Jaime Delgado

• Full Professor
• Professor (Full) at Polytechnic University of Catalonia

When developing devices, architectures and services for the Internet of Medical Things (IoMT) world, manufacturers or integrators must be aware of the security requirements expressed by both laws and specifications. To provide tools guiding through these requirements and to assure a third party of the correct compliance, an ontology charting the re...

This is an updated report of the work of the Joint Technical Committee of the International Standardization Committee and the International Organization for Standardization (ISO/IEC JTC1 SC29/WG1), better known as the JPEG (Joint Photographic Experts Group) Committee. A detailed introduction to JPEG's work has already been presented.1, 2 In this re...

GA4GH has proposed the Beacon architecture as an interface to retrieve genomic information which also protects the privacy of the individuals. In this paper, we propose to adapt the Beacon Reference Implementation to the use case of a study comparing the susceptibility to the carcinogenic effects of tobacco. This analysis compares the germline of h...

eHealth data can be generated by different health professionals. Documenting and storing the provenance of medical data will help in providing patients and medical institutions with trustable and traceable information regarding medical procedures and their results. The use of a modular architecture like HIPAMS allows covering different eHealth info...

Patients need mechanisms to integrate health information coming from different sources, including personal devices. This would lead to Personalized Digital Health (PDH). HIPAMS (Health Information Protection And Management System) is a modular and interoperable secure architecture that helps in achieving this objective and building a Framework for...

The MedSecurance project focus on identifying new challenges in cyber security with focus on hardware and software medical devices in the context of emerging healthcare architectures. In addition, the project will review best practice and identify gaps in the guidance, particularly the guidance stipulated by the medical device regulation and direct...

Background Privacy management is a key issue when dealing with storage and distribution of health information. However, FAIR (Findability, Accessibility, Interoperability, and Reusability) principles when sharing information are in increasing demand in several organizations, especially for information generated in public-funded research projects. O...

Medical data describe patient health information, both in healthy and disease conditions. In any case, health institutions need to ask for patient consent in order to provide their services. Patients usually give consent on a one-time basis, for a specific usage. Afterwards, if medical data usage is research, original patient consent does not apply...

This year marks the 45th anniversary of the European Federation for Medical Association (EFMI) and was recognized in MIE2021, run virtually along with the 200 years of the Hellenic revolution that led to the establishment of the Greek state. It has been a busy year for EFMI characterized by an ambitious workplan and launching of internal projects m...

Genomic information is a very sensitive type of digital information as it not only applies to a person, but also to close relatives. Therefore, privacy provision is key to protecting genomic information from unauthorized access. It is worth noting that most of the current genomic information formats do not provide specific mechanisms by which to se...

To handle genomic information while supporting FAIR principles, we present GIPAMS, a modular architecture. GIPAMS provides security and privacy to manage genomic information by means of several independent services and modules that interact among them in an orchestrated way. The paper analyzes how some security and privacy aspects of the FAIRificat...

Genomic information is key for the implementation of real personalized medicine. Nevertheless, access to this kind of information must be controlled because of its high privacy and security requirements. Several genomic information formats exist, although we have started from MPEG-G as it includes metadata and protection mechanisms since its incept...

New genome sequencing technologies have decreased the cost of generating genomic data, thus increasing storage needs. The International Organization for Standardization (ISO) working group MPEG has developed a standard for genomic data compression with encryption features. The approach taken in standard MPEG-G (ISO/IEC 23092) to compress genomic in...

Making data Findable, Accessible, Interoperable and Reusable (FAIR) is a good approach when data needs to be shared. However, security and privacy are still critical aspects. In the FAIRification process, there is a need both for de-identification of data and for license attribution. The paper analyses some of the issues related to this process whe...

The Moving Picture Experts Group (MPEG) is an International Organization for Standardization/International Electrotechnical Commission (ISO/IEC) working group that develops media coding standards. These standards include a set of ontologies for the codification of intellectual property rights (IPR) information related to media. The Media Value Chai...

New genome sequencing technologies have simplified the generation of genomic data, making them more common but in turn a likely target of attack. Security strategies have been devised such as restricting the amount of information that can be queried or using new encryption techniques. These solutions might not be enough if the entire file has to be...

jmpegg library provides MPEG-G files encoding/decoding features. The library is written in a pure java language without external dependencies. The library also supports conversion between MPEG-G and well-known genomic formats.

Provision of security and privacy to genomic data is a key issue in current genomic information representation. Existing formats do not give a solution to these issues (or they provide a partial one), so new solutions are demanded. MPEG-G (ISO/IEC 23092, Genomic Information Representation) is an International Standard for the representation of geno...

Advances in DNA sequencing technologies lead to an increase in the amount of sequenced genomic data, requiring new approaches for how this information is stored and processed. The most popular formats for storing genomic data - Sequence Alignment/Map Format (SAM) and its binary counterpart (BAM) do not provide an acceptable level of compression. Th...

The MPEG-G standardization initiative is a coordinated international effort to specify a compressed data format that enables large scale genomic data to be processed, transported and shared. The standard consists of a set of specifications (i.e., a book) describing: i) a nor-mative format syntax, and ii) a normative decoding process to retrieve the...

Interoperable metadata is key for the management of genomic information. We propose a flexible approach that we contribute to the standardization by ISO/IEC of a new format for efficient and secure compressed storage and transmission of genomic information.

Current image coding standards provide limited support for privacy and security features. An exception is the JPSEC standard, which defines security extensions in JPEG 2000 specifications (part 8). Notwithstanding this shortcoming, the JPEG committee is currently defining a new JPEG Systems standard, which envisages privacy and security support acr...

The ISO/IEC committee in charge of standardizing the well-known MPEG audiovisual standards has launched, in cooperation with the ISO committee on Biotechnology, a new activity for efficient compressed storage and transmission of genomic information. The paper presents proposals for adding privacy and security to such in-progress standards. © 2017 E...

The management of electronic health records (EHR), in general, and clinical documents, in particular, is becoming a key issue in the daily work of Healthcare Organizations (HO). The need for providing secure and private access to, and storage for, clinical documents together with the need for HO to interoperate, raises a number of issues difficult...

The massive distribution and sharing of images increases the risk of privacy losses. There are several image formats, but one of the most used is JPEG. To take care of this, the JPEG standardization committee is promoting an activity on privacy and security, in order to provide protection at image level. This paper presents a mechanism to improve p...

RESUMEN Salud de la Mujer Dexeus está mejorando la interoperabilidad entre todos sus sistemas de información añadiendo una solución VNA (Vendor Neutral Archive). Con ello obtiene además nuevas funcionalidades, como un visor único de documentos y un acceso seguro y estructurado a su información desde diversos lugares y dispositivos. La solución se b...

The MPEG-21 Media Contract Ontology (MCO), a part of the standard ISO/IEC 21000, is an ontology to represent contracts dealing with rights on multimedia assets and intellectual property protected content in general. A core model provides the elements to describe the permissions, obligations and prohibitions exchanged in the clauses of a contract. S...

Privacy provision is a key issue for successful secure access to patients' health information. Current approaches do not always provide patients with the ability to define suitable rules to access to their information in a secure way. This paper presents an approach to give patients control over their information by means of external services. In t...

The emergence of new ways of rendering multimedia content from a multiplicity of devices like tablets, smartphones, consoles or smart TVs, opens a complete set of new opportunities for multimedia services providers. It is important that the development of those disruptive services is done in an interoperable way. Existing service-oriented middlewar...

Today there are many media sharing applications that use diverse metadata formats to describe media resources. This leads to interoperability issues in cataloguing, searching and annotation. This situation poses schema matching algorithms in the eye of the storm of metadata interoperability. In this paper we present two different solutions for mult...

Contract expression languages (CELs) let users represent business contracts in a digital and structured form. Examples include the Content Reference Forum format, the OASIS eContracts standard, and a proposed extension for MPEG-21 Part 5. These formats have influenced the MPEG-21 CEL design, which has been recently specified by modeling the most re...

MPEG-M is a suite of ISO/IEC standards (ISO/IEC 23006) that has been developed under the auspices of Moving Picture Experts Group (MPEG). MPEG-M, also known as Multimedia Service Platform Technologies (MSPT), facilitates a collection of multimedia middleware APIs and elementary services as well as service aggregation so that service providers can o...

Triggered by the rise of social networks, community-based image sharing platforms are emerging at an increasing rate. Currently, almost every repository offers a different interaction interface and metadata description format. Unfortunately, this prevents unified and efficient access to these repositories. Consequently, data exchange between system...

Currently, there are several ways of describing and referring to images in RDF. This ambiguity results in a proliferation of vocabularies for image descriptions, complicating the cross-community data integration of information related to digital images. In addition, there are no standardized guidelines on how to integrate RDF data into the image me...

Video quality estimation is crucial for the efficient management of video delivery services. Particularly with the advances in screen technology and content delivery networks, getting an accurate estimation of the video quality as it is actually perceived ...

Mobile visual search is the task of finding information (visual or not) given an input picture or video usually taken by a hand-held device. Interest around this topic is being boosted by the increasing amount of digitally stored images and the widespread proliferation of camera enabled mobile devices, such as mobile phones, PDAs or tablets. This f...

For the last 15 years, there have been various research and great advances in the field of content-based search and retrieval of images. In this paper, we present an overview of the JPSearch Standard, which is a recently published set of international standards providing interoperable framework for image search and sharing. The JPSearch standard is...

A major challenge when accessing protected multimedia content in heterogeneous usage environments is the ability to provide acceptable levels of quality of experience to all involving users. Additionally, different levels of protection should be possible to be addressed when manipulating the content towards the quality of experience maximization. T...

Standards-based middleware architectures for content management are suitable for a range of business scenarios. In this context, the authors review the MPEG-M standard and the MIPAMS standards-based architecture. They describe a selection of relevant deployment scenarios, from content licensing to authorization-based content access control, includi...

Controlling, protecting and managing access to multimedia content could be a difficult task if a system was not prepared for it. To solve this situation minimizing the impact on the existing system, we propose the use of a modular architecture which provides digital rights and privacy policies management features. It can be integrated just invoking...

New mobile devices (pda's, tablets) permit the implementation of new business models as they are always connected and provide multimedia capabilities for capturing images, videos, music or even conversations. Together with an architecture for the secure management and distribution of multimedia content called MIPAMS, we propose a mobile business mo...

Broadcasting of local live cultural events via Digital Terrestrial Television (DTT) in Catalonia is limited by the cost of satellite transmissions. This is the system most currently used nowadays but it is unaffordable for local television stations, which have a low budget. So, in the context of the CulturaLive project, a professional quality platf...

This paper addresses the general problem of how building a distributed image search&retrieval system that copes with metadata heterogeneity. Firstly, We analyze the usage of metadata in current image repositories, the different metadata schemas for image description and their semantic relationships. After, we provide a general classification for th...

There are several initiatives working in the definition and implementation of distributed architectures that enable the development of distributed multimedia applications on top of them, while offering Digital Rights Management (DRM) features. In this chapter, the main features of the MPEG Extensible Middleware (MXM) (ISO/IEC, http://mxm.wg11.sc29....

This paper describes an interoperable Digital Rights Management architecture promoted by the MPEG standardization group in its new standard known as MPEG-M or MPEG Extensible Middleware (MXM). The goal of this standard is to promote the packaging and reusability of MPEG technologies, and for this it specifies a software middleware platform and a co...

This article analyzes existing initiatives and proposes new technologies for the governed adaptations of secured content in heterogeneous environments. These technologies are integrated into an architecture for the secure management of multimedia content.

Analysis of the impact of scholarly artifacts is constrained by current unreliable practices in cross-referencing, cita-tion discovering, and citation indexing and analysis, which have not kept pace with the technological advances that are occurring in several areas like knowledge man-agement and security. Because citation analysis has become the p...

The digital content industry is facing significant challenges. One of the most significant challenges is the Intellectual Property protection. This challenge has been addressed technologically by using Digital Rights Management (DRM) systems that on a first stage ensured the appropriate management over digital content.However, rights management sys...

Se analizan las diferentes alternativas de que disponen los creadores para beneficiarse de la explotación de los derechos de propiedad intelectual de sus obras. En concreto, de los derechos de autor. En primer lugar se proporciona una visión general del concepto de propiedad intelectual para seguidamente describir las posibilidades de gestión de lo...

A way to practice Telemedicine is to access a data-base capable to assist you in medical procedures (diagnosis, treatment and prognosis), similarly to consult a book or to ask a college. In many countries the lack of specialists and training capabilities demand to practice solo-medicine, that in the case of surgery require robots capable to induce...

This paper describes several scenarios for the management of digital media, focusing on electronic publishing from mobile environments. The solution proposed in those scenarios is based on MIPAMS (Multimedia Information Protection And Management System), a service-oriented Digital Rights Management (DRM) platform, which enables the creation, regist...

An important issue when making available health information to the patients is to ensure that their privacy is protected. In the same way, it is also important to protect patients' privacy when clinical data is exchanged between different electronic health records systems. This paper presents a solution based on standard technologies that will enab...

The number of users of social networks (SN) has increased dramatically during the last years. In turn, the number of applications offered by SNs, as well as their usage by SN users, has also increased significantly. These applications are developed by third parties and access users' data to operate. This fact poses serious privacy risks, since SNs...

Digitalisation of TV broadcast (Digital Terrestrial Television, DTT) is going to modify the way of work of many local televisions and content providers. In Catalonia (north-east of Spain) this will certainly happen since many current channels will not get a DTT license to broadcast. In this context, they need to get facilities for content selling a...

This article presents a scalable and modular platform for contextaware adaptation of multimedia content that is governed by digital rights management (DRM). This platform adopts several new approaches, such as (1) combining the use of ontologies and lowlevel context to drive the adaptation decision process, (2) verifying and enforcing usage rights...

Digital still images are generated, distributed and stored worldwide at an ever increasing rate. Yet, the large number of available metadata description formats prevents consistent and efficient access to image repositories. Standardized solutions for unifying the access and the retrieval of image repositories are therefore strongly needed. The ISO...

Aquest projecte, de Suport a la Docència, consisteix en la incorporació d’uns comandaments amb botons del 0 al 9 a les classes per tal de donar suport als professors a les seves classes i, d’aquesta manera, avaluar els coneixements dels alumnes durant el desenvolupament de les classes. Aquests dispositius actualment ja són utilitzats a gran varieta...

This paper presents a standards-based architecture for a complex and generic distributed multimedia scenario, which combines content search and retrieval, DRM, and context-based content adaptation together. It is an innovative and totally generic approach trying to narrow the semantic-gap by integrating a fl exible language for multimedia search ba...

The number of users of online social networks has increased dramatically during the last years. In turn, the number of applications offered by these sites, as well as their usage by social networks users has also increased significantly. These applications, developed by third parties, access users data in order to properly work. This fact poses ser...

The use of Optical Biopsies-OB (in the present case Confocal endomicroscopy-CEM) is limited due to difficulties to interpret images. The OB-CEM are taken by endoscopists, not trained in microscopic morphology which is the domain of the surgical pathology. To gain diagnostic confidence the endoscopists could consult the images to a pathologist or co...

Authors of scholarly objects might fear that there is a potential risk that the original material they publish in online sites or that they submit for evaluation to scientific journals or conferences is used by others as their own material. In such cases, it would not be easy for the original authors to prove authorship of the original contribution...

Business to business commerce of audiovisual material can be governed by electronic contracts, in the same way as digital licenses govern business to consumer transactions. The digital licenses for end users have been expressed either in proprietary formats or in standard Rights Expression Languages and they can be seen as the electronic replacemen...

This paper describes the Media Value Chain Ontology we have specified, a semantic representation of the Intellectual Property along the Value Chain that it is in the way of being standardized as MPEG-21 Part 19. This model defines the minimal set of kinds of Intellectual Property, the roles of the users interacting with them, and the relevant actio...

Context-aware applications are fast becoming popular as a means of enriching users’ experiences in various multimedia content access and delivery scenarios. Nevertheless, the definition, identification, and representation of contextual information are still open issues that need to be addressed. In this paper, we briefly present our work developed...

This article presents a validation and processing architecture for the MPEG Query Format, which provides a standardized interface to multimedia document repositories.

The authors' Media Value Chain Ontology is a semantic representation of the intellectual property along the value chain that it is being standardized as MPEG-21 Part 19.

This paper proposes a set of architectural patterns for the design of interoperable image search&retrieval systems on top of the latest standards in the area, ISO/IEC 15938-12 (MPEG Query Format) and ISO/IEC 24800 (JPSearch). The work introduces the notion of a "composable metadata model" as a means to allow the usage of multiple metadata ontologie...

The MPEG Query Format (MPQF) has been developed for providing a standardized interface to multimedia document repositories by members of MPEG (ISO/IEC JTC1/SC29/WG11). The MPQF schema specifies a format for queries and replies to be interchanged between client and servers in a multimedia information search and retrieval environment. This paper pres...

Information shared in online social networks is subject to privacy policies specified in each network. These privacy terms protect users to some extent and grant them some basic rights on the information they share. In the near future, and according to the Web 2.0 philosophy, social networks members will be able to choose their privacy preferences...

Privacy management is different across the many online social networks and not always satisfies the user expectations. Some social networks members may demand choosing their privacy preferences more richly and exercise a tighter control on the information they drop. For this regard, it is under question if some of the Digital Rights Management syst...

Social Networks, as the main axis of Web 2.0, are creating a number of interesting challenges to the research and standardisation communities. In this paper, we analyse the current and future use of access control policies in Social Networks. Subsequently, two main issues are addressed: the interoperability among systems using different policy lang...

This paper presents a standards-based architecture for a complex and generic distributed multimedia scenario, which combines content search and retrieval, DRM, and context-based content adaptation together. It is an innovative and totally generic approach trying to narrow the semantic-gap by integrating a flexible language for multimedia search bas...

Today, the popularity of multimedia demands efficient and intelligent strategies to cope with large amount of multimedia data and the real time constraints of applications. Recent efforts in the area of Multimedia Retrieval Systems (MMRS) have led to a growing research community and a number of projects on the international, national and industrial...

Postprint (published version)

In December 2008, ISO/IEC SC29WG11 (more commonly known as MPEG) published the ISO/IEC 15938-12 standard, i.e. the MPEG Query Format (MPQF), providing a uniform search&retrieval interface for multimedia repositories. While the MPQF’s coverage of basic retrieval functionalities is unequivocal, it’s suitability for advanced retrieval tasks is still u...

Content consumption in mobile devices is no longer limited to ringtones, games or images. The increasing capabilities of new mobile devices include now music and video clips. The content sent to the mobile device and even content created from devices has an increasing value. The application of security mechanisms and the introduction of Digital Rig...

Distributed multimedia systems require the possibility of tracking any operation occurred in the system, such as those performed by content creators, distributors and final users. These operations may involve not only the consumption of content at the end user side, but also some system operations, such as the issuance of licenses that grant permis...

This paper presents a new type of context based on the authorisation of content adaptation in a generic multimedia scenario. After an overview of the state-of-the-art in the use and representation of context for multimedia content adaptation, we conclude that MPEG-21 Digital Item Adaptation is the most suited standardisation initiative in this area...

The MPEG Query Format (MPQF) is a new standard from the MPEG standardization committee which provides a standardized interface to multimedia document repositories. The purpose of this paper is describing the necessary modifications which will allow MPQF to manage metadata modelled with Semantic Web languages like RDF and OWL, and query constructs b...

This paper presents a search and retrieval framework that enables the management of intellectual property in the World Wide Web. This twofold framework helps users to detect digital rights infringements of their copyrighted content. In order to detect possible copyright infringments, first the system crawls the Web to search replicas of usertpsilas...

Digital objects are managed in a controlled way through the complete value chain by DRM systems. Access control frameworks manage access by users to resources. This paper presents a solution that enables users of both systems to work collaboratively. It is based on the definition of an interoperability Broker that provides users of both systems wit...

This paper presents a standards-based architecture for a complex and generic distributed multimedia scenario, which combines content search and retrieval, DRM, and context-based content adaptation together. The most innovative part of the proposed work comes from the integration of a flexible language for multimedia search based on MPEG query forma...

This paper proposes a new type of context description metadata based on the information extracted from the authorisation of adaptation in a generic multimedia scenario. After a deep study of the state-of-the-art in the use and representation of contexts for multimedia content adaptation, we conclude that MPEG-21 digital item adaptation is the most...

This paper presents a work consisting in the design of a framework for interconnecting parties in a TV market, facilitating the interchange of digital assets between TV producers and broadcasters, content aggregators, educational institutions or other kind of organisations over the Internet. The framework is based on the combination of the Open Arc...

Consumers want to use their digital content in the same way they have always used analog content. Consumer associations and governments are starting to request and even impose interoperability between DRM vendors' products. Therefore, interoperability has become a hot topic among content creators and distributors. Digital music providers and even a...

Traditional broadcasting of TV contents begins to coexist with new models of user aware content delivery. The definition of interoperable interfaces for precise content search and retrieval between the different involved parties is a requirement for the deployment of the new audiovisual distribution services. This paper presents the design of an ar...

The MPEG Query Format (MPQF) is a new standard from the MPEG standardization committee which provides a standardized interface to multimedia document repositories. The purpose of this paper is describing the necessary extensions which will allow MPQF to manage metadata modelled with Semantic Web languages like RDF and OWL, and query constructs base...

The initiative of standardization of MPEG Query Format (MPQF) has refueled the research around the definition of a unified query language for digital content. The goal is to provide a standardized interface to multimedia document repositories, including but not limited to multimedia databases, documental databases, digital libraries, spatio-tempora...

This paper presents a search and retrieval framework that enables the management of Intellectual Property in the World Wide Web. This twofold framework helps users to detect digital rights infringements of their copyrighted content. In order to detect possible copyright infringments, first the system crawls the Web to search replicas of user’s imag...

Many vendors of multimedia databases and many providers of multimedia search and retrieval services already offer advanced indexing and retrieval techniques for multimedia contents. However, the solutions differ and do not interoperate. The already completed ISO/IEC IS 15938, formally called the multimedia content description interface (better know...

Key management is the set of techniques and procedures supporting the establishment and maintenance of keying relationships between authorized parties. DRM platforms are usually composed by a set of different functionalities and components that usually manage and exchange keying material in a secure way. This key material has to be properly and sec...

In this paper we propose some security mechanisms that can be used in a multimedia content distribution system with digital rights management (DRM) to ensure that the software tools used in the client side are trusted not only in the moment when they are installed but during their whole life operation. For this purpose, certification, verification,...