Spatial feature mapping for 6DoF object pose estimation

J Mei, X Jiang, H Ding - Pattern Recognition, 2022 - Elsevier
This work aims to estimate 6Dof (6D) object pose in background clutter. Considering the
strong occlusion and background noise, we propose to utilize the spatial structure for better …

2017 ICCV challenge: Detecting symmetry in the wild

C Funk, S Lee, MR Oswald… - Proceedings of the …, 2017 - openaccess.thecvf.com
Motivated by various new applications of computational symmetry in computer vision and in
an effort to advance machine perception of symmetry in the wild, we organize the third …

Radially-distorted conjugate translations

J Pritts, Z Kukelova, V Larsson… - Proceedings of the …, 2018 - openaccess.thecvf.com
This paper introduces the first minimal solvers that jointly solve for affine-rectification and
radial lens distortion from coplanar repeated patterns. Even with imagery from moderately …

Endless loops: detecting and animating periodic patterns in still images

T Halperin, H Hakim, O Vantzos, G Hochman… - ACM Transactions on …, 2021 - dl.acm.org
We present an algorithm for producing a seamless animated loop from a single image. The
algorithm detects periodic structures, such as the windows of a building or the steps of a …

Detecting approximate reflection symmetry in a point set using optimization on manifold

R Nagar, S Raman - IEEE Transactions on Signal Processing, 2019 - ieeexplore.ieee.org
We propose an algorithm to detect approximate reflection symmetry present in a set of
volumetrically distributed points belonging to ℝ d containing a distorted reflection symmetry …

Learning to group discrete graphical patterns

Z Lun, C Zou, H Huang, E Kalogerakis, P Tan… - ACM Transactions on …, 2017 - dl.acm.org
We introduce a deep learning approach for grouping discrete patterns common in graphical
designs. Our approach is based on a convolutional neural network architecture that learns a …

Combining appearance and gradient information for image symmetry detection

A Gnutti, F Guerrini, R Leonardi - IEEE Transactions on Image …, 2021 - ieeexplore.ieee.org
This work addresses the challenging problem of reflection symmetry detection in
unconstrained environments. Starting from the understanding on how the visual cortex …

Detecting rotational symmetry in polar domain based on sift

H Akbar, MM Iqbal, A Ali, A Parveen, NA Samee… - IEEE …, 2023 - ieeexplore.ieee.org
Symmetry is everywhere, found in objects around us, whether artificial or natural, and acts
as a mid-level cue for both human and machine perception of the chaotic real world. From …

Fast and accurate intrinsic symmetry detection

R Nagar, S Raman - Proceedings of the European …, 2018 - openaccess.thecvf.com
In computer vision and graphics, various types of symmetries are extensively studied since
symmetry present in objects is a fundamental cue for understanding the shape and the …

Rectification from radially-distorted scales

J Pritts, Z Kukelova, V Larsson, O Chum - Computer Vision–ACCV 2018 …, 2019 - Springer
This paper introduces the first minimal solvers that jointly estimate lens distortion and affine
rectification from repetitions of rigidly-transformed coplanar local features. The proposed …