© ISO/IEC 2010 – All rights reserved
ISO/IEC JTC 1/SC 29/WG1
N5373
Date: 2010-04-30
ISO/IEC JTC 1/SC 29/WG 1
(ITU-T SG16)
Coding of Still Pictures
JBIG
JPEG
Joint Bi-level Image
Joint Photographic
Experts Group
Experts Group
TITLE:
Text of Final Committee Draft for JPSearch Part-5 – Data interchange format between
image repositories (ISO/IEC 24800-5)
SOURCE:
Frederic Dufaux (Editor)
PROJECT:
JPSearch
STATUS:
Approved
REQUEST
ACTIONS:
for review
DISTRIBUTION:
WG1 Distribution List
CONTACT:
ISO/IEC JTC 1/SC 29/WG 1 Convener - Dr. Daniel T. Lee
eBay Inc., 2145 Hamilton Avenue, San Jose, California 95125,USA
eBay China Development Center, Shanghai German Center, 88 Keyuan Road,
Zhangjiang Hi-Tech Park, Pudong, Shanghai 201203, China
Tel: +1 408 219 4709 Fax: +1 253 830 0372, E-mail: [email protected]
Document type: International Standard
Document subtype:
Document stage: (40) Enquiry
Document language: E
STD Version 2.1c2
ISO/IEC JTC 1/SC 29 N5373
Date: 2010-03-17
ISO/IEC FCD 24800-5
ISO/IEC JTC 1/SC 29/WG 1
Secretariat:
Information technology — JPSearch — Part 5: Data interchange format
between image repositories
Élément introductif — Élément central — Partie 5: Titre de la partie
Warning
This document is not an ISO International Standard. It is distributed for review and comment. It is subject to
change without notice and may not be referred to as an International Standard.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
ISO/IEC FCD 24800-5
Copyright notice
This ISO document is a Draft International Standard and is copyright-protected by ISO. Except as permitted
under the applicable laws of the user's country, neither this ISO draft nor any extract from it may be
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Violators may be prosecuted.
© ISO/IEC 2010 – All rights reserved
iii
ISO/IEC FCD 24800-5
Contents
Page
Foreword ..............................................................................................................................................................v
Introduction ....................................................................................................................................................... vi
1
Scope ......................................................................................................................................................1
2
Normative References ...........................................................................................................................1
3
Terms and definition .............................................................................................................................1
4
4.1
Symbols and abbreviated terms ..........................................................................................................3
Abbreviations .........................................................................................................................................3
5
5.1
5.2
5.3
File format ...............................................................................................................................................3
General ....................................................................................................................................................3
Binary file format for collection of images and metadata .................................................................3
Text-based file format for collection-level and item-level metadata ................................................4
6
Resource .................................................................................................................................................5
7
7.1
7.2
Schema and Metadata ...........................................................................................................................5
JPSearch collection metadata schema ...............................................................................................5
JPSearch XML metadata interchange format schema .......................................................................8
iv
© ISO/IEC 2010 – All rights reserved
ISO/IEC FCD 24800-5
Foreword
ISO (the International Organization for Standardization) and IEC (the International Electrotechnical
Commission) form the specialized system for worldwide standardization. National bodies that are members of
ISO or IEC participate in the development of International Standards through technical committees
established by the respective organization to deal with particular fields of technical activity. ISO and IEC
technical committees collaborate in fields of mutual interest. Other international organizations, governmental
and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information
technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of the joint technical committee is to prepare International Standards. Draft International
Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as
an International Standard requires approval by at least 75 % of the national bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights.
ISO/IEC 24800-5 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology,
Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information.
ISO/IEC 24800 consists of the following parts, under the general title Information technology — JPSearch:

Part 1: System framework and components

Part 2: Registration, identification, and management of metadata schema

Part 3: Query format

Part 4: Metadata embedded in image data file format

Part 5: Data interchange format between image repositories
© ISO/IEC 2010 – All rights reserved
v
ISO/IEC FCD 24800-5
Introduction
ISO/IEC 24800 (JPSearch) is a recent addition to a sequence of standards that have been developed by the
Joint Photographic Experts Group, JPEG. This new standard is developed to an interoperable mechanism to
handle metadata among compliant systems including repository, search engine, and file entities. This part,
Part-5, aims at a format for the exchange of image collections and respective metadata between JPSearch
compliant repositories. It enables the synchronization of repositories in order to facilitate simple and fully
interoperable exchange across different devices and platforms.
vi
© ISO/IEC 2010 – All rights reserved
FINAL COMMITTEE DRAFT
ISO/IEC FCD 24800-5
Information technology — JPSearch — Part 5: Data interchange
format between image repositories
1
Scope
This part of ISO/IEC 24800, JPSearch, provides a data interchange format for the exchange of image
collections and respective metadata between JPSearch compliant repositories. The metadata may be at the
level of the image or an image collection. By providing a solution for the carriage of image collections and
associated metadata between compliant devices and platforms, the JPSearch data interchange format
enables the synchronization of repositories in order to facilitate simple and fully interoperable exchange
across different devices and platforms.
The JPSearch data interchange format should enable to easily and faithfully transfer data between different
hardware and software system. In particular, it should support functions such as:
2

Exchanging data between JPSearch repositories on different devices and platforms

Consolidating metadata generated on different systems.

Transferring data to a newer and better system.

Consolidating selected data to a centralized repository.

Archiving data in a format which will survive current products.
Normative References
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO/IEC 10918 (JPEG) Information technology – Digital compression and coding of continuous-tone still
images
ISO/IEC 14496-12 (MPEG-4) Information technology – Coding of audio-visual objects – Part 12: ISO base
media file format
ISO/IEC 14496-14 (MPEG-4) Information technology – Coding of audio-visual objects – Part 14: MP4 file
format
ISO/IEC 15444 (JPEG2000) Information technology – JPEG 2000 image coding systems
ISO/IEC 23001-1 (MPEG-B) Information technology - MPEG systems technologies – Part 1: Binary MPEG
format for XML
3
Terms and definition
For the purposes of this document, the following terms and definitions apply.
© ISO/IEC 2010 – All rights reserved
1
ISO/IEC FCD 24800-5
3.1
JPEG
image coding format, defined in ISO/IEC 10918
3.2
JPEG 2000
image coding format, defined in ISO/IEC 15444
3.3
Binary MPEG format for XML
Binary MPEG format for XML specification defined as ISO/IEC 23001-1
3.4
collection
grouping, consisting of image resources and/or nested collections, described by an instance of the MPEG-7
ContentCollection Description Scheme
3.5
resource
encoded image bitstream
3.6
internal resource
resource included in the current file
3.7
external resource
resource which is available outside of the current file
3.8
codestream
entity of a resource.
3.9
metadata
An entity of descriptive data of image data
2
© ISO/IEC 2010 – All rights reserved
ISO/IEC FCD 24800-5
3.10
elementary metadata
A set of metadata entity compliant to a certain schema/ontology registered in ISO/IEC 24800-2.
3.11
synchronization
Process of establishing consistency among data on remote sources and the continuous harmonization of the
data over time.
3.12
repositories consolidation/aggregation
Process of combining selected data from repositories into an integral repository.
3.13
metadata consolidation/aggregation
Consolidation/aggregation of metadata provided by multiple sources (different kind of metadata)
4
4.1
Symbols and abbreviated terms
Abbreviations
BiM Binary MPEG format for XML
mp4 MPEG-4 (file format)
5
File format
5.1 General
The JPSearch data interchange format defines two file formats. The first one is a binary file format to
represent a collection of images and the associated metadata, as defined in sub-clause 5.2. The second one
is a text-based file format to represent collection-level and item-level metadata, as defined in sub-clause 5.3.
5.2 Binary file format for collection of images and metadata
The JPSearch data interchange binary file format for collection of images and metadata shall use the MPEG-4
file format (mp4) to carry JPEG and/or JPEG 2000 and/or JPSearch Part 4 resources and their associated
metadata. Figure 1 shows the basic structure of the mp4 file format for JPSearch data interchange.
The identification of the JPSearch data interchange type in the file format shall use the brand mechanism
defined by the ISO base media file format (ISO/IEC 15444-12). The brand "jpsi" identifies the JPSearch data
interchange format and shall appear in the compatible-brands list in the file-type box (ftyp).
Internal JPEG and/or JPEG 2000 and/or JPSearch Part 4 resources shall be stored in the media data box,
whereas external JPEG and/or JPEG 2000 and/or JPSearch Part 4 resources can be identified by the
presence of a MediaInstance element. In both cases of JPEG and JPEG 2000 resources, their associated
metadata shall be stored in the image box (the image box corresponds to the movie box as defined in the ISO
© ISO/IEC 2010 – All rights reserved
3
ISO/IEC FCD 24800-5
base media file format, ISO/IEC 15444-12). The linking between metadata and each corresponding internal
resource (/codestream) shall be specified by media box. Linkage information to external resources can be
specified in the metadata contained in the meta box of each track box.
In the mp4 file, descriptive metadata shall be stored using a “bxml box” inside a “meta box”, which can be
instantiated in an image box or track boxes. The meta box in the image box shall be used to annotate
collection level information and those in the track boxes shall be used for item level information. Collection
level metadata shall follow the collection metadata schema as defined in clause 7.1. All the item level
descriptive metadata shall be stored using Elementary Metadata Block defined in the clause 4.2 of JPSearch
part-4 (ISO/IEC 24800-4). Also, meta-boxes shall be compliant to JPSearch core metadata or one of the
JPSearch registered metadata.
File Type box (ftyp)
Media Data Box (mdat)
Image Box (moov)
Meta box (meta) #0
Track Box (trak) #1
Track Header Box (tkhd)
JPEG / JPEG 2000 /
JPSearch Part 4
codestream #1
Media Box (mdia)
Meta Box (meta) #1
Track Box (trak) #N
Track Header Box (tkhd)
Media Box (mdia)
Meta Box (meta) #N
JPEG / JPEG 2000 /
JPSearch Part 4
codestream #N
JPEG / JPEG 2000 / JPSearch Part 4
codestream (external resource)
Figure 1 — Basic structure of JPSearch data interchange format
The number of meta-boxes for collection-level descriptive metadata shall be exactly one.
For JPEG and JPEG 2000 codestreams, the number of meta-boxes for item-level descriptive metadata shall
be the same as the number of resources in a file.
For JPSearch Part 4 codestreams, the number of meta box for those specific items shall be zero.
5.3 Text-based file format for collection-level and item-level metadata
The JPSearch data interchange text-based file format for collection-level and item-level metadata
encapsulates all the collection-level and item-level metadata into a valid XML descriptor in a single text-based
format. The aim is to enable easy exchange of metadata between repositories.
4
© ISO/IEC 2010 – All rights reserved
ISO/IEC FCD 24800-5
In this case, the collection-level and item-level metadata should follow the interchange format schema as
defined in clause 7.2.
Besides a plain-text XML representation, in this case the descriptive metadata can optionally be stored using
BiM.
6
Resource
Only JPEG-conforming, JPEG 2000-conforming and JPSearch Part 4 code-streams may be used as internal
or external resources in the JPSearch data interchange binary file format for collection of images and
metadata. Internal JPEG and/or JPEG 2000 and/or JPSearch Part 4 resources shall be stored in the media
data box. Alternatively, external JPEG and/or JPEG 2000 and/or JPSearch Part 4 resources can be identified
by the presence of a MediaInstance element.
As a special case, a file can have all images defined as external resources. As a result, the file only contains
metadata (collection-level and item-level).
7
Schema and Metadata
This clause specifies the metadata which is supported by the JPSearch data interchange format.
7.1 JPSearch collection metadata schema
This clause specifies the schema that facilitates the composition of XML metadata descriptions about image
collections, for the purpose of information exchange between image repositories. The following description
tools are specified: The type hierarchy of the schema and the root element.
7.1.1
Wrapper of the schema
The Syntax defined in this part assumes the following schema wrapper.
<schema xmlns:jpcls="urn:jpeg:jpsearch:schema:collections:2009"
xmlns="http://www.w3.org/2001/XMLSchema"
xmlns:jpcs="urn:jpeg:jpsearch:schema:coremetadata:2009"
targetNamespace="urn:jpeg:jpsearch:schema:collections:2009"
elementFormDefault="qualified" attributeFormDefault="unqualified">
<import namespace="urn:jpeg:jpsearch:schema:coremetadata:2009"
schemaLocation="jpcore.xsd"/>
7.1.2
7.1.2.1
Root element (Collections)
Introduction
The Collections element serves as the root element of the collection metadata schema. The root element
shall be used as the topmost element when collections metadata appears in an independent way. This applies
when collections metadata appears within the top-level metabox of the binary file format.
7.1.2.2
Syntax
<element name="Collections" type="jpcls:CollectionsType"/>
© ISO/IEC 2010 – All rights reserved
5
ISO/IEC FCD 24800-5
7.1.2.3
Semantic
Semantics of the Collections element:
Name
Definition
Collections
Serves as the root element of the collection metadata schema.
The root element shall be used as the topmost element when
collections metadata appears in an independent way. This
applies when collections metadata appears within the top-level
metabox of the binary file format.
7.1.2.4
Example
An example for the Collections element is provided below:
<?xml version="1.0" encoding="iso-8859-1"?>
<Collections xmlns="urn:jpeg:jpsearch:schema:collections:2009"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jpcs="urn:jpeg:jpsearch:schema:2009"
xsi:schemaLocation="urn:jpeg:jpsearch:schema:2009
JPSearch_core_schema_v_sardinia.xsd urn:jpeg:jpsearch:schema:collections:2009
JPSearch_collections_schema.xsd" xsi:type="CollectionsType">
<Collection>
<Identifier>Col1</Identifier>
<CreationDate>2009-07-16T10:32:52</CreationDate>
<ModfiedDate>2009-07-16T10:32:52</ModfiedDate>
<Description>The collection number 1</Description>
<WithinCollectionID>Col2</WithinCollectionID>
<WithinCollectionID>Col3</WithinCollectionID>
</Collection>
<Collection>
<Identifier>Col2</Identifier>
<CreationDate>2009-07-16T10:32:52</CreationDate>
<ModfiedDate>2009-07-16T10:32:52</ModfiedDate>
<Description>The collection number 2</Description>
</Collection>
<Collection>
<Identifier>Col3</Identifier>
<CreationDate>2009-07-16T10:32:52</CreationDate>
<ModfiedDate>2009-07-16T10:32:52</ModfiedDate>
<Description>The collection number 3</Description>
</Collection>
</Collections>
7.1.3
7.1.3.1
CollectionsType
Introduction
The CollectionsType type serves as the root element of the collection metadata part of the metadata
interchange format schema in Clause 5.2.
7.1.3.2
Syntax
<complexType name="CollectionsType">
<sequence>
6
© ISO/IEC 2010 – All rights reserved
ISO/IEC FCD 24800-5
<element name="Collection" type="jpcls:CollectionType"
minOccurs="0" maxOccurs="unbounded"/>
</sequence>
</complexType>
7.1.3.3
Semantic
Semantics of the PersonNameType type:
Name
CollectionsType
7.1.4
7.1.4.1
Definition
Serves as the root element of the collection metadata part of the
metadata interchange format schema in Clause 5.2.
CollectionType
Introduction
The CollectionType type allows expressing metadata related to one image collection. It includes
descriptive elements from the JPSearch Core Schema in Part 2.
7.1.4.2
Syntax
<complexType name="CollectionType">
<sequence>
<element name="Identifier" type="anyURI"/>
<element name="Creators" type="jpcs:PersonNameType"
minOccurs="0" maxOccurs="unbounded"/>
<element name="Modifiers" type="jpcs:PersonNameType"
minOccurs="0" maxOccurs="unbounded"/>
<element name="CreationDate" type="dateTime"/>
<element name="ModfiedDate" type="dateTime"/>
<element name="Description" type="string"/>
<element name="Keyword" type="string" minOccurs="0"
maxOccurs="unbounded"/>
<element name="Title" type="string" minOccurs="0"/>
<element name="WithinCollectionID" type="anyURI" minOccurs="0"
maxOccurs="unbounded"/>
<element name="TrackIDRef" type="jpcls:int32"
maxOccurs="unbounded"/>
</sequence>
</complexType>
<simpleType name="int32">
<restriction base="nonNegativeInteger">
<minInclusive value="0"/>
<maxInclusive value="4294967295"/>
</restriction>
</simpleType>
7.1.4.3
Semantic
Semantics of the CollectionType type:
Name
© ISO/IEC 2010 – All rights reserved
Definition
7
ISO/IEC FCD 24800-5
CollectionType
Identifier
Modifiers
Creators
CreationDate
ModfiedDate
Description
Keyword
Title
WithinCollectionID
TrackIDRef
Specifies information for a collection.
Describes an identifier of the collection in the form of a
URI. The identifier must be unique.
Describes a modifier’s name or a list of names who
changed the original collection resulting in the creation
of the collection (optional).
Describes a person’s name or a list of the names who
created the collection or made contributions in the
creation of the collection (optional).
Describes the date when the collection is created.
Describes the date when the collection is modified.
Specifies the content of the collection in the form of
text.
Describes a list of keywords that characterize the
collection (optional).
Describes the title of the collection (optional).
Describes the identifier of another collection to which
this collection belongs. Collections, as images, can
also belong to 1 or more collections.
Describes the identifier for the tracks which belong to
this specific collection
7.2 JPSearch XML metadata interchange format schema
This clause specifies the schema that facilitates the interchange of XML metadata descriptions about images
and collections. The following description tools are specified: The type hierarchy of the schema and the root
element.
7.2.1
Wrapper of the schema
The Syntax defined in this part assumes the following schema wrapper.
<schema xmlns="http://www.w3.org/2001/XMLSchema"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:jpxif="urn:jpeg:jpsearch:jpxif:2009"
xmlns:jpcs="urn:jpeg:jpsearch:schema:coremetadata:2009"
xmlns:jpcls="urn:jpeg:jpsearch:schema:collections:2009"
targetNamespace="urn:jpeg:jpsearch:jpxif:2009" elementFormDefault="qualified">
<import namespace="urn:jpeg:jpsearch:schema:coremetadata:2009"
schemaLocation="jpcore.xsd"/>
<import namespace="urn:jpeg:jpsearch:schema:collections:2009"
schemaLocation="JPSearch_collections_schema.xsd"/>
7.2.2
7.2.2.1
Root element (ImageBox)
Introduction
The ImageBox element serves as the root element of the XML metadata interchange format schema. It
corresponds to the movie box as defined in the ISO base media file format (ISO/IEC 15444-12).
7.2.2.2
Syntax
<element name="ImageBox" type="jpxif:ImageBoxType"/>
8
© ISO/IEC 2010 – All rights reserved
ISO/IEC FCD 24800-5
7.2.2.3
Semantic
Semantics of the ImageBox element:
Name
ImageBox
7.2.2.4
Definition
Serves as the root element of the XML metadata interchange
format schema.
Example
An example for the ImageBox element is provided below:
<?xml version="1.0" encoding="iso-8859-1"?>
<ImageBox xmlns="urn:jpeg:jpsearch:jpxif:2009"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jpcs="urn:jpeg:jpsearch:schema:2009"
xmlns:jpcls="urn:jpeg:jpsearch:schema:collections:2009"
xsi:schemaLocation="urn:jpeg:jpsearch:jpxif:2009
JPSearch_XML_data_interchange_format.xsd urn:jpeg:jpsearch:schema:2009
JPSearch_core_schema_v_sardinia.xsd urn:jpeg:jpsearch:schema:collections:2009
JPSearch_collections_schema.xsd">
<CollectionsMediaBox>
<Collections>
<jpcls:Collection>
<jpcls:Identifier>Col1</jpcls:Identifier>
<jpcls:CreationDate>2009-07-16T10:32:52</jpcls:CreationDate>
<jpcls:ModfiedDate>2009-07-16T10:32:52</jpcls:ModfiedDate>
<jpcls:Description>The collection number 1</jpcls:Description>
<jpcls:WithinCollectionID>Col2</jpcls:WithinCollectionID>
<jpcls:WithinCollectionID>Col3</jpcls:WithinCollectionID>
</jpcls:Collection>
<jpcls:Collection>
<jpcls:Identifier>Col2</jpcls:Identifier>
<jpcls:CreationDate>2009-07-16T10:32:52</jpcls:CreationDate>
<jpcls:ModfiedDate>2009-07-16T10:32:52</jpcls:ModfiedDate>
<jpcls:Description>The collection number 2</jpcls:Description>
</jpcls:Collection>
<jpcls:Collection>
<jpcls:Identifier>Col3</jpcls:Identifier>
<jpcls:CreationDate>2009-07-16T10:32:52</jpcls:CreationDate>
<jpcls:ModfiedDate>2009-07-16T10:32:52</jpcls:ModfiedDate>
<jpcls:Description>The collection number 3</jpcls:Description>
</jpcls:Collection>
</Collections>
</CollectionsMediaBox>
<TrackBox>
<ItemMediaBox>
<FilePath>Image1.jpg</FilePath>
</ItemMediaBox>
<ItemMetaBox>
<JPSearchCore>
<jpcs:Identifier>Image1</jpcs:Identifier>
<jpcs:Publisher>
<jpcs:PersonName>
<jpcs:GivenName>Tester</jpcs:GivenName>
</jpcs:PersonName>
</jpcs:Publisher>
<jpcs:CreationDate>2009-07-16T10:32:52</jpcs:CreationDate>
<jpcs:ModfiedDate>2009-07-16T10:32:52</jpcs:ModfiedDate>
© ISO/IEC 2010 – All rights reserved
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ISO/IEC FCD 24800-5
<jpcs:Description>Image number 1</jpcs:Description>
<jpcs:Source>
<jpcs:RefID/>
<jpcs:Relation/>
</jpcs:Source>
<jpcs:PreferenceValue>1</jpcs:PreferenceValue>
<jpcs:Rating/>
</JPSearchCore>
</ItemMetaBox>
</TrackBox>
<TrackBox>
<ItemMediaBox>
<FilePath>Image1.jpg</FilePath>
</ItemMediaBox>
<ItemMetaBox>
<JPSearchCore>
<jpcs:Identifier>Image1</jpcs:Identifier>
<jpcs:Publisher>
<jpcs:PersonName>
<jpcs:GivenName>Tester</jpcs:GivenName>
</jpcs:PersonName>
</jpcs:Publisher>
<jpcs:CreationDate>2009-07-16T10:32:52</jpcs:CreationDate>
<jpcs:ModfiedDate>2009-07-16T10:32:52</jpcs:ModfiedDate>
<jpcs:Description>Image number 1</jpcs:Description>
<jpcs:RightsDescription/>
<jpcs:Source>
<jpcs:RefID/>
<jpcs:Relation/>
</jpcs:Source>
<jpcs:PreferenceValue>1</jpcs:PreferenceValue>
<jpcs:Rating/>
<jpcs:OriginalImageIdentifier/>
</JPSearchCore>
</ItemMetaBox>
</TrackBox>
</ImageBox>
7.2.3
7.2.3.1
ImageBoxType
Introduction
The ImageBoxType type allows expressing metadata related to images and image collections. It is
composed by zero-to-many CollectionsMetaBox elements, and one-to-many TrackBox elements. It
corresponds to the movie box type as defined in the ISO base media file format (ISO/IEC 15444-12).
7.2.3.2
Syntax
<complexType name="ImageBoxType">
<sequence>
<element name="CollectionsMetaBox"
type="jpxif:CollectionsMetaBoxType" minOccurs="0"/>
<element name="TrackBox" type="jpxif:TrackBoxType"
maxOccurs="unbounded"/>
</sequence>
</complexType>
10
© ISO/IEC 2010 – All rights reserved
ISO/IEC FCD 24800-5
7.2.3.3
Semantic
Semantics of the ImageBoxType type:
Name
ImageBoxType
CollectionsMetaBox
TrackBox
7.2.4
7.2.4.1
Definition
Allows expressing metadata related to images and image
collections. It is composed by zero-to-many
CollectionsMetaBox elements, and one-to-many TrackBox
elements.
Zero or more elements from the CollectionsMetaBoxType.
One or more elements from the TrackBoxType.
CollectionsMetaBoxType
Introduction
The CollectionsMetaBoxType type allows expressing metadata related to image collections. It is
composed by multiple Collection elements from the CollectionType defined in the JPSearch
collection metadata schema.
7.2.4.2
Syntax
<complexType name="CollectionsMetaBoxType">
<sequence>
<element name="Collection" type="jpcls:CollectionType"
maxOccurs="unbounded"/>
</sequence>
</complexType>
7.2.4.3
Semantic
Semantics of the CollectionsMetaBoxType type:
Name
CollectionsMetaBoxType
7.2.5
7.2.5.1
Definition
Allows expressing metadata related to image collections.
It is composed by multiple Collection elements from
the CollectionType defined in the JPSearch collection
metadata schema.
TrackBoxType
Introduction
The TrackBoxType type allows expressing metadata related to one image.
7.2.5.2
Syntax
<complexType name="TrackBoxType">
<sequence>
<element name="TrackHeaderBox"
type="jpxif:TrackHeaderBoxType"/>
<element name="ItemMediaBox" type="jpxif:ItemMediaBoxType"/>
<element name="ItemMetaBox" type="jpxif:ItemMetaBoxType"
minOccurs="0" maxOccurs="unbounded"/>
</sequence>
© ISO/IEC 2010 – All rights reserved
11
ISO/IEC FCD 24800-5
</complexType>
7.2.5.3
Semantic
Semantics of the TrackBoxType type:
Name
Definition
TrackBoxType
TrackHeaderBox
ItemMediaBox
ItemMetaBox
Allows expressing metadata related to one image.
One element from the TrackHeaderBoxType.
One element from the ItemMediaBoxType.
Zero or more elements from the ItemMetaBoxType.
7.2.6
7.2.6.1
TrackHeaderBoxType
Introduction
The TrackHeaderBoxType type allows.
7.2.6.2
Syntax
<complexType name="TrackHeaderBoxType">
<attribute name="TrackID" type="jpcls:int32" use="required"/>
<attribute name="creationTime" type="jpxif:int64"
use="required"/>
<attribute name="modificationTime" type="jpxif:int64"
use="required"/>
<attribute name="duration" type="jpxif:int64" use="required"/>
<attribute name="version" type="jpxif:int4" default="0"/>
<attribute name="width" type="jpcls:int32" use="required"/>
<attribute name="height" type="jpcls:int32" use="required"/>
<attribute name="layer" type="jpxif:int16" use="optional"
default="0"/>
<attribute name="alternate_group" type="jpxif:int16"
use="optional" default="0"/>
<attribute name="matrix" type="jpxif:int32Matrix3x3"
use="optional"/>
</complexType>
<simpleType name="int4">
<restriction base="nonNegativeInteger">
<minInclusive value="0"/>
<maxInclusive value="15"/>
</restriction>
</simpleType>
<simpleType name="int16">
<restriction base="nonNegativeInteger">
<minInclusive value="0"/>
<maxInclusive value="65535"/>
</restriction>
</simpleType>
<simpleType name="int64">
<restriction base="nonNegativeInteger">
<minInclusive value="0"/>
<maxInclusive value="18446744073709551615"/>
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© ISO/IEC 2010 – All rights reserved
ISO/IEC FCD 24800-5
</restriction>
</simpleType>
<simpleType name="int32Matrix">
<list itemType="jpcls:int32"/>
</simpleType>
<simpleType name="int32Matrix3x3">
<restriction base="jpxif:int32Matrix">
<length value="9"/>
</restriction>
</simpleType>
7.2.6.3
Semantic
The TrackHeaderBoxType is defined in subclause 8.3.2 in ISO/IEC 15444-12 and specifies the
characteristics of a single image. Semantics of the TrackBoxType type:
Name
Definition
TrackHeaderBoxType
Basic metadata describing attributes of specified item by
TrackID
an integer that declares the creation time of this track (in
seconds since midnight,Jan. 1, 1904, in UTC time)
an integer that declares the most recent time the track was
modified (in seconds since midnight, Jan. 1, 1904, in UTC
time)
an integer that uniquely identifies this track over the entire lifetime of this presentation. Track IDs are never re-used and
cannot be zero within a XML.
an integer that indicates the duration of this track
Creation_time
Modification_time
TrackID
Duration
Layer
AlternateGroup
Volume
Matrix
Width, Height
© ISO/IEC 2010 – All rights reserved
the front-to-back ordering of video tracks; tracks with lower
numbers are closer to the viewer. 0 is the normal value, and -1
would be in front of track 0, and so on.
an integer that specifies a group or collection of tracks. If this
field is 0 there is no information on possible relations to other
tracks. If this field is not 0, it should be the same for tracks
that contain alternate data for one another and different for
tracks belonging to different such groups. Only one track within
an alternate group should be played or streamed at any one
time, and must be distinguishable from other tracks in the
group via attributes such as bitrate, codec, language, packet
size etc. A group may have only one member.
a fixed 8.8 value specifying the track's relative audio volume.
Full volume is 1.0 (0x0100) and is the normal value. Its value is
irrelevant for a purely visual track. Tracks may be composed by
combining them according to their volume, and then using the
overall Movie Header Box volume setting; or more complex
audio composition (e.g. MPEG-4 BIFS) may be used.
a transformation matrix for the video; (u,v,w) are restricted here
to (0,0,1), hex (0,0,0x40000000).
specify the track's visual presentation size as fixed-point 16.16
values. These need not be the same as the pixel dimensions of
the images, which is documented in the sample description(s);
all images in the sequence are scaled to this size, before any
overall transformation of the track represented by the matrix.
The pixel dimensions of the images are the default values.
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ISO/IEC FCD 24800-5
7.2.7
7.2.7.1
ItemMediaBoxType
Introduction
The ItemMediaBoxType type allows linking between metadata and each corresponding internal or external
resource when used within the binary file format, or just external resources when used within the XML
metadata interchange format.
7.2.7.2
Syntax
<complexType name="ItemMediaBoxType">
<choice>
<element name="InlineMedia">
<complexType>
<choice>
<element name="MediaData16" type="hexBinary"/>
<element name="MediaData64" type="base64Binary"/>
</choice>
</complexType>
</element>
<sequence>
<element name="MediaUri" type="anyURI"/>
<element name="TargetTrackID" type="jpcls:int32"
minOccurs="0"/>
</sequence>
</choice>
</complexType>
7.2.7.3
Semantic
Semantics of the ItemMediaBoxType type:
Name
Definition
ItemMediaBoxType
allows linking between metadata and each corresponding
internal or external resource
an instance of an image codestream encoded in hex binary or
base64 binary format
unique identifier of a single image within an external file
identified by MediaUri when multiple images are supported by
the referenced file format
describes where the image file (to which these metadata refer)
is located.
InlineMedia
TargetTrackID
MediaUri
7.2.8
7.2.8.1
ItemMetaBoxType
Introduction
The ItemMetaBoxType type allows expressing metadata related to one image (item level). It includes
descriptive elements from the JPSearch Core Schema in Part 2, but also offers the possibility to include
metadata formalized according to external or user-defined schemas (e.g. MPEG-7).
7.2.8.2
Syntax
<complexType name="ItemMetaBoxType">
<sequence>
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© ISO/IEC 2010 – All rights reserved
ISO/IEC FCD 24800-5
<choice>
<element name="JPSearchCore" type="jpcs:JPSearchCoreType"/>
<!-- Other metadata schemas, MPEG-7, etc. -->
<element name="AnyDescription">
<complexType mixed="true">
<sequence>
<any namespace="##any"/>
</sequence>
</complexType>
</element>
</choice>
</sequence>
</complexType>
7.2.8.3
Semantic
Semantics of the ItemMetaBoxType type:
Name
Definition
ItemMetaBoxType
allows expressing metadata related to one image (item level). It
includes descriptive elements from the JPSearch Core Schema
in Part 2, but also offers the possibility to include metadata
formalized according to external or user-defined schemas (e.g.
MPEG-7).
it includes descriptive elements from the JPSearch Core
Schema in Part 2.
allows expressing metadata formalized according to JPSearch
registered schemas.
JPSearchCore
AnyDescription
© ISO/IEC 2010 – All rights reserved
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