce Recommendations on these

11、topics. The approval of Recommendations by the Members of the ITU-T is covered by the procedure laid down in WTSC Resolution No. 1. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with IS0 and IEC. NOTE In this R

12、ecommendation, the expression ”Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. INTELLECTUAL PROPERTY RIGHTS The ITU draws attention to the possibility that the practice or implementation of this Recommendation may involve

13、 the use of a claimed Intellectual Property Right. The ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether asserted by ITU members or others outside of the Recommendation development process. As of the date of approval of this Rec

14、ommendation, the ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementors are cautioned that this may not represent the latest information and are therefore strongly urged to consult the TSB patent datab

15、ase. O ITU 1998 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the ITU. ITU-T Rec. T.86 (1998 E) ii STDSITU-T RECMN T-8b-ENGL 1998 48b2571 b

16、53748 725 1 2 3 4 5 CONTENTS Scope Normative references 2.1 Identical IT-T Recommendations I International Standards . 2.2 Additional references Definitions, abbreviations, and symbols . 3.2 Abbreviations and acronyms . 3.1 Definitions . 3.3 Symbols . General . 4.1 4.2 4.3 4.4 4.5 4.6 JPEG and SPIFF

17、 profiles (see ITU-T Rec . T.84 I ISO/IEC 10918.3, F.2.1) . 4.1.1 Purpose of a profile . 4.1.2 Criteria for acceptance of a profile 4.1.3 Contents of the submission 4.1.4 Normative section SPIFF tags (see ITU-T Rec . T.84 I ISOAEC 10918-3, F.2.2) . 4.2.1 Purpose of a SPIFF tag Criteria . 4.2.2 4.2.3

18、 Contents of the submission SPIFF colour space (see ITU-T Rec . T.84 I ISODEC 10918-3, F.2.1.1) . 4.3.1 Purpose of a SPIFF colour space . Criteria . 4.3.2 4.3.3 Contents of the submission APPn marker (see CCITT Rec . T.81 I ISOAEC 10918-1, B.2.4.6) . 4.4.1 Purpose of an APPn marker Criteria . 4.4.2

19、4.4.3 Contents of the submission SPIFF compression type (see IT-T Rec . T.84 I ISOAEC 10918-3, F.2.1) 4.5.1 Purpose of SPIFF compression type registration Criteria . 4.5.2 4.5.3 Contents of the submission Registration Authority (see ITU-T Rec . T.84 I ISOAEC 10918-3, F.2.3.2.13) . 4.6.1 Purpose of I

20、mage Registration Authority (REGAUT) IDS . Criteria . 4.6.2 4.6.3 Contents of the submission Submission. review. and appeal process . 5.1 Submission process . 5.3 5.2 Review process Notification and appeal process Annex A . JPEG marker and SPIFF tag usage tables . Annex B - Examples of registered PT

21、SMCR items B . 1 B.2 B.3 Example of a JPEG profile: NITFS Lossless JPEG Profile Example of SPIFF tag . B.2.1 Normative description . B.2.3 Typical application Example of a SPIFF colour space . B.3.2 Typical application B.l.l Normative description . B . 1.2 Informative description . B.2.2 Origin of r

22、equest B.2.4 Content B.3.1 Origin of request ITU-T Rec . T.86 (1998 E) Page 1 1 1 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 5 5 5 6 6 6 6 6 1 7 7 7 7 8 8 8 9 9 9 10 12 14 14 14 23 24 24 24 24 24 24 24 24 . 111 B . 4 B.5 B . 6 Example of APPn markers B.4.1 Example 1 B.4.2 Example 2 Example of compression type .

23、B.5.2 Ongin of request B.5.3 Typical application B.5.4 Content Example of REGAUT application . B.6.2 Origin of request B.6.3 Typical application B.6.4 Content B.5.1 Normative description . B.6.1 Normative description . Annex C . Registered marker information ITU-T Rec . T.86 (1998 E) Page 25 25 25 2

24、7 27 27 27 27 28 28 28 28 28 29 iv STD-ITU-T RECMN T-Bb-ENGL 1778 Lidb2591 Ob53950 383 W Origin of requests std. implementers application field std implementers std implementers conceptor institutions ISO/IEC 10918-4 : 1998 (E) Qty range units tens units units units thousands INTERNATIONAL STANDARD

25、ITU-T RECOMMENDATION INFORMATION TECHNOLOGY - DIGITAL COMPRESSION AND CODING OF CONTINUOUS-TONE STILL IMAGES: REGISTRATION OF JPEG PROFILES, SPIFF PROFILES, SPIFF TAGS, SPIFF COLOUR SPACES, APPn MARKERS, SPIFF COMPRESSION TYPES AND REGISTRATION AUTHORITIES (REGAUT) 1 Scope This Recommendation I Inte

26、rnational Standard provides for the unique registration of JPEG and SPIFF Profiles, SPIFF Tags, SPIFF colour Spaces, application specific Markers, SPIFF Compression types and images Registration authorities as defined in the CCI“ Rec. T.81 I ISO/IEC 10918-1 and ITU-T Rec. T.84 I ISO/IEC 10918-3. Unl

27、ess otherwise specified, (P)rofiles, (T)ags, colour (S)paces, (M)arkers, (C)ompression types and image (R)egistration authorities will be referred to as PTSMCR items. ISO/IEC JTC 1 SC 29 will delegate to a designated Authority the role to collect, study, approve, register and disseminate the relevan

28、t information to allow for the customization of JPEG standard. The following table gives an overview of the main issues ahout registration of PTSMCR items. I I Designation P T s M C R Profile index Tag colour Space Marker Compression REGAUT Notes fundamental issue various contents (Note i) technical

29、 issue restricted use standards use through National Bodies (Note 2) NOTE i - Tags can create a language problem, and this Recommendation I International Standard stipulates that only the English version of the content can be registered to avoid misunderstanding. The National Bodies should provide t

30、ranslation facilities for registrants in their countries. NOTE 2 - Due to the large number of potential applicants, the PTSMCR Authority delegates the National Bodies to register new REGAUTs. This disposition solves the language and the legal problems raised from different countries. 2 Normative ref

31、erences The following Recommendations and International Standards contain provisions which, through references in this text, constitute provisions of this Recommendation I International Standard. At the time of publication, the editions indicated were valid. All Recommendations and Standards are sub

32、ject to revision, and parties to agreements based on this Recommendation I International Standard are encouraged to investigate the possibility of applying the most recent edition of the Recommendations and Standards listed below. Members of IEC and IS0 maintain registers of currently valid Internat

33、ional Standards. The Telecommunication Standardization Bureau of the ITU maintains a list of currently valid ITU-T Recommendations. 2.1 Identical ITU-T Recommendations I International Standards - CCITT Recommendation T.81 (1992) I ISO/IEC 1091 8-1:1994, Information technology - Digital compression a

34、nd coding of continuous-tone still images: Requirements and guidelines. - ITU-T Recommendation T.82 (1993) I ISO/IEC 11544:1993, Information technology - Coded representation of picture and audio information - Progressive bi-level image compression plus Technical Corrigendum I (1995)J ITU-T Rec. T.8

35、6 (1998 E) 1 STD.ITU-T RECMN T-Bb-ENGL L778 48b2571 Ob53751 ZIT ISO/IEC 10918-4 : 1998 (E) - ITU-T Recommendation T.83 (1994) I ISOAEC 10918-2:1995, Information technology - Digital compression and coding of continuous-tone still images: Compliance testing. IT-T Recommendation T.84 (1996) I ISO/IEC

36、109 18-3: 1996, Information technology - Digital compression and coding of continuous-tone still images: Extensions. - 2.2 Additional references - ITU-T Recommendation T.85 (1993, Application profile for Recommendation T.82 - Progressive bi-level image compression (JBIG coding scheme) for facsimile

37、apparatus. ITU-T Recommendation T.87 (1998) I ISOAEC 14495-1: 1998, Information technology - Lossless and near-lossless compression of continuous-tone still images - Baseline. IS0 3166-1:1997, Codes for the representation of names of countries and their subdivisions - Part 1: Countv codes. IS0 8601

38、: 1988, Data elements and interchange formats - Information interchange - Representation of dates and times. IS0 8859-1: 1987, Information processing - security and legal information; identification and contact information for the registrant; object of the registration and foreseen flow; means of co

39、mmunication and coordination; means of financial support for the operation When the appropriate National Body accepts the request, a probationary authorization is given to start operation of the REGAUT. During this probationary period, the REGAUT will be required to provide the appropriate National

40、Body with registered images, based on non-disclosure agreements as deemed necessary. The National Body will determine compliance of the registered images to the standard. Following the successful demonstration of compliance, the probationary number is updated to a definitive, final number and the ac

41、tual REGAUTs operations may begin. The registration numbers will be clearly differentiated when applied to probationary REGAUTs and final REGAUTs. Once approved and operational, the REGAUT shall create a number of registers for private and/or public use, and will be required to provide information r

42、egarding the items in the register. The REGAUT, at a minimum shall provide: registration process description (maybe some particular conditions); registration content in terms of quantity and numbering; on-going test period news and recommendations to users; ITU-T Rec. T.86 (1998 E) 8 ISO/zEC 10918-4

43、 : 1998 (E) 0 listing of Registrants; 0 final acceptance date as previewed; access to IPR tags for the registered images. NOTE - REGAUT IDS are made public by the relevant National Body or by ISO. Each registrant should be able to access his own registration status and review his registered images.

44、To reduce the size of the registered files and the risk of getting it disclosed, a typical registration process only registers vignettes, which are small representations of the original images, carrying ail the tags for IPR protection and a native sample taken into the original file for authenticati

45、on purposes. 5 Submission, review, and appeal process This clause provides requirements for the submission and approval of new or updated profiles, tags, colour spaces, markers and compression types as defined previously. Additionally, this clause recommends ways for the establishment of a new REGAU

46、T (Registration Authority) whose purpose will be to register images. Ali the registration processes have a common set of requirements for the submitter as well as requirements and processes based on the category of submission (PTSMCR) and are described in detail below. 5.1 Submission process The reg

47、istration submission process conforms to the specifications described in clause 4 and is graphically shown in Figure 5-1, which shows the process flow for submission of a new item to the relevant PTSMCR Authority. This process flow is focused on access based on an Internet based submission and appro

48、val system, but could be applied to other (non-electronic) processes as provided for by the Authority. The registrant (individual or institution) shall submit a request for registration of a new item to the PTSMCR Authority, possibly via Internet access, for example. The first operation is the ident

49、ification of the registrant, which takes the steps shown on the block diagram: either the registrant is unknown to the PTSMCR Authority, or previously registered an item and is listed in the PTSMCR Authority registers. If it is the first time the registrant provided a submission to the Authority, they must complete a general identification form. In order to provide some level of security to the registration process, a password is set by the registrant and must be used every time the registrant contacts the PTSMCR Authority for an active operation (this exclude

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