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INSTITUTE ofInformation Systems &

Information Management

JOANNEUM RESEARCH

PRESTO Meeting

Broadcast OPACFormat Conversion

Gert Kienast

Harald Mayer

Sept. 19-21, 2001

BBC, London

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OPAC Objectives— Solution description

— D3.1 Existing and Emerging Technologies

— D3.2 System Specifications

— Promote the use of simple ‘core metadata’

— enabling ‘core interoperability’

— based on Dublin Core, keeping native records

— based on work of Scandinavian A/V metadata group

— mapping of legacy and complex descriptions

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OPAC - Architecture

Audio

Video Metadata

Audio MetadataHTTP / HTML

Firewall

ArchiveM

eta

da

ta

VideoEs

se

nc

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OP

AC

Ser

ver

HT

TP

XM

L

XML / MPEG-7

WebBrowser

ClientApplication

User's world

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OPAC Services / 1— Search and retrieval

— attribute search find all documentaries on Bill Clinton aired in year 2000

— full text search find everything on the PRESTO project

— Browsing

— lists of artists, places, topics, genres, ...

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OPAC Services / 2— User registration / management

— Interfaces

— HTTP / HTML - simple web-interface

— standardised interfacee.g. XML (supporting the MPEG-7 standard)for application developerssystem-to-system communication

— Multi-language support

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Current Status— Interface to NZDL

— Test data from BBC (1 million data sets)

— Test data from ORF

— Ongoing work

— OPAC interface to database (Oracle, MS SQL Server)

— User management / profiles

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OPAC Web Interface Demo

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Demo: Result Overview

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Demo: Records Retrieval

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Demo: Display Record

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Proof of Concept Environment— Platform independent

— JAVA on Linux and Windows

— Application Server (IBM Websphere, Enhydra)

— JAVA Servlets and JSP

— Data sources

— NZDL; Oracle, Web services

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TimetableNr. Vorgangsname1

2

3 T7.3 Standardised Access

4 Proof of Concept

5 Metadata Profile

6 Aggregation Layer

7 HTML Interface

8 SOAP Interface

9 Data Sources

10

11 T8.2 Testing Key Links

12 Integration of Data Sources

13

14

15 Important Dates and Milestones

16 PM 1 Start

17 PM 7

18 PM 14

19 PM 17 End

20 PM 21 End

21 Rome

22 Bry sur Marne

23 London

01.09.

01.03.

01.10.

31.01.

31.05.

15.02.

14.06.

20.09.

Aug Sep Okt Nov Dez Jan Feb Mrz Apr Mai Jun Jul Aug Sep Okt Nov Dez Jan Feb Mrz Apr Mai Jun Jul Aug2000 2001 2002

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Workpackage 5Task 5.3:

Key Link

Lifecycle for ‘Digital Film’ using the Concept of ‘Single Digital Master’ for Multiple Output

Formats

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StatusFilm Format Converter

— Research on State-of-the-art

— Specification of Image Sequence Sampling Format (ISSF)

— Specification of resampler

— ISSF implementation

— Resampler implementation

— Time and quality evaluation

— Additional Issue:Motion estimation, Occlusion detection

Ready

Ready, 3D data structure defined, SW interfaces specified

Algorithm selected, SW Spec. now

— Start: begin of oct.

— Start: begin of oct.

— Start Nov. on sub-components

— Was not planned inside Presto, but we found it is essential for proper work.If budget and progress allows we will investigate closer.

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TimetableNr. Vorgangsname1

2

3 T5.3 Single Digital Master Concept

4 Research on State-of-the-Art

5 Specification of ISSF and Resampler

6 Implementation ISSF

7 Implementation Resampler

8 Time and Quality Evaluation

9

10 T8.1 Key Links Technology Tests

11 Technology Test

12

13

14 Important Dates and Milestones

15 PM 1 Start

16 PM 7

17 PM 14

18 PM 17 End

19 PM 21 End

20 Rome

21 Bry sur Marne

22 London

01.09.

01.03.

01.10.

31.01.

31.05.

15.02.

14.06.

20.09.

Aug Sep Okt Nov Dez Jan Feb Mrz Apr Mai Jun Jul Aug Sep Okt Nov Dez Jan Feb Mrz Apr Mai Jun Jul Aug2000 2001 2002

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Process Diagramcut detection

hierarchical motionestimation

motion vectorpostprocessing

motioncompensated de-

interlacing

spatial anti-aliasfiltering

3D resampling,aspect ratio

conversion andoptional interlacing

pulldownelimination

gamma correctcolor spaceconversion

hierarchical motionestimation

motion vectorpostprocessing

file input

file output

interlaced

progressive

field separation

field weaving

Preprocessing Cut and pulldown handling

Sampling structure conversion

Postprocessing... ISSF unit