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Publications associées (37)
Biokinetic process model diagnosis with shape-constrained spline functions
Dominique Bonvin, Julien Léo Billeter, Sriniketh Srinivasan
Model-structure identification is important for the optimization and design of biokinetic processes. Standard Monod and Tessier functions are often used by default to describe bacterial growth with respect to a substrate, leading to significant optimizatio ...
2016Fabrication-Aware Design with Performative Criteria
Yuliy Gennadievich Schwartzburg
Artists and architects often need to handle multiple constraints during design of physical constructions. We define a performative constraint as any constraint on design that is tied to the performance of the model--either during fabrication, construction, ...
EPFL2015Mathematical analysis of variational isogeometric methods
Annalisa Buffa, Rafael Vazquez Hernandez
This review paper collects several results that form part of the theoretical foundation of isogeometric methods. We analyse variational techniques for the numerical resolution of PDEs based on splines or NURBS and we provide optimal approximation and error ...
2014Fabrication-aware Design with Intersecting Planar Pieces
Mark Pauly, Yuliy Gennadievich Schwartzburg
We propose a computational design approach to generate 3D models composed of interlocking planar pieces. We show how intricate 3D forms can be created by sliding the pieces into each other along straight slits, leading to a simple construction that does no ...
Blackwell Publishing2013A reduced-order strategy for solving inverse Bayesian shape identication problems in physiological flows
Alfio Quarteroni, Gianluigi Rozza, Andrea Manzoni, Toni Mikael Lassila
A reduced-order strategy based on the reduced basis (RB) method is developed for the efficient numerical solution of statistical inverse problems governed by PDEs in domains of varying shape. Usual discretization techniques are infeasible in this context, ...
Springer2013Cross-pose Facial Expression Recognition
Hazim Kemal Ekenel, Nuri Murat Arar, Fatma Guney
In real world facial expression recognition (FER) applications, it is not practical for a user to enroll his/her facial expressions under different pose angles. Therefore, a desirable property of a FER system would be to allow the user to enroll his/her fa ...
2013Direct Detection of Small Motion from Computed Tomography Images
Jean-Philippe Thiran, Shima Sepehri
In this paper we present a new methodology to extract the small error-prone motion recorded during a Computed Tomography (CT) imaging directly from the sinogram. In comparison to the use of the usual reconstructed images, this approach has the advantage to ...
EUSIPCO2013Variational B-Spline Level-Set: A Linear Filtering Approach for Fast Deformable Model Evolution
Michaël Unser, Philippe Thévenaz, Olivier Bernard
In the field of image segmentation, most level-set-based active-contour approaches take advantage of a discrete representation of the associated implicit function. We present in this paper a different formulation where the implicit function is modeled as a ...
IEEE2009Implicit meshes
This thesis proposes novel ways both to represent the static surfaces, and to parameterize their deformations. This can be used both by automated algorithms for efficient 3–D shape reconstruction, and by graphics designers for editing and animation. Deform ...
EPFL2005Shape modeling with point-sampled geometry
We present a versatile and complete free-form shape modeling framework for point-sampled geometry. By combining unstructured point clouds with the implicit surface definition of the moving least squares approximation, we obtain a hybrid geometry representa ...
2003