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Reference : UMR1563-MARBOU-003
Workplace : NANTES
Date of publication : Wednesday, September 02, 2020
Scientific Responsible name : Daniel Siret
Type of Contract : PhD Student contract / Thesis offer
Contract Period : 36 months
Start date of the thesis : 1 October 2020
Proportion of work : Full time
Remuneration : 2 135,00 € gross monthly
Description of the thesis topic
The PhD student will be hired as part of the PERCILUM project, whose overall objective is to develop new immersive visualization and apprehension tools regarding light ambiances. Coordinating pedagogical, scientific and technical stakes, the point is to reduce the difference in visual perception between a real scene and the same one while it is viewed through immersive visualization devices with free viewpoint. These devices will allow us to improve the pedagogy of light ambiances and to help decision-making for actors involved in lighting.
PERCILUM is funded by the Agence Nationale de la Recherche (ANR) within the framework of the 2019 generic call for projects. It is carried out by a pluridisciplinary team of researchers from four laboratories: the Ambiances, Architectures, Urbanités laboratory (AAU, UMR 1563) at the Graduate School of Architecture (ENSA) of Nantes; the Laboratoire des Sciences du Numérique of Nantes (LS2N, UMR 6004) at the University of Nantes; the Génie Civil et Bâtiment laboratory (LGCB) at the Graduate School of Public Works in Vaulx-en-Velin; and the Environnement Ville Société Laboratory (EVS, UMR 5600) at the University of Lyon. The project is held over 48 months, starting in April 2020. It is coordinated by Céline DROZD at the AAU Laboratory at ENSA Nantes.
The thesis is part of the third stage of the PERCILUM project. It should lead to the characterization and modelling of the situated and embodied perception of light ambiances, depending on the architectural and light characteristics of the scene and of the output device according to different perceptual dimensions (fidelity to reality, comfort, affective, aesthetic dimensions, etc.). This thesis will focus on the place of movement and of the sequences of the moving body as to understand the ways in which we grasp and apprehend contribute to the understanding and qualification of luminosity.
For this purpose, it will be necessary to develop new ad hoc experimental protocols, to test the perceived quality of the light ambiances on site and in laboratory in order to propose, from the analysis of the collected data, a characterization of the situation perception of light ambiances. In this thesis, the point will be to specifically cross the quantitative and qualitative methods, between first person (explication interview, methods of qualitative sociology, commented walks) and third person (behavioural measures, video recording, eye tracking), through an interdisciplinary approach.
- Prepare a state of the art regarding visual perception, situated/embodied cognition, light ambiances in interior spaces, methodologies for the measure of the lived experience.
- Implement in-situ experiment protocols: selection of objective/subjective methods for the collection of the lived experience (1st and 3rd person), selection of perception dimensions of the ambiances studied, implementation of the experiment and analysis of results.
- Implement experiment protocols on digital devices: adaptation of the protocol to the particularities of the output digital devices, implementation of the experiment and analysis of results.
- Analyse in-situ/lab results and perceptual characterisation of ambiances depending on their restitution.
- Model the sensitive experience of in-situ light ambiances and in digital devices.
- Write the thesis manuscript.
- Participate in the writing of an exploitation publication of the work done.
The selected PhD student will carry out his or her work at the AAU laboratory at ENSA Nantes and at the LS2N at the École Polytechnique of the University of Nantes, in collaboration with the LGCB and EVS laboratories in Lyon.
He or she will register to the Engineering Sciences (SPI) doctoral school, which coordinates the training and research curriculum of PhD students from 15 laboratories (https://ed-spi.doctorat-bretagneloire.fr/fr).
The thesis supervision will be done by Daniel Siret as thesis supervisor, Toinon Vigier and Céline Drozd.
Daniel Siret is an architect, researcher for the French Ministry of Culture (ENSA Nantes), PhD in architecture, HDR, UMR AAU director, specialist of insolation in architecture.
Toinon Vigier is a lecturer at Polytech Nantes (University of Nantes), researcher in the Image Perception Interaction team of LS2N, specialist of the study, analysis and prediction of user experience in immersive and interaction multimedia applications.
Céline Drozd is a professional architect, PhD in architecture, research for the French Ministry of Culture (ENSA Nantes), specialist of light in architecture and pedagogy of ambiances. She is the scientific director of the PERCILUM ANR project, to which this thesis belongs.
Constraints and risks
Travels could take place during the realization of the in-situ experiments, depending on the buildings selected as part of the reference corpus. It will also be necessary to participate in the work meetings in Nantes or in Lyon with the PERCILUM project partners.
Given the interdisciplinary element of the research, the selected candidate can have an education in several education fields:
- Master 2 in architecture or design with a strong interest for image processing.
- Master 2 in psychology/humanities with a strong interest for image processing.
- Master 2 or engineering degree in computer science/signal and image processing with a strong interest for humanities.
- Ability to work independently, organizational ability.
- Spoken and written communication skills: dissertation, article, scientific report.
- Good command of spoken and written English (presentations, interviews and publications).
In accordance with the CNRS commitment to the European Human Resources Strategy for Researchers (HRS4R), the candidates must apply on the application platform of the Portail Emploi of CNRS (employ.cnrs.fr), to the exclusion of all other procedures. The application should include:
- A cover letter (between 5,000 and 10,000 characters) highlighting the relevant of the candidate's profile and his or her contributions of the PERCILUM ANR project,
- A short personal CV (1 page maximum),
- A detailed academic and scientific CV.
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