Active Subdivision Surfaces for The Semiautomatic
il y a 3 semaines
Le descriptif de l’offre ci-dessous est en Anglais_
**Type de contrat **:Convention de stage
**Niveau de diplôme exigé **:Bac + 3 ou équivalent
**Fonction **:Stagiaire de la recherche
**Contexte et atouts du poste**:
Deformable models (a.k.a. snakes or active contours/surfaces) are efficient segmentation models in bioimaging, allowing the characterization of the spatial organization of biological specimens. They consist in flexible contours that deform in an image from an initial user-provided configuration toward the boundary of the object to be segmented. The deformation is driven by the minimization of a suitable cost functional, often called energy.
**Mission confiée**:
We developed a new 3D deformable models [2] based on subdivision surfaces. Subdivision is a powerful scheme to generate curves/surfaces of arbitrary topology starting from an initial coarse mesh. A refinement process, described by a subdivision mask, is recursively applied to the initial mesh to produce a continuously defined limit curve/surface. The main benefits of this representation are its simplicity of implementation and its multiresolution property, which allows for the contour of the shape to be represented at varying resolutions.
**Principales activités**:
The goals of this project are to:
- Discover the theory of deformable models and to understand the mathematics involved
- Develop new energies to improve the efficiency of the method. For instance, develop a novel energy to prevent deformable models from twisting and self-intersecting during its deformation.
- Improve the implementation of the method (display, interaction, ) to make the method ready for its dissemination on the platform Icy.
This project is at the frontier of applied mathematics, image processing/analysis, computer science, and biophysics.
**Informations générales**:
- **Thème/Domaine**: Biologie numérique
Biologie et santé, Sciences de la vie et de la terre (BAP A)
- **Ville**: Rennes
- **Centre Inria**: Centre Inria de l'Université de Rennes
- **Date de prise de fonction souhaitée**: 2024-03-01
- **Durée de contrat**: 6 mois
- **Date limite pour postuler**: 2024-04-15
**Consignes pour postuler**:
**Sécurité défense**:
Ce poste est susceptible d’être affecté dans une zone à régime restrictif (ZRR), telle que définie dans le décret n°2011-1425 relatif à la protection du potentiel scientifique et technique de la nation (PPST). L’autorisation d’accès à une zone est délivrée par le chef d’établissement, après avis ministériel favorable, tel que défini dans l’arrêté du 03 juillet 2012, relatif à la PPST. Un avis ministériel défavorable pour un poste affecté dans une ZRR aurait pour conséquence l’annulation du recrutement.
**Politique de recrutement**:
Dans le cadre de sa politique diversité, tous les postes Inria sont accessibles aux personnes en situation de handicap.
**Contacts**:
- **Équipe Inria**: SAIRPICO
- **Recruteur**:
**A propos d'Inria**:
Inria est l’institut national de recherche dédié aux sciences et technologies du numérique. Il emploie 2600 personnes. Ses 215 équipes-projets agiles, en général communes avec des partenaires académiques, impliquent plus de 3900 scientifiques pour relever les défis du numérique, souvent à l’interface d’autres disciplines. L’institut fait appel à de nombreux talents dans plus d’une quarantaine de métiers différents. 900 personnels d’appui à la recherche et à l’innovation contribuent à faire émerger et grandir des projets scientifiques ou entrepreneuriaux qui impactent le monde. Inria travaille avec de nombreuses entreprises et a accompagné la création de plus de 200 start-up. L'institut s'efforce ainsi de répondre aux enjeux de la transformation numérique de la science, de la société et de l'économie.
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