Modeling of Printing-and-digitalization Process

Il y a 2 mois

Lyon, France Université Lumière Lyon 2 Temps plein

**Modeling of Printing-and-Digitalization process using generative methods**:

- Réf
- **ABG-118557**
- Stage master 2 / Ingénieur- Durée 6 mois- Salaire net mensuel environ 600€-650€- 30/11/2023- Université Lumière Lyon 2- Lieu de travail- Lyon Auvergne-Rhône-Alpes France- Champs scientifiques- Informatique
- Mots clés- Generative learning, image processing, image features, printable unclonable codes**Établissement recruteur**:
Founded in 1973, Université Lumière Lyon 2 welcomes nearly 30,000 students on its two campuses, ranging from undergraduate to doctoral level.

As a university of literature, languages, and human and social sciences, it is comprised of 13 teaching units spread over four main areas of teaching and research.

With 33 laboratories and four research federations, which cover the areas of literature, languages, and human and social sciences (LLSHS - Lettres, Langues, Sciences Humaines et Sociales), Université Lumière Lyon 2 bases its approach on innovation, interdisciplinarity, partnership and an international outlook.

Through the projects developed and coordinated by its 1000 researchers, the university would like to enable communication and discussion between the human and social sciences, on one hand, and the hard sciences, on the other, as well as to put research at the centre of current societal and scientific challenges.

Université Lumière Lyon 2 has a strong focus on international cooperation and currently has agreements with 350 institutions throughout the world. International students, whether part of an exchange programme or otherwise, account for more than 15% of the overall student body.

**Description**:
**Context of the study**
- The nowadays challenges are the fast, reliable, and cheap detection of faked packaging and documents. Due to development and broad availability of high-quality printing and scanning devices, the number of forged or counterfeited products and documents is dramatically increasing. Therefore, different security elements have been suggested to prevent this socio-economic plague. One of the most promising and cheap solutions is the use of Copy Detection Patterns (CDP) [1]. A CDP is a maximum entropy image, generated using a secret key or password, that takes full advantage of information loss principle during printing-and-scanning process. Such an unpredictable pattern is highly sensitive to distortions occurring inevitably during production (printing), verification (scanning) and reproduction (duplication) processes.- The large variability of manufacturing chains (variability of printer technologies, paper substrates, etc.), and the variability of fake techniques make the authentication detector less reliable: as we need to find a trade-off between the acceptance of a few fakes as authentic copies and the rejection of originals acquired with lower resolution.- The project
- _TRUSTIT: Theoretical and practical study of physical object security in real world use cases_ aims to explore the potential offered by deep learning methods in the context of CDP secure printing from the verifier's point of view. During this internship we will work on learning a surrogate representation of the degradations added during printing process to the CDP.- The printable unclonable codes are printed at the limit of physical resolution of printing devices, therefore the considered authentication systems take a full advantage of Printing-Digitalization (PD) process. This PD process is considered as physical unclonable function due to the optical and physical instabilities and is hard to be predicted. In current stage, we need to print a big quantity of samples to learn the detectors. Nevertheless, the dataset construction process is very expensive and time-consuming process. Additionally, the data collection process requires dedicated personnel and very strict procedures.- The generative neural networks (GANs) and latent diffusion models recently have showed their efficiency in data generation and style transfer [2,3]. Therefore, we want to use the advances on generative methods to propose the first method to model the PD process degradations.- This modeling is a very important step: it allows not only to predict the expected behavior of ink transfer on the support (paper) but also to ensure a better stability of authentication detectors by considering the influence of pixel neighborhoods. Links and comparisons can be made with existing noise models such as the Kanungo approach [4].- Each printer and digitization device (in this step we will use a scanner) has its own signature. In this internship, we will learn a surrogate representation of one pair printer-scanner using existing large dataset of printable unclonable codes [5]. We will experiment with different architectures of GANs and diffusion networks to identify the best approach for our task.- The pseudo-synthetic samples will be compared with real printed unclonable codes using some commonly used met

  • Stage Modeling Studies and Developement of Modeling

    il y a 2 heures

    Lyon, France OWENS CORNING Temps plein

    **Internship context and expectations** In this context, interns are given real responsibility with the right support to succeed and drive business impact. As a Science & Technology (S&T) Intern, you can expect challenging assignments that leverage and broaden your engineering and science expertise. The experience will provide opportunities to work with...

  • Postdoc in Thermodynamics and Modeling of a

    il y a 1 mois

    Lyon, France Institut Mines-Télécom Temps plein

    **JOB ENVIRONMENT**: - Institut Mines-Télécom_ is the leading public group of engineering and management _Grandes Écoles_ in France. Consisting of eight public graduate _Grandes Écoles_ and two subsidiary graduate schools, _Institut Mines-Télécom_ leads and develops a rich ecosystem of partner schools, economic, academic and institutional partners,...

  • Digitalization /data Engineer (H/F)

    il y a 2 jours

    Lyon, France Volvo Group Temps plein

    France **Position Description** **We are looking for a Digitalization Engineer for our entity (Powertrain Engineering Test Center) at the Lyon Saint-Priest site.** In this role, you will work with the business teams to identify digital transformation opportunities and design customised solutions to improve the effectiveness and efficiency of our...

  • Gec Process Lead and Manager

    il y a 1 mois

    Lyon, France Solvay Temps plein

    Solvay is a science company whose technologies bring benefits to many aspects of daily life. Our purpose—we bond people, ideas and elements to reinvent progress—is a call to go beyond, to reinvent future forms of progress and create sustainable shared value for all through the power of science. In a world facing an ever-growing population and quest for...

  • Gec Process Lead and Manager

    il y a 1 mois

    Lyon, France Solvay Temps plein

    Solvay is a science company whose technologies bring benefits to many aspects of daily life. Our purpose—we bond people, ideas and elements to reinvent progress—is a call to go beyond, to reinvent future forms of progress and create sustainable shared value for all through the power of science. In a world facing an ever-growing population and quest for...

  • Industrial System

    il y a 2 semaines

    Lyon, France Lionstep AG Temps plein

    On behalf of **BOBST group**, we are searching for their next **Industrial System & Process Manager**. **Job Summary** Are you looking for an opportunity to lead project management and contribute to the digital transformation of operations functions? Then keep on reading! As a recruiting partner of BOBST group, we are looking for you as an** Industrial...

  • Lecturer - Economics and Psychology of Management - Lyon - (H/F)

    il y a 2 semaines

    Lyon, France Burgundy School of Business Temps plein

    Job description :The lecturer will contribute to the teaching of the economics part - lasting 16 hours - of a course in "Economics and Psychology of Management" (Bac+3), and/or a 12 hour-long “Organisational Behaviour” Bachelor class (Bac+3) taught in English on the Dijon campus (2 groups) and the Lyon campus (1 group)He/she provides theoretical and...

  • Lecturer - Economics and Psychology of Management - Lyon - (H/F)

    il y a 2 semaines

    Lyon, Rhône, France Burgundy School of Business Temps plein

    Job description :The lecturer will contribute to the teaching of the economics part - lasting 16 hours - of a course in "Economics and Psychology of Management" (Bac+3), and/or a 12 hour-long “Organisational Behaviour” Bachelor class (Bac+3) taught in English on the Dijon campus (2 groups) and the Lyon campus (1 group)He/she provides theoretical and...

  • Lecturer - Economics and Psychology of Management - Lyon - (H/F)

    il y a 2 semaines

    Lyon, France Burgundy School of Business Temps plein

    Job description :The lecturer will contribute to the teaching of the economics part - lasting 16 hours - of a course in "Economics and Psychology of Management" (Bac+3), and/or a 12 hour-long “Organisational Behaviour” Bachelor class (Bac+3) taught in English on the Dijon campus (2 groups) and the Lyon campus (1 group)He/she provides theoretical and...

  • Lecturer - Economics and Psychology of Management - Lyon - (H/F)

    il y a 1 semaine

    Lyon, France Burgundy School of Business - BSB Temps plein

    Job description :The lecturer will contribute to the teaching of the economics part - lasting 16 hours - of a course in "Economics and Psychology of Management" (Bac+3), and/or a 12 hour-long “Organisational Behaviour” Bachelor class (Bac+3) taught in English.He/she provides theoretical and practical tuition on the themes covered in the course,...

  • Lecturer - Economics and Psychology of Management - Lyon - (H/F)

    il y a 1 semaine

    Lyon, Rhône, France Burgundy School of Business - BSB Temps plein

    Job description :The lecturer will contribute to the teaching of the economics part - lasting 16 hours - of a course in "Economics and Psychology of Management" (Bac+3), and/or a 12 hour-long “Organisational Behaviour” Bachelor class (Bac+3) taught in English.He/she provides theoretical and practical tuition on the themes covered in the course,...

  • Lecturer - Economics and Psychology of Management - Lyon - (H/F)

    il y a 1 semaine

    Lyon, France Burgundy School of Business - BSB Temps plein

    Job description :The lecturer will contribute to the teaching of the economics part - lasting 16 hours - of a course in "Economics and Psychology of Management" (Bac+3), and/or a 12 hour-long “Organisational Behaviour” Bachelor class (Bac+3) taught in English.He/she provides theoretical and practical tuition on the themes covered in the course,...

  • Lecturer - Economics and Psychology of Management - Lyon - (H/F)

    il y a 2 jours

    Lyon, France Burgundy School of Business - BSB Temps plein

    Job description :The lecturer will contribute to the teaching of the economics part - lasting 16 hours - of a course in "Economics and Psychology of Management" (Bac+3), and/or a 12 hour-long “Organisational Behaviour” Bachelor class (Bac+3) taught in English.He/she provides theoretical and practical tuition on the themes covered in the course,...

  • EMEA Master Data, System and Process Expert

    il y a 2 semaines

    Lyon, France Envu Temps plein

    We’re Hiring!EMEA Master Data, System and Process Expert (all genders)At Envu, we partner with our customers to design world-class, forward-thinking innovations that protect and enhance the health of environments around the world. We offer dedicated services in: Professional Pest Management, Forestry, Ornamentals, Golf, Industrial Vegetation Management,...

  • EMEA Master Data, System and Process Expert

    il y a 2 semaines

    Lyon, Rhône, France Envu Temps plein

    We’re Hiring!EMEA Master Data, System and Process Expert (all genders)At Envu, we partner with our customers to design world-class, forward-thinking innovations that protect and enhance the health of environments around the world. We offer dedicated services in: Professional Pest Management, Forestry, Ornamentals, Golf, Industrial Vegetation Management,...

  • EMEA Master Data, System and Process Expert

    il y a 2 semaines

    Lyon, France Envu Temps plein

    We’re Hiring!EMEA Master Data, System and Process Expert (all genders)At Envu, we partner with our customers to design world-class, forward-thinking innovations that protect and enhance the health of environments around the world. We offer dedicated services in: Professional Pest Management, Forestry, Ornamentals, Golf, Industrial Vegetation Management,...

  • EMEA Master Data, System and Process Expert

    il y a 3 jours

    Lyon, France Envu Temps plein

    We’re Hiring!EMEA Master Data, System and Process Expert (all genders)At Envu, we partner with our customers to design world-class, forward-thinking innovations that protect and enhance the health of environments around the world. We offer dedicated services in: Professional Pest Management, Forestry, Ornamentals, Golf, Industrial Vegetation Management,...

  • Software engineer – Electro/chemical modeling – w/m

    Il y a 2 mois

    Lyon, France Siemens Industry Software SAS Temps plein

    SiemensSoftware, a business unit of the Siemens Digital Industries, is a leadingglobal provider of software solutions to drive the digital transformation ofindustry, creating new opportunities for manufacturers to realize innovation. About the role Do youenjoy tackling complex problems, have an insatiable appetite for knowledge anda scientific...

  • Silica Process Manager

    il y a 21 heures

    Lyon, France Solvay Temps plein

    Solvay is a science company whose technologies bring benefits to many aspects of daily life. Our purpose—we bond people, ideas and elements to reinvent progress—is a call to go beyond, to reinvent future forms of progress and create sustainable shared value for all through the power of science. In a world facing an ever-growing population and quest for...

  • Thermochemical Heat Storage

    il y a 1 mois

    Lyon, France Ecole des Mines de Saint-Etienne Temps plein

    during the following cycles. In order to predict the behaviour of the materials among the storage cycles, it is crucial to determine reliable kinetic models of both reactions and to quantify the modelling uncertainties. The goals of this PhD thesis will be 1) to study the gas-solid reaction experimentally, 2) to model it and then 3) to quantify the...