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Media Representation Standards in the Age of AI - Delivering Trustworthy Digital Content for Humans and Machines - Workshop Announcement

2026-06-19T00:00:00Z

JPEG Workshop/2026 Cycle 1 IEEE SPS Chapter Initiative

Context

The advent of Artificial Intelligence is fundamentally transforming the way visual information is represented, compressed, transmitted, authenticated, and consumed. Learning-based media coding, generative AI, and machine-oriented representations are redefining the traditional boundaries of multimedia systems, while simultaneously raising new challenges related to trustworthiness, authenticity, interoperability, and regulatory compliance.

As AI becomes an integral part of media representation, international standards play a fundamental role in ensuring that emerging technologies remain interoperable, reliable, and widely deployable. Recent developments such as learning-based image and point cloud coding, coding for machines, and media authenticity frameworks illustrate how standardization is evolving to address both technical innovation and societal needs. The JPEG Committee has been leading this transformation through the development of next-generation standards such as JPEG AI, JPEG Pleno PCC, and JPEG Trust.

This workshop brings together researchers, industry experts, policymakers, and members of the international standardization community to discuss recent advances in AI-based media representation technologies and their implications for future multimedia systems.

The event is co-organized by the Portuguese Chapter of the IEEE Signal Processing Society (IEEE SPS) within the framework of the IEEE SPS Member-Driven Initiative Program.

Practical information

Date: Wednesday, July 8, 2026
Time: 14:00 – 18:00 WEST (13:00 – 17:00 UTC)
Venue: ESTG, Polytechnic University of Leiria, Campus 2 Building D, Room DS 1.01
Link for Hybrid Attendance: Zoom
Registration (free but mandatory): Register
Workshop webpage: workshop webpage

Program

14:00 – 14:15: Opening Addresses
14:15 – 15:30: Session 1 - AI-Based Media Coding: Standards and Innovations
- João Ascenso, Instituto Superior Técnico - Universidade de Lisboa, Instituto de Telecomunicações, Portugal.
- Ivan Bajíc, Simon Frazer University, Canada.
- Jona Ballé, Fraunhofer HHI, Germany.
15:30 – 16:00: Coffee Break & Networking
16:00 – 17:15: Session 2 - Trust, Metadata, and Authenticity in the AI Era
- Frederik Temmermans, Vrije Universiteit Brussel, Belgium.
- Mário Campolargo, Universidade de Aveiro, Portugal.
- Carlos Pires, European Commission.
17:15 – 18:00: Session 3 – Round table – Trustworthy Content in the Age of AI: Opportunities, Risks, and Responsibilities
- Fernando Pereira (Moderator) - Instituto Superior Técnico - Universidade de Lisboa, Instituto de Telecomunicações, Portugal.
- Touradj Ebrahimi – École Polytechnique Fédérale de Lausanne, Switzerland.
- Mário Campolargo – Universidade de Aveiro, Portugal.
- Nuno Guimarães - ISCTE - Instituto Universitário de Lisboa, Portugal.

The program includes a networking dinner, providing participants a unique opportunity to connect informally with JPEG experts and fellow researchers.

For more information, including a detailed version of the program, please consult the Workshop website.

Organising Committee

Nuno Rodrigues (IPLeiria/IT | PT)
Touradj Ebrahimi (EPFL | CH)
João Ascenso (IST-UL/IT | PT)
Frederik Temmermans (VUB | BE)
Eduardo Da silva (UFRJ | BR)
Antonio Pinheiro (UBI/IT | PT)
Stuart Perry (UTS | AU)
Peter Schelkens (VUB | BE)
Fernando Pereira (IST-UL/IT | PT)

More information

Interested parties are invited to join the JPEG activities. Information on how to participate is available on the JPEG Website in the Participate section. Information can be found on JPEG membership and the various Ad Hoc Groups. Regularly consult the JPEG.org website for the latest news.

111th Meeting – Online - JPEG DNA reaches Draft International Standard stage at the 111th JPEG meeting

2026-06-08T00:00:00Z

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JPEG DNA reaches Draft International Standard stage at the 111th JPEG meeting

The 111th JPEG meeting was held in virtual mode from 13 to 17 April 2026.

This meeting was marked by several major achievements. JPEG DNA reached the Draft International Standard (DIS) stage after a successful wet-lab experiment, including DNA synthesis/sequencing that allowed a test of reliability in real conditions. Furthermore, the DIS stage was also reached for JPEG XE, the first International standard for coding of visual events; JPEG Pleno Light Field Quality Assessment, which establishes a model for quality evaluation of encoded light fields; JPEG Trust Media Asset Watermarking, which provides watermarking support to media asset authenticity; and JPEG Trust reference software, which will provide a valuable tool for the development of applications using this family of standards. Furthermore, JPEG Pleno Light Field coding, 2nd edition, reached the Final Draft International Stage.

The following sections summarise the main highlights of the 111th JPEG meeting.

JPEG DNA

At its 111th meeting, the JPEG Committee reached a major milestone with JPEG DNA Part 1 (ISO/IEC 25508-1) advancing to the Draft International Standard (DIS) stage. This achievement marks the culmination of a multi-year standardization effort, beginning with the Final Call for Proposals at the 99th JPEG meeting and proceeding through the creation of the Verification Model at the 102nd meeting, the first Working Draft at the 103rd meeting, the Committee Draft, and the study DIS text produced at the 108th meeting. With DIS now reached, the core technical specification for the efficient coding of images into quaternary representations suitable for archival on DNA synthetic polymers is frozen for the first edition of the standard. The JPEG Committee expects publication of Part 1 an International Standard before the end of 2026.

The DIS milestone was accompanied by the successful completion of wet-lab experiments initiated at the 109th JPEG meeting and whose synthesis and sequencing phases were carried out between the 110th and 111th meetings. The sequenced results from the independent parties have now been delivered to the JPEG Committee and analyzed. The experiments confirmed that the information recorded in the DNA solution was successfully extracted and that the corresponding compressed images were correctly decoded, in accordance with the end-to-end workflow defined in the specification, including biochemical constraints, the recovery mechanism used to cope with the noise introduced by the synthesis and sequencing processes, and the procedures for reading the encoded image information back from the synthesized oligonucleotides. These results provide concrete validation that the current specification of JPEG DNA satisfies the conditions required for applications relying on the current state of the art in DNA synthesis and sequencing and represents the first end-to-end demonstration of the standard on real biological media.

JPEG XE

The joint effort between ITU-T SG21 and ISO/IEC JTC1/SC29/WG1 on JPEG XE is ongoing, with JPEG XE Part 1 ready to become the first of a series of standards for coding of visual events. During its 111th meeting, the JPEG Committee made substantial progress on the ongoing development of the additional JPEG XE Parts 2, 3, 4, and 5. Technical discussions advanced the work on Part 2, which will define Profiles and Levels, as well as a normative buffer model to ensure safe and interoperable decoder operation across implementations. Further enhancements were made to the code of the open source reference software, which will be published under Part 3 as a proof‑of‑concept and conformance testing implementation. Preparatory work commenced for Part 4, which will establish the structure and scope of formal conformance testing and will become the focus during the coming months. Finally, consensus was reached about Part 5, where the JPEG Committee converged on an ISOBMFF‑based file format design supporting efficient storage, streaming, and precise event timestamping. The JPEG Committee, mandated for the joint effort between ISO/IEC/JTC1/SG29 and ITU-T SG21, remains committed to the development of a comprehensive and industry-aligned standard that meets the growing demand for event-based vision technologies. This collaborative approach underscores a shared vision for a unified, international standard to accelerate innovation and interoperability in this emerging field. The JPEG XE joint AHG (ITU-T SG21 and ISO/IEC JTC1 SC29 WG1) was reestablished to continue the JPEG XE standards development. If you are interested, please consider joining this public joint AHG.

JPEG Trust

There have been major advances in all parts of JPEG Trust. Recently, a 2nd edition of JPEG Trust Part 1 - Core Foundation, was published to accommodate assertions for attributions (based on The Dublin Core metadata element set, ISO 15836-1:2017) and declarations of rights (based on the W3C ODRL Information Model 2.2). JPEG Trust Part 2 – Trust profiles and reports extends the framework specified in Part 1 with extended functionalities for Trust Profiles and Trust Reports; it has now entered the DIS stage. JPEG Trust Part 3 – Media asset watermarking, incorporating specific tools and associated assessment methodologies for usage scenarios that rely on invisible watermarking of media assets, has now been released for DIS balloting. The DIS for JPEG Trust Part 4 – Reference Software was also released for balloting; this Part will be extended in the future with additional implementations and test datasets.

A first JPEG Trust Summit is planned on 12-13 November 2026 in London. More information on upcoming events related to JPEG Trust can be found here.

JPEG Pleno

The JPEG Pleno Light Field activity analyzed the DoCR for the Final Draft International Standard (FDIS) of the 2nd edition of ISO/IEC 21794-2 (“Plenoptic image coding system (JPEG Pleno) Part 2: Light field coding”). This 2nd edition integrates AMD1 of ISO/IEC 21794-2 (“Profiles and levels for JPEG Pleno Light Field Coding”) and includes the specification of a third coding mode entitled Slanted 4D Transform Mode and its associated profile. It is expected that at the 112th JPEG meeting this new edition will become an International Standard (IS).

The JPEG committee made significant progress in JPEG Pleno Light Field Quality Assessment (Part 7) activities. Key developments were achieved, including the review and finalization of the DIS text for ISO/IEC 21794-7, which was approved for registration at this meeting. Core experiments on light field quality assessment were presented and discussed, contributing to the validation of subjective testing frameworks and the further development of objective metrics, including improvements to learning-based approaches.

JPEG XS

JPEG XS, the image and video compression format for transmitting visually lossless, high-quality pictures with minimal latency and low resource consumption, is currently in a mature state. Two amendments, JPEG XS Part 1 and Part 2, are expected to be published in July of 2026. JPEG XS AMD1 provides a new syntax to allow embedding of user-defined metadata at the slice-level in addition to the frame-level that was already possible. JPEG XS Part 2 amendment AMD1 provides additional levels and sublevels, as well as a new frame buffer level, to better support proxy-stream extraction use cases. At its 111th meeting, the JPEG Committee prepared another amendment (AMD2) for JPEG XS Part 2 to define a new raw Bayer profile, called CMainBayer, that supports reducing the implementation complexity compared to the MainBayer profile. It will be an inclusive profile, meaning that existing HighBayer and MainBayer implementations will be capable of decoding the newly proposed CMainBayer profile. A core experiment was issued to verify the proposed parameters and the impact on the coding performance and the potential resource savings. The plan is to issue the DAMD2 text at the next JPEG meeting in July 2026.

JPEG RF

At its 111th meeting, the JPEG committee continued its active exploration of technologies for radiance field representations. Significant progress was achieved, particularly in the areas of quality assessment and visualization methods for radiance fields, where an exploration study was presented and discussed, contributing to a deeper understanding of how radiance field content should be rendered and evaluated in subjective experiments. These discussions support the development of reliable and practical assessment frameworks in preparation for a future Call for Proposals. JPEG also initiated a new exploration focusing on the identification of suitable objective quality metrics and subjectively annotated datasets, as well as the evaluation of metrics’ performance for radiance field content. This work builds on prior efforts covering coding methods, subjective assessment protocols, and trajectory design, and aims to support the development of standardized evaluation methodologies.

In parallel, outreach activities continued to expand community engagement and support the preparation of dissemination materials, while work progresses toward revising the JPEG RF Common Test Conditions. The outcome of these efforts will guide future standardization in radiance field coding.

JPEG AI

At its 111th meeting, the JPEG Committee continued advancing JPEG AI. The Committee reviewed progress in key JPEG AI Core Experiments, including energy-consumption analysis, and bit-exact reconstruction, with results showing promising implementation trade-offs across CPU, GPU, and FPGA platforms. The FPGA implementation was identified as the most energy-efficient, while GPU execution provided the lowest latency. JPEG also reported progress on compressed-domain machine analysis, where JPEG AI latent representations enabled earth-observation segmentation with nearly ten times fewer model parameters. Further work will continue through new Core Experiments on energy consumption, bit-exact reconstruction, and objective and subjective evaluation. This activity reinforces JPEG AI’s role as the first International Standard for end-to-end learning-based image coding and as a technology relevant to both human visualization and machine-oriented applications.

"At the 111th meeting, five JPEG standardization projects reached DIS stage, a testimony to the commitment of its experts who work tirelessly towards the development of efficient standardized solutions that guarantee interoperability between emerging imaging products and services.” said Prof. Touradj Ebrahimi, the Convenor of the JPEG Committee.

About JPEG

The Joint Photographic Experts Group (JPEG) is a Working Group of ISO/IEC, the International Organization for Standardization / International Electrotechnical Commission, (ISO/IEC JTC 1/SC 29/WG 1) and of the International Telecommunication Union (ITU-T SG21), responsible for the popular JPEG, JPEG 2000, JPEG Systems and more recently, the JPEG XS, JPEG Pleno, JPEG XL, JPEG AI, JPEG Trust, JPEG DNA and JPEG XE families of imaging standards.

The JPEG Committee nominally meets four times a year. The next JPEG Meeting, the 112th, will be held in Leiria, Portugal, from the 5th to 10th of July 2026. More information about JPEG and its work is available at jpeg.org or by contacting of the JPEG Communication Subgroup. If you would like to stay informed about JPEG activities, please subscribe to the jpeg mailing lists.

Future JPEG meetings are planned as follows:

No. 112 will be in Leiria, Portugal, from 5 to 10 July 2026
No. 113 will be in Hangzhou, China, from 18 to 23 October 2026

A zip package containing the official JPEG logo and logos of all JPEG standards can be downloaded here.

110th Meeting – Sydney, Australia - JPEG Trust Media Asset Watermarking reaches Committee Draft stage at the 110th JPEG meeting

2025-11-10T00:00:00Z

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JPEG Trust Media Asset Watermarking reaches Committee Draft stage at the 110th JPEG meeting

The 110th JPEG meeting was held in Sydney, Australia, from 11 to 16 January 2026.

This meeting was marked by several major achievements: JPEG Trust Part 3 Media Asset Watermarking that will extend JPEG Trust Core Foundation providing signalling capabilities for content authenticity, provenance, integrity, intellectual property rights, and labelling using watermarking. Furthermore, the first event-based codec, JPEG XE, reached the Draft International Standard stage.

In addition, the JPEG Committee celebrated the 25th birthday of the successful JPEG 2000 standard with a social event where members who had served the Committee shared their experience during the development of this important family of standards.

The following sections summarise the main highlights of the 110th JPEG meeting.

JPEG Trust

Current technologies, especially the rise of generative AI, make synthetic creation and modification of media assets easy for general users. Media artefacts such as synthetic images and video increase the risks of online piracy, cyber security fraud, copyright breach, advertising misrepresentation and the spread of mis- and disinformation.

The JPEG Trust International Standard (ISO/IEC 21617-1) provides a framework for establishing trust in media assets, and has now been extended to include Part 3: Media Asset Watermarking (ISO/IEC 21617-3), to provide watermarking support for media asset authenticity.

This new part of the JPEG Trust framework provides a mechanism to empower businesses, governments and institutions to support critical use cases from labelling AI-generated media assets to Digital Rights Management and source tracing. This is in addition to its many applications in helping secure media asset authenticity.

In a major milestone achieved during the 110th JPEG meeting in Sydney, Part 3: Media Asset Watermarking reached the Committee Draft stage. It is expected that this standard will have a significant positive impact globally, as it directly responds to the urgent calls for watermarking functionality by governments around the world in response to the proliferation of AI-generated content online.

JPEG XE

JPEG XE is a joint effort between ITU-T SG21 and ISO/IEC JTC1/SC29/WG1 and will become the first internationally endorsed specification by major standardization bodies ITU-T, ISO, and IEC, for coding of events. It aims to establish a robust and interoperable format for efficient representation and coding of events in the context of machine vision and related applications. To expand the reach of JPEG XE, the JPEG Committee has closely coordinated its activities with the MIPI Alliance with the intention of developing a cross-compatible coding mode, allowing MIPI ESP signals to be decoded effectively by JPEG XE decoders.

Currently, JPEG XE Part 1, which defines the core coding system, is under DIS ballot and the JPEG Committee is awaiting the results. In the meantime, work started on Parts 2 and 3, which will define the Profiles and levels, and the Reference software, respectively. For both parts, a Committee Draft (CD) was created and their consultation was requested. The Profiles and levels in Part 2 will provide strict definitions to allow safe and correct interoperability between vendor specific implementations of the standard. The software for Part 3 will serve as a proof of concept implementation of an encoder and decoder of JPEG XE. The plan is to make the software free and open source to allow the community easy access to the JPEG XE technology.

Finally, work on Part 4 was also initiated to provide official and well-defined conformance tests. This will help vendors to verify interoperability and conformance to the standard.

The JPEG Committee remains committed to the development of a comprehensive and industry-aligned standard that meets the growing demand for event-based vision technologies. The collaborative approach between multiple standardisation organisations underscores a shared vision for a unified, international standard to accelerate innovation and interoperability in this emerging field. The JPEG XE public and joint AHG (ITU-T SG21 and ISO/IEC JTC1 SC29 WG1) was reestablished to continue the work. If you are interested, please consider joining the joint AHG.

JPEG AIC

The JPEG AIC-3 standard, which specifies a methodology for fine-grained subjective image quality assessment in the range from good quality up to mathematically lossless, is ready to be published as International Standard ISO/IEC 29170-3 in February this year. An implementation of the corresponding data analysis has been provided in MATLAB and will be ported to Python. For the current JPEG AIC-4 effort and evaluation of the responses to the call for Objective Image Quality Assessment, an image dataset for the large-scale subjective experiment was finalized, consisting of 18,000 compressed images for 70 source images and 17 codecs, including several learning-based methods. The crowdsourcing experiment is expected to take several weeks.

JPEG 2000

The JPEG Committee has initiated the development of a new standard to collect the growing number of profiles for its flexible JPEG 2000 image codec. As part of the activity, which is expected to be completed within the next 18 months, an initial set of hardware-focused profiles for professional video streaming coder are being codified. These profiles use the unique capabilities of the High-Throughput JPEG 2000 block coder, specified in Rec. ITU-T T.814 | ISO/IEC 15444-15, to shrink the hardware resources needed to tackle modern high-frame rate and high-resolution images.

JPEG XS

JPEG XS, the image and video compression format for transmitting visually lossless, high-quality pictures with minimal latency and low resource consumption, is a fundamental game-changer for real-time video transmission in live, professional, and broadcast applications. In this context, the JPEG Committee created an AMD1 for JPEG XS Part 2 to define some additional levels and sublevels, as well as a new frame buffer level. These additions each address specific requirements that came from the respective industry sectors that rely on JPEG XS. This new AMD1 for Part 2 was issued for DIS balloting. In the meantime, the ballot results for AMD1 for JPEG XS Part 1 were processed, and an FDIS ballot was initiated. Both AMDs are expected to be published before the end of this year.

JPEG RF

At the 110th JPEG meeting, JPEG RF made significant progress against its mandates, formally approving the Use Cases and Requirements for JPEG Radiance Fields v1.0 and requesting its public release on the JPEG website. Substantial technical discussions advanced the evaluation and assessment pipeline for radiance fields, covering both coding-only and joint instantiation and coding approaches. The Working Group also approved Exploration Study 7, including the study on pair-wise comparison assessment methodologies for radiance fields. In addition, next steps were agreed for outreach activities to engage additional stakeholders.

JPEG AI

During the 110th JPEG meeting, JPEG AI was focused on implementation aspects and on extending its applicability across devices and use cases. First, the Use Cases and Requirements document was updated, introducing a new video streaming and storage use case that positions JPEG AI as a deterministic still-image coding engine that can be integrated into video coding pipelines.

A new core experiment addresses the bit-exact reference frame reconstruction requirement. Moreover, other core experiments were defined to analyze power consumption on heterogeneous CPU–GPU/FPGA platforms and to retrain JPEG AI in the RGB domain for fair comparison with other codecs. Looking ahead, JPEG AI plans to develop mobile-ready encoder and decoder implementations, investigate error-resilience properties, and continue benchmarking JPEG AI against state-of-the-art learnt image codecs using solid and robust test conditions.

JPEG DNA

The wet-lab experiments, including DNA synthesis/sequencing, designed at the 109th JPEG meeting were completed, and the synthesized results have been delivered to the JPEG Committee as DNA molecules. As a next step, independent parties are carrying out sequencing separately, and the sequenced results are expected to be available by the next JPEG meeting, when the JPEG DNA, a.k.a. ISO/IEC 25508-1, will reach the DIS stage.

JPEG Pleno

During the 110th JPEG meeting, the JPEG Committee reviewed the outcomes of the subjective quality assessment conducted on the evaluation dataset with the aim to examine the performance of the proposals submitted in response to the Call for Proposals on objective metrics for JPEG Pleno Light Field Quality Assessment. The performance of submitted metrics was analysed across scenes with diverse spatial and angular resolutions and for both coding-only and joint coding and view-synthesis artefacts, highlighting differences in behaviour across distortion categories. Learning-based proposals were recognized as a promising direction, particularly when cross-validated on the evaluation dataset, while also raising considerations related to training, data dependency, and reproducibility. The evaluation phase was formally closed, with agreement to retain a set of well-established full-reference metrics as reference anchors and to pursue a combined technical direction integrating end-to-end and hybrid learning-based approaches. Finally, responsibilities across task forces were consolidated, and next steps were defined to continue the objective quality assessment work towards a first version of a working draft.

Highlights of JPEG 2000 25th Anniversary Celebrations, Sydney, 14 January 2026

The 110th JPEG meeting in Sydney offered a fitting occasion to mark the 25th anniversary of JPEG 2000 standardization. Opening the celebration, Prof. Touradj Ebrahimi, JPEG convenor, noted that it was in Sydney during the 12th JPEG meeting in 1997 that JPEG 2000 proposals were evaluated, culminating in the publication of the standard in December 2000.

The program featured a video message from Prof. Michael Marcellin, a key contributor to several core technologies adopted by JPEG 2000 and chair of the subsequent software verification model effort. He highlighted the successful deployment of JPEG 2000 for digital distribution of motion pictures and the essential standards work involved in defining the digital cinema profiles that enabled this adoption.

Prof. David Taubman, whose long-standing leadership and technical contributions continue to shape JPEG 2000 development, delivered a presentation highlighting the coding tools that underpin the format’s highly scalable and accessible codestreams. He also outlined recent progress in High Throughput JPEG 2000 (HTJ2K), including implementations achieving high performance, full float lossless compression for OpenEXR and FPGA based realizations delivering high speed, low latency coding.

Messages from Prof. Majid Rabbani and Dr. Daniel Lee—both instrumental in guiding the JPEG 2000 standardisation process—paid tribute to the dedication, expertise, and collaborative spirit of the many JPEG members who contributed to the standard’s success. Daniel, who served as JPEG convenor during the JPEG 2000 standardisation period, further underscored JPEG’s essential role as a collaborative international forum for developing standards with global reach.

The celebration concluded with an address by Dr. Pierre Anthony Lemieux, co-chair of the JPEG 2000 activity, who highlighted the format’s enduring flexibility as a key factor in its longevity. He noted that this flexibility allows end users to expand the capabilities of their workflows without the burden of switching to a different codec. Dr. Lemieux also emphasised the importance of ongoing maintenance activities, which allow JPEG 2000 to evolve to meet the shifting needs of its users, including current work on defining HTJ2K profiles and levels. He finished by stressing the importance of open source tools and libraries in driving adoption.

A sustained commitment to meeting industry needs and continued maintenance of the standard remains central to the ongoing and future success of JPEG 2000.

"Reaching Committee Draft for JPEG Trust Part 3: Media Asset Watermarking is a pivotal step toward restoring confidence in digital media at a moment when generative AI makes convincing manipulation accessible to anyone. This milestone equips industries and public institutions with interoperable, standards-based watermarking to support authenticity, provenance, integrity, rights signalling, and clear labelling, helping to curb mis- and disinformation, strengthen digital rights management, and enable reliable source tracing at a global scale.” said Prof. Touradj Ebrahimi, the Convenor of the JPEG Committee.

About JPEG

The JPEG Committee nominally meets four times a year. The next 111th JPEG Meeting will be held online, from 13 to 17 April 2026. More information about JPEG and its work is available at jpeg.org or by contacting of the JPEG Communication Subgroup. If you would like to stay informed about JPEG activities, please subscribe to the jpeg mailing lists.

Future JPEG meetings are planned as follows:

No. 111 will be held online, from 13 to 17 April 2026
No. 112 will be in Leiria, Portugal, from 5 to 10 July 2026

A zip package containing the official JPEG logo and logos of all JPEG standards can be downloaded here.

109th Meeting – Nuremberg, Germany - JPEG Trust Part 2 on Trust Profiles and Reports reaches Committee Draft stage

2025-11-10T00:00:00Z

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JPEG Trust Part 2 on Trust Profiles and Reports reaches Committee Draft stage

The 109th JPEG meeting was held in Nuremberg, Germany, from 12 to 17 October 2025.

This meeting was marked by several major achievements: JPEG Trust Part 2 on Trust Profiles and Reports, complementing Part 1 with several profiles for various usage scenarios, reached Committee Draft; JPEG AIC part 3 was produced for final publication by ISO; JPEG XE reached Committee Draft stage; and the calls for proposals on objective evaluation JPEG AIC-4 and JPEG Pleno Quality Assessment of Light Field received several responses.

Furthermore, the JPEG Committee is pleased to inform that JPEG XS developers Fraunhofer IIS and intoPIX were awarded the Engineering, Science and Technology Emmy® for their contributions to the development of the JPEG XS standard.

The following sections summarise the main highlights of the 109th JPEG meeting.

JPEG Trust

At the 109th JPEG Meeting, the JPEG Committee reached a key milestone with the completion of the Committee Draft (CD) for JPEG Trust Part 2 – Trust Profiles and Reports (ISO/IEC 21617-2). Building on the framework established in Part 1 (Core Foundation), this new specification further refines Trust Profiles and Trust Reports and provides several example profiles and reusable profile snippets for adoption in diverse usage scenarios.

Compared to earlier drafts, the new Trust Profiles specification introduces templates and dynamic metadata blocks, offering enhanced flexibility while maintaining full backwards compatibility for existing profiles. This flexibility is also reflected in the updated Trust Reports, which can now be more easily tailored to specific usage scenarios. This new specification sets the stage for user communities to build their own Trust Profiles and customise them to their specific needs.

In addition to the CD on Part 2, the committee also produced a CD of Part 4 - Reference Software. This specification provides a reference implementation and reference dataset of the Core Foundation. The reference software will be extended with additional implementations in the future.

Finally, the committee also advanced Part 3 – Media Asset Watermarking. The Terms and Definitions and Use Cases and Requirements documents are now publicly available on the JPEG website. The development of Part 3 is progressing on schedule, with the Committee Draft stage targeted for January 2026.

JPEG AIC

The JPEG AIC-3 standard, which specifies a methodology for fine-grained subjective image quality assessment in the range from good quality up to mathematically lossless, was finalised at the 109th JPEG meeting and will be published as International Standard ISO/IEC 29170-3.

In response to the JPEG AIC-4 Call for Proposals on Objective Image Quality Assessment, four proposals were received and presented. A large-scale subjective experiment has been prepared in order to evaluate the proposals.

JPEG XE

At the 109th JPEG Meeting, the DIS of JPEG XE Part 1, the core coding system, was prepared. This part specifies the low-complexity and low-latency lossless coding technology that will be the foundation of JPEG XE. Reaching DIS stage is a major milestone and freezes the core coding technology for the first edition of JPEG XE. The JPEG Committee plans to further improve the coding performance and to provide additional lossless and lossy coding modes, scheduled to be developed in 2026. While the DIS of Part 1 is under ballot for approval as an International Standard, the JPEG Committee initiated the work on Part 2 of JPEG XE to define the profiles and levels. A DIS of Part 2 is planned to be ready for ballot in January 2026.

With JPEG XE Part 1 under ballot and Part 2 in the pipeline, the JPEG Committee remains committed to the development of a comprehensive and industry-aligned standard that meets the growing demand for event-based vision technologies. The collaborative approach between multiple standardisation organisations underscores a shared vision for a unified, international standard to accelerate innovation and interoperability in this emerging field.

JPEG XS

The JPEG Committee is extremely proud to announce that the two companies behind the development of JPEG XS, intoPIX and Fraunhofer IIS, were awarded an Emmy® for Engineering, Science, and Technology for their role in the development of the JPEG XS standard. The awards ceremony was held on October 14th, 2025, at the Television Academy’s Saban Media Center in North Hollywood, California. This award recognizes JPEG XS for being a state-of-the-art image compression format that transmits high-quality images with minimal latency and low-resource consumption, with visually near-lossless image quality. It affirms that JPEG XS is the fundamental game changer for real-time transmission of video in live, professional video, and broadcast applications, and that it is being heavily adopted by the industry.

Nevertheless, the work to further improve JPEG XS continues. In this context, the DIS of AMD 1 of JPEG XS Part 1 is currently under ballot at ISO and is expected to be ready by January 2026. This amendment enables the embedding of sub-frame metadata to JPEG XS as required by augmented and virtual reality applications currently discussed within VESA. The JPEG Committee also initiated the steps to start an amendment for Part 2 (Profiles and buffer models) that will define additional sublevels needed to support on-the-fly proxy-level extraction (i.e. lower resolution streams from a master stream) without recompression. The amendment is planned to go to DIS ballot at the next 110th JPEG meeting in Sydney, Australia.

JPEG AI

During the 109th JPEG meeting, the JPEG AI project achieved major milestones, with Part 2 (Profiling), Part 3 (Reference Software), and Part 5 (File Format) approved as International Standards. Meanwhile, Part 4 (Conformance) is proceeding to publication after a positive ballot. The Core Experiments confirmed that JPEG AI outperforms state-of-the-art codecs in compression efficiency and demonstrated a decoder implementation based on the SADL library.

JPEG DNA

During the 109th JPEG meeting, the JPEG Committee designed the wet-lab experiments, including DNA synthesis/sequencing, with results expected by January 2026. The primary objective of the wet-lab experiments is to validate the technical specifications outlined in the current DIS study text of ISO/IEC 25508-1 in the realistic procedures for DNA media storage. Additional efforts are underway as a new Core Experiment to study the performance of the codec-dependent unequal error correction technique, which is expected to result in the future publication of JPEG DNA Part 2 - Profiles and levels.

JPEG Pleno

JPEG Pleno marked a pivotal step toward the forthcoming ISO/IEC 21794-7 standard, Light Field Quality Assessment. The new Part 7 was officially approved for inclusion in the ISO/IEC work programme, confirming international support for standardizing light field quality assessment methodologies. Moreover, in response to the Call for Proposals on Objective Metrics for Light Field Quality Assessment, three proposals were received and presented. In preparation for the evaluation of the proposals submitted in response to the CfP, an evaluation dataset was released and discussed during the meeting. The next milestone is the execution of a Subjective Quality Assessment on the evaluation dataset to evaluate the proposed objective metrics by the 110th JPEG meeting in Sydney. To this end, the methodological design and preparation of the subjective test were discussed and finalized, marking an important step toward developing the standardization framework for objective light field quality assessment.

The JPEG Pleno Workshop on Emerging Coding Technologies for Plenoptic Modalities was conducted at the 109th meeting with presentations from Touradj Ebrahimi (JPEG Convenor), Peter Schelkens (JPEG Plenoptic Coding and Quality Sub-Group Chair), Aljosa Smolic (Hochschule Luzern), Søren Otto Forchhammer (Danmarks Tekniske Universitet), Giuseppe Valenzise (Université Paris-Saclay), Amr Rizk (Leibniz Universität Hannover), Michael Rudolph (Leibniz Universität Hannover), and Irene Viola (Centrum Wiskunde & Informatica).

JPEG RF

At the 109th JPEG Meeting the exploration activity on JPEG Radiance Fields (JPEG RF) continued its progress toward establishing frameworks for coding and quality assessment of radiance fields. The group updated the drafts of the Use Cases and Requirements and Common Test Conditions, alongside the outcomes of an Exploration Study, which examined the impact of camera trajectory design on human perception during a subjective quality assessment. These discussions refined methodological guidelines for trajectory generation and the subjective assessment procedures. Building on this progress, Exploration Study 6 was launched to benchmark the complete assessment framework through a subjective experiment using the developed protocols. Outreach activities were also planned to engage additional stakeholders and support further development ahead of the next 110th JPEG Meeting in Sydney, Australia.

JPEG XL

At the 109th JPEG meeting, work has started on an embedding of JPEG XL in ISOBMFF/HEIF. It will be described in a new edition of ISO/IEC 18181-2, which has been initiated.

"During the 109th JPEG Meeting, the JPEG Committee reached several important milestones. In particular, JPEG Trust continues its development with the addition of new Parts towards the creation of a reliable and effective standard that restores authenticity and provenance of the multimedia information.” said Prof. Touradj Ebrahimi, the Convenor of the JPEG Committee.

About JPEG

The Joint Photographic Experts Group (JPEG) is a Working Group of ISO/IEC, the International Organization for Standardization / International Electrotechnical Commission, (ISO/IEC JTC 1/SC 29/WG 1) and of the International Telecommunication Union (ITU-T SG21), responsible for the popular JPEG, JPEG 2000, JPEG XR, JPSearch, JPEG Systems, JPEG XT and more recently, the JPEG XS, JPEG Pleno, JPEG XL, JPEG AI, JPEG Trust, JPEG DNA and JPEG XE families of imaging standards.

The JPEG Committee nominally meets four times a year. The next 110th JPEG Meeting will be held in Sydney, Australia, from 10 to 16 January 2026. More information about JPEG and its work is available at jpeg.org or by contacting of the JPEG Communication Subgroup. If you would like to stay informed about JPEG activities, please subscribe to the jpeg mailing lists.

Future JPEG meetings are planned as follows:

No. 110 will be in Sydney, Australia, from 10 to 16 January 2026
No. 111 will be held online, from 13 to 17 April 2026
No. 112 will be in Leiria, Portugal, from 5 to 10 July 2026

A zip package containing the official JPEG logo and logos of all JPEG standards can be downloaded here.

JPEG Pleno Workshop on Emerging Coding Technologies for Plenoptic Modalities Proceedings

2025-11-07T00:00:00Z

Context

JPEG Pleno offers a standard framework for representing new imaging modalities like texture-plus-depth, light field, point cloud, and holographic imaging. These imaging techniques represent light inspired by the plenoptic function, regardless of the model used to capture or create the content.

The JPEG Pleno standard integrates its various components to maximize their synergies and dependencies, making the whole system more effective than the sum of its parts. This holistic approach means JPEG Pleno is not just a set of efficient coding tools for compression. Instead, it serves as a comprehensive representation framework that supports advanced functionalities for plenoptic data manipulation, metadata, random access, interaction, and various file formats. It also ensures privacy protection, ownership rights, and security.

From capturing the real or synthesized world to replicating it, the JPEG Pleno framework harmoniously integrates all necessary tools into a single system. This system represents the same visual reality while accommodating different modalities, requirements, and functionalities.

Recently, the JPEG Pleno Learning-based Point Cloud Coding and JPEG Pleno Holography have been promoted to International Standards. Meanwhile, JPEG Pleno Light Field is progressing towards a second edition with a higher performance 4D Transform Mode. Additionally, the standardization of quality assessment procedures for plenoptic modalities has begun, with JPEG Pleno Quality Assessment – Light Fields being the first part to address this area.

This workshop aimed to engage the broader scientific and technology community in addressing the future challenges the JPEG committee faces in the domain of immersive media technologies. Experts engaged in research on topics of Volumetric Content, Light-Field Coding, Point Cloud Coding and Quality of Experience for Immersive Experiences spoke on key advancements in the field and the latest research outcomes and directions.

Program

14:00-14:10: Opening Address, Touradj Ebrahimi (JPEG Convenor)
14:10-14:20: Overview of JPEG Pleno Activity, Peter Schelkens and Stuart Perry (PCQ Chairs)
14:20-14:45: AI-based Volumetric Content for Immersive XR Experiences and Media Production Workflows, Aljosa Smolic (Hochschule Luzern)
14:45-15:10: Near-lossless Light Field Coding and Deep Decoding”, Søren Otto Forchhammer (Danmarks Tekniske Universitet)
15:10-15:35: An overview of Learning-Based 3D Point Cloud Compression: current methods and perspectives., Giuseppe Valenzise (Université Paris-Saclay)
15:35-16:00: Unified Coding of Point Cloud Geometry and Attributes through Variable-Rate Conditioning, Amr Rizk and Michael Rudolph (Leibniz Universität Hannover)
16:00-16:25: Quality of Experience for immersive media systems, Irene Viola (Centrum Wiskunde & Informatica)
16:25-16:30: BREAK
16:30-16:55: Panel discussion on new directions and emerging technologies in Plenoptic modalities
16:55-17:00: Concluding Remarks, Peter Schelkens and Stuart Perry (PCQ Chairs)

Proceedings

The presentations presented during the workshop are available for download here.

Referencing

Proceedings of the JPEG Pleno Workshop on Emerging Coding Technologies for Plenoptic Modalities, ISO/IEC JTC1/SC29/WG1, wg1n101346, Nuremberg, October 14th, 2025.

Organizing committee

Stuart Perry (AU)
Peter Schelkens (BE)
Saeed Mahmoudpour (BE)
Eduardo da Silva (BR)

More information

Interested parties are invited to join the JPEG Pleno activities. Information on how to participate is available on the JPEG Website in the Participate section. Information can be found on JPEG membership and the various Ad Hoc Groups. Regularly consult the JPEG.org website for the latest news.

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