Defslam: Tracking and map** of deforming scenes from monocular sequences

J Lamarca, S Parashar, A Bartoli… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Monocular simultaneous localization and map** (SLAM) algorithms perform robustly
when observing rigid scenes; however, they fail when the observed scene deforms, for …

A closed-form, pairwise solution to local non-rigid structure-from-motion

S Parashar, Y Long, M Salzmann… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A recent trend in Non-Rigid Structure-from-Motion (NRSfM) is to express local, differential
constraints between pairs of images, from which the surface normal at any point can be …

Isometric non-rigid shape-from-motion with riemannian geometry solved in linear time

S Parashar, D Pizarro, A Bartoli - IEEE transactions on pattern …, 2017 - ieeexplore.ieee.org
We study Isometric Non-Rigid Shape-from-Motion (Iso-NRSfM): given multiple intrinsically
calibrated monocular images, we want to reconstruct the time-varying 3D shape of a thin …

A benchmark and evaluation of non-rigid structure from motion

SHN Jensen, MEB Doest, H Aanæs… - International Journal of …, 2021 - Springer
Non-rigid structure from motion (nrs fm), is a long standing and central problem in computer
vision and its solution is necessary for obtaining 3D information from multiple images when …

Simultaneous pose and non-rigid shape with particle dynamics

A Agudo, F Moreno-Noguer - proceedings of the IEEE …, 2015 - openaccess.thecvf.com
In this paper, we propose a sequential solution to simultaneously estimate camera pose and
non-rigid 3D shape from a monocular video. In contrast to most existing approaches that rely …

A stable analytical framework for isometric shape-from-template by surface integration

A Chhatkuli, D Pizarro, A Bartoli… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Shape-from-Template (SfT) reconstructs the shape of a deforming surface from a single
image, a 3D template and a deformation prior. For isometric deformations, this is a well …

A scalable, efficient, and accurate solution to non-rigid structure from motion

A Agudo, F Moreno-Noguer - Computer Vision and Image Understanding, 2018 - Elsevier
Abstract Most Non-Rigid Structure from Motion (NRSfM) solutions are based on factorization
approaches that allow reconstructing objects parameterized by a sparse set of 3D points …

Direct and sparse deformable tracking

J Lamarca, JJG Rodríguez, JD Tardós… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
Deformable Monocular SLAM algorithms recover the localization of a camera in an unknown
deformable environment. Current approaches use a template-based deformable tracking to …

Inextensible non-rigid structure-from-motion by second-order cone programming

A Chhatkuli, D Pizarro, T Collins… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
We present a global and convex formulation for the template-less 3D reconstruction of a
deforming object with the perspective camera. We show for the first time how to construct a …

Robust isometric non-rigid structure-from-motion

S Parashar, D Pizarro, A Bartoli - IEEE Transactions on Pattern …, 2021 - ieeexplore.ieee.org
Non-Rigid Structure-from-Motion (NRSfM) reconstructs a deformable 3D object from
keypoint correspondences established between monocular 2D images. Current NRSfM …