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Image Annotation on the Semantic Web: Tools Overview
Status: this document is no longer actively maintained. Please update your links to
point to
the new version maintained by the W3C Multimedia Semantics Incubator Group.
This document is based on unfinished work performed in the context
of the multimedia task force of the W3C Semantic Web Best
Practices and Deployment Working Group. All information
provided here serves purely as a list of examples, and inclusion
on this page does not imply endorsement by the W3C membership or
the Working Group.
This tools collection was developed in the context of
Image annotation on the Semantic Web.
-
flickr2rdf This Web-based service uses Flickr API to
extract metadata from Flickr's photo repository, and generates
an RDF description.Flickr is an online photo management and
sharing application in which users can upload their photos
and also annotate them (http://www.flickr.com/).The
flick2rdf Web-based service converts mainly the tags of a
flickr image metadata to FOAF
(Friend of a Friend) RDF by Masahide Kanzaki.
| Type
of content
|
Images
|
| Type
of metadata
|
Administrative
|
| Format
of metadata
|
FOF RDF
|
| Annotation
Level
|
Free
|
| Operation
mode
|
Web Based
|
| Licence
conditions
|
Limited/Flickr API
|
| Collaborative
or Individual
|
Individual
|
| Granularity
|
Segment based
|
| Threaded or
unthreaded |
Unthreaded
|
| Access
control
|
Yes
|
- jpegRDF
Open source java tool by Norman Walsh. JpegRDF reads and manipulates
RDF metadata stored in the comment section of JPEG images. It can
extract, query, and augment the data. Manipulating JPEG images with
jpegrdf does not modify the actual image data or any other sections of
the file.Ending JpegRDF can also be used to convert EXIF to RDF.
| Type
of content |
Images |
| Type
of metadata |
Administrative/ Stuctural
|
| Format
of metadata |
RDF |
| Annotation
Level |
Free |
| Operation
mode |
Stand Alone
|
| Licence
conditions |
Open source
|
| Collaborative
or Individual |
Individual
|
| Granularity |
File based
|
| Threaded or
unthreaded |
Unthreaded
|
| Access
control |
Yes
|
- M-OntoMat-Annotizer
(M stands for Multimedia) is a user-friendly tool developed inside the aceMedia project that allows the
semantic annotation of images and videos for multimedia analysis and
retrieval. It is an extension of the CREAM (CREAting Metadata for the
Semantic Web) framework and its reference implementation,OntoMat-Annotizer.
The Visual Descriptor Extraction Tool (VDE) was developed as a
plug-in to OntoMat-Annotizer and is the core component for extending
its capabilities and supporting the initialization and linking of
RDF(S) domain ontologies with low-level MPEG-7 visual descriptors.
| Type
of content |
Images and Videos
|
| Type
of metadata |
All
|
| Format
of metadata |
RDF
|
| Annotation
Level |
Controlled
|
| Operation
mode |
Stand alone
|
| Licence
conditions |
Limited
|
| Collaborative
or Individual |
Collaborative
|
| Granularity |
Segment based
|
| Threaded or
unthreaded |
Threaded
|
| Access
control |
No
|
- PHP JPEG
Metadata Toolkit The PHP JPEG Metadata Toolkit is a library of
functions which allows manipulation of many types of metadata that
reside in a JPEG image file. It's main advantages are that it has been
tested with over 450 popular digital cameras, it provides access to
lots of metadata for which php has no built in support, it works with
many files that have corrupted metadata and it can also work with
PHP4 and does not require the enable exif extension.
| Type
of content |
Images
|
| Type
of metadata |
Administrative/Structural
|
| Format
of metadata |
RDF
|
| Annotation
Level |
Free
|
| Operation
mode |
Stand alone
|
| Licence
conditions |
Open source
|
| Collaborative
or Individual |
Individual
|
| Granularity |
File based
|
| Threaded or
unthreaded |
Unthreaded
|
| Access
control |
Yes
|
- PhotoStuff.
This image annotation tool for the Semantic Web allows to annotate
images and contents of specific regions in images according to several
OWL ontologies of any domain. Moreover, the metadata embedded inside
the JPEG files are converted into RDF. The annotations can then be
published and shared on the Web.
| Type
of content |
Images
|
| Type
of metadata |
All
|
| Format
of metadata |
RDF
|
| Annotation
Level |
Free
|
| Operation
mode |
Stand alone
|
| Licence
conditions |
Open source
|
| Collaborative
or Individual |
Individual
|
| Granularity |
Segment based
|
| Threaded or
unthreaded |
Threaded
|
| Access
control |
Yes
|
- SWAD
The tool is written in Javascript and uses RESTful web services to
access remote information. It is designed to be a quick and easy means
of creating structured information about images, including who or what
is depicted in the image; where and when it was created; creator and
licensing information. The aim is to create and enable the reuse of
alternative formats for both text and images for use in an
accessibility context, although the potential application is much wider.
| Type
of content |
Images
|
| Type
of metadata |
Administrative
|
| Format
of metadata |
RDF
|
| Annotation
Level |
Free
|
| Operation
mode |
Web Based
|
| Licence
conditions |
Limited
|
| Collaborative
or Individual |
Individual
|
| Granularity |
File based
|
| Threaded or
unthreaded |
Unthreaded
|
| Access
control |
Yes
|
- SCHEMA This
tool integrates a non-normative part of the MPEG-7 standard and the
MPEG-7 XM software, for extracting, coding and storing in the database
standardized descriptors based on the output of the analysis modules.
The system can also support high level (semantic) descriptors and the
integration of visual media indexing and retrieval with other
modalities (like text and audio based indexing and retrieval).
-
AKTive Media -
Ontology based annotation system
AKtive Media is an ontology based multimedia annotation (Images and Text) system. The goal is to automate the process of annotation by suggesting knowledge to the user in an interactive way while the user is annotating and hence minimizing user effort. The system actively works in the background, interacting with web services and queries a central annotational store to look for context specific knowledge.
-
Annodex
Annodex is an open standards based technology that extends the World
Wide Web's hyperlinking, searching, and compositing infrastructure to
time-continuous data, enabling video surfing, searching for clips of
audio and video files using ordinary Web search engines, and on-the-fly
composition of a video on a Web server from previously annodexed clips.
-
Squiggle Ski
A semantic search engine for finding images of Alpine Ski Athletes powered by CEFRIEL's semantic
search engine, Squiggle. A simple way to understand the power of the service offered by Squiggle Ski is searching for "libera" which is the Italian word for the Alpine Ski "downhill" discipline. Only 33 results are retuned, but if you click on the "downhill" link in the "did you mean..." box, you get 515 hits and the explanation of the results.
-
AKTive Media -
Ontology based annotation system
AKtive Media is an ontology based multimedia annotation (Images and Text) system. The goal is to automate the process of annotation by suggesting knowledge to the user in an interactive way while the user is annotating and hence minimizing user effort. The system actively works in the background, interacting with web services and queries a central annotational store to look for context specific knowledge.
-
Advene
Advene (Annotate Digital Video, Exchange on the NEt) is an ongoing project in the LIRIS laboratory (UMR 5205 CNRS) at University Claude Bernard Lyon 1. It aims at providing a model and a format to share annotations about digital video documents (movies, courses, conferences...), as well as tools to edit and visualize the hypervideos generated from both the annotation and the audiovisual document.
-
Net-Flickr-Backup-2.6 The Net-Flickr-Backup-2.6 is a Perl-based OOP module for backing up Flickr photos locally. It can also generate and store a RDF description for each photograph.