Results 11 to 20 of about 1,209,713 (321)
Anamorphic Free-Form Deformation
Computer Aided Geometric Design, 2016 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sánchez-Reyes, Javier +1 more
semanticscholar +4 more sources
Fast free-form deformation using graphics processing units [PDF]
Computer Methods and Programs in Biomedicine, 2010 A large number of algorithms have been developed to perform non-rigid registration and it is a tool commonly used in medical image analysis. The free-form deformation algorithm is a well-established technique, but is extremely time consuming. In this paper we present a parallel-friendly formulation of the algorithm suitable for graphics processing unit
Modat, M. +7 more
openaire +4 more sources
A ∞ algebras from slightly broken higher spin symmetries
Journal of High Energy Physics, 2019 We define a class of A ∞-algebras that are obtained by deformations of higher spin symmetries. While higher spin symmetries of a free CFT form an associative algebra, the slightly broken higher spin symmetries give rise to a minimal A ∞-algebra extending
Alexey Sharapov, Evgeny Skvortsov
doaj +3 more sources
International Journal of Naval Architecture and Ocean Engineering, 2018 Hydrofoil is the direct component to generate thrust for underwater glider. It is significant to improve propulsion efficiency of hydrofoil. This study optimizes the shape of a hydrofoil using Free-Form Deformation (FFD) parametric approach and Surrogate-
Xinjing Wang +3 more
doaj +2 more sources
Free-form deformation of solid geometric models
Proceedings of the 13th annual conference on Computer graphics and interactive techniques, 1986 A technique is presented for deforming solid geometric models in a free-form manner. The technique can be used with any solid modeling system, such as CSG or B-rep. It can deform surface primitives of any type or degree: planes, quadrics, parametric surface patches, or implicitly defined surfaces, for example.
Thomas W. Sederberg, Scott R. Parry
openaire +2 more sources
Parameterization adaption for 3D shape optimization in aerodynamics [PDF]
International Journal of Science and Engineering, 2014 When solving a PDE problem numerically, a certain mesh-refinement process is always implicit, and very classically, mesh adaptivity is a very effective means to accelerate grid convergence.
Badr Abou El Majd
doaj +5 more sources
Hull form optimization with a new three-dimensional deformation strategy. [PDF]
Sci RepAs a variant of the Lackenby method, the shifting method is widely used for global geometric deformation in hull form optimization. However, similar to the traditional approach, it is confined to longitudinal transformations, limiting adjustments in beam
Wei D +5 more
europepmc +2 more sources
Estimating 4D-CBCT from prior information and extremely limited angle projections using structural PCA and weighted free-form deformation for lung radiotherapy. [PDF]
Med Phys, 2017 Harris W, Zhang Y, Yin FF, Ren L.
europepmc +2 more sources
Optimising Multimodal Image Registration Techniques: A Comprehensive Study of Non-Rigid and Affine Methods for PET/CT Integration. [PDF]
Diagnostics (Basel)Background/Objective: Multimodal image registration plays a critical role in modern medical imaging, enabling the integration of complementary modalities such as positron emission tomography (PET) and computed tomography (CT).
Ali B +5 more
europepmc +2 more sources
Learning Free-Form Deformation for 3D Face Reconstruction from In-The-Wild Images [PDF]
IEEE International Conference on Systems, Man and Cybernetics, 2021 The 3D Morphable Model (3DMM), which is a Principal Component Analysis (PCA) based statistical model that represents a 3D face using linear basis functions, has shown promising results for reconstructing 3D faces from single-view in-the-wild images ...
Harim Jung +2 more
semanticscholar +1 more source