EVA Florence, 2004 Copyright Fratelli Alinari, 2004 1

Jpeg 2000: Benchmarking Overview

Andrea de Polo

EVA Florence, 2004 Copyright Fratelli Alinari, 2004 2

OBJECTIVE

• Jpeg 2000 industry status

• Jpeg 2000 and Alinari (including 2Kan)

• Jpeg 2000 benchmarking initiative:A. OBJECTIVESB. SPECS

• What’s next?

EVA Florence, 2004 Copyright Fratelli Alinari, 2004 3

What is Wavelet compression

3-level wavelet decomposition

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Scalability

• JPEG 2000 is scaleable in both SNR and resolution.

– Example 1: Using JPEG 2000, a picture stored on a server has lower resolution versions embedded in the compressed data. If you wanted to view an image on a remote PDA, a lower resolution image would be extracted. No transcoding is required. If you wanted to zoom in on a part of the image, additional information would be downloaded from the image file. Resending a higher resolution version of the image is not required. Only the additional information needed to make a higher resolution version is extracted and

added to the local image data.

Example of resolution progressive bit-stream ordering

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JPEG 2000 INDUSTRY STATUS

• Since January 2003 J2K has being introduced to the market

• Additional vendors are yet standing by (HP, Kodak, etc…)

AdobeApple

Kakadu Jasper

AlgovisionAware

LeadToolsPegasus

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JPEG 2000 AND ALINARI VISION

• Jpeg 2000 has just way too many bells versus other file formats…

• Now hard to work without it!

• Alinari ready to jump into it by January 2004…

• 2Kan experienceMass market

photography

dtp

Military andMedicine

CH

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Jpeg 2000 benchmarking initiative

• Started in March 2003

• First report November 5th, 2003

• Final report 31 December 2003

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J2K BENCH: OBJECTIVE

Initiative focusInitiative focus

Quick adoption by major players

Quick adoption by major players

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Quick adoption in the industry

Quick adoption in the industry

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promotion

promotion

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EVA Florence, 2004 Copyright Fratelli Alinari, 2004 9

J2K: BENCH SPECIFICATIONS

• Technical test: LabView, MatLab, etc…

A. PSNRB. Codec timingC. Sw overall performancesD. Image quality

• Visual and Subjective test:A. Different usersB. Visual differences

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Motion JPEG 2000– Motion JPEG will be used in application environments where scalability, high

quality, lossless coding and error resilience are required – digital photography, security, medical imaging, image databases and mobile appliances. It is important to understand that in most cases Motion JPEG 2000 will not compete with the MPEG standards

– In order to maintain as much as possible areas of compatibility between MPEG and JPEG, the MP4 file format was chosen for Motion JPEG 2000. The MP4 file format is used in MPEG 4 and is derived from Quicktime.

WG 1WG 1(JPEG)(JPEG)

WG 11WG 11(MPEG)(MPEG)

JPEG 2000JPEG 2000

Part 1 - JP2Part 1 - JP2

Part 3 - MJP2 (motion)Part 3 - MJP2 (motion)

MPEG 4MPEG 4

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Future of JPEG 2000• The JPEG 2000 standard is continuing to

evolve.– In 2002 work on new parts begin, which use the benefits of the overall approach and support the basic

core system in special fields of application.

• Liasons with other standardisation comittees make sure of compatibility.

– MJP2 for Digital Cinema Archive - (MPEG)

– Inter-frame coding (MPEG and JPEG)

– Streaming for JPEG 2000 codestreams (IETF)

Part8: JPSEC(Secure JPEG2000)

Part9: JPIP(Interactive Prot.)

Part10: JP3D(3-D Extensions)

Part11: JPWL(Wireless)

EVA Florence, 2004 Copyright Fratelli Alinari, 2004 12

WHAT’S NEXT?

• Alinari Photo Archive conversion starting on April 2004!

• Goal: to see Jpeg 2000 become a de-facto industry standards soon as Spring 2004

• Sharing benchmarking experience and knowledge with all of you!

EVA Florence, 2004 Copyright Fratelli Alinari, 2004 13

THANK YOU !

SEE YOU ONLINE:-)

ANDREA DE POLO

ANDREA@ALINARI.IT