BS-ISO-12234-1-2007.pdf
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1、BRITISH STANDARD BS ISO 12234-1:2007 Electronic still-picture imaging Removable memory Part 1: Basic removable-memory model ICS 37.040.99 ? Licensed Copy: London South Bank University, London South Bank University, Thu Dec 20 02:56:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS ISO 12234-1:2007 Th
2、is British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2007 BSI 2007 ISBN 978 0 580 56608 0 National foreword This British Standard is the UK implementation of ISO 12234-1:2007. It supersedes BS ISO 12234-1:2001 which is withdrawn. The UK
3、participation in its preparation was entrusted to Technical Committee CPW/42, Photography. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible
4、 for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: London South Bank University, London South Bank University, Thu Dec 20 02:56:06 GMT+00:00 2007, Uncontrolled Copy,
5、(c) BSI Reference number ISO 12234-1:2007(E) INTERNATIONAL STANDARD ISO 12234-1 Second edition 2007-10-15 Electronic still-picture imaging Removable memory Part 1: Basic removable-memory model Imagerie de prises de vue lectroniques Mmoire mobile Partie 1: Modle de mmoire mobile de base BS ISO 12234-
6、1:2007 Licensed Copy: London South Bank University, London South Bank University, Thu Dec 20 02:56:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSI ii Licensed Copy: London South Bank University, London South Bank University, Thu Dec 20 02:56:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSI iii Contents P
7、age Foreword iv Introduction v 1 Scope 1 2 Normative references1 3 Terms and definitions .1 4 Reference model2 4.1 General considerations.2 4.2 Image storage application profiles (ISAP) 3 4.3 Image data format3 4.4 Filing system4 4.5 Media profiles.4 5 Required characteristics for image storage appl
8、ication profiles.4 5.1 General4 5.2 Interoperability.4 5.3 Flexibility 4 5.4 Extensibility4 5.5 Ease of implementation 4 5.6 Platform independence.5 5.7 Multiple physical media types5 5.8 Elimination of redundancy5 6 Image data format specification.5 6.1 General considerations.5 6.2 Application laye
9、r for image data5 6.3 Presentation layer for image data5 6.4 Image data formats5 6.5 Application layer for sound data12 7 Filing system requirements12 7.1 General considerations.12 7.2 Directory structure and name.12 7.3 Object13 7.4 Interoperability.13 7.5 Device requirement level 14 Annex A (norma
10、tive) TIFF/EP image data format 15 Annex B (informative) SISRIF image data format 16 Annex C (informative) Exif image data format .17 Annex D (informative) DCF filing system18 Bibliography19 BS ISO 12234-1:2007 Licensed Copy: London South Bank University, London South Bank University, Thu Dec 20 02:
11、56:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSI iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Ea
12、ch member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Internatio
13、nal Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standar
14、ds adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject
15、of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 12234-1 was prepared by Technical Committee ISO/TC 42, Photography. This second edition cancels and replaces the first edition (ISO 12234-1:2001), which has been technically revised. ISO 12234 cons
16、ists of the following parts, under the general title Electronic still-picture imaging Removable memory: Part 1: Basic removable-memory model Part 2: TIFF/EP image data format BS ISO 12234-1:2007 Licensed Copy: London South Bank University, London South Bank University, Thu Dec 20 02:56:06 GMT+00:00
17、2007, Uncontrolled Copy, (c) BSI v Introduction The ISO 12234 series addresses removable memory requirements for electronic still cameras. Unlike a traditional photographic system, an electronic photography system divides the imaging chain into discrete components separately devoted to image acquisi
18、tion, storage, transmission, processing and display. Since the components may be made by different manufacturers, there is a need to specify a standard format for data interchange among the various components of an electronic imaging system. This part of ISO 12234 describes data interchange using a
19、removable storage media. The purpose of the removable storage media is to store images digitally in a media that is compact, low in power, and mechanically rugged. These removable storage media will be used to transport the data to other components in the imaging chain. This part of ISO 12234 furthe
20、r specifies the required information content for a removable memory data format. The information content includes both the image data and data items describing the image. Normative Annex A and informative Annexes B and C describe various conforming formats. The data features supported by each of the
21、se formats are also described in Clause 6. The information content further includes the filing system which organizes the image data. Informative Annex D describes a conforming filing system. The filing system features are described in Clause 7. An implementation is said to be in compliance if, at a
22、 minimum, all mandatory elements are present. Recommended features are not required, but will substantially enhance interoperability, performance and/or robustness. In developing this part of ISO 12234, a structured methodology was followed. A reference model describes the environment as well as the
23、 overall architecture in which this part of ISO 12234 is applicable. The architecture separates the software-only layers, termed the image data format and the filing system, from the hardware technology-dependent layers, termed the media profile. An image data format is media independent and contain
24、s the image data, image related data and a means for structuring these data elements. A filing system defines the data organization on the storage media used but which is independent of the media. The International Organization for Standardization (ISO) draws attention to the fact that it is claimed
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