Semi-supervised wide-angle portraits correction by multi-scale transformer

F Zhu, S Zhao, P Wang, H Wang… - Proceedings of the …, 2022 - openaccess.thecvf.com
We propose a semi-supervised network for wide-angle portraits correction. Wide-angle
images often suffer from skew and distortion affected by perspective distortion, especially …

Distortion-free wide-angle portraits on camera phones

YC Shih, WS Lai, CK Liang - ACM Transactions on Graphics (TOG), 2019 - dl.acm.org
Photographers take wide-angle shots to enjoy expanding views, group portraits that never
miss anyone, or composite subjects with spectacular scenery background. In spite of the …

Practical wide-angle portraits correction with deep structured models

J Tan, S Zhao, P Xiong, J Liu… - Proceedings of the …, 2021 - openaccess.thecvf.com
Wide-angle portraits often enjoy expanded views. However, they contain perspective
distortions, especially noticeable when capturing group portrait photos, where the …

Using a smartphone camera to analyse rotating and vibrating systems: Feedback on the SURVISHNO 2019 contest

H André, Q Leclère, D Anastasio, Y Benaïcha… - Mechanical systems and …, 2021 - Elsevier
A smartphone is a low-cost pocket wireless multichannel multiphysical data acquisition
system: the use of such a device for noise and vibration analysis is a challenging task. To …

Semi-supervised coupled thin-plate spline model for rotation correction and beyond

L Nie, C Lin, K Liao, S Liu, Y Zhao - arXiv preprint arXiv:2401.13432, 2024 - arxiv.org
Thin-plate spline (TPS) is a principal warp that allows for representing elastic, nonlinear
transformation with control point motions. With the increase of control points, the warp …

A Comprehensive Overview of Fish-Eye Camera Distortion Correction Methods

J Xu, DW Han, K Li, JJ Li, ZY Ma - arXiv preprint arXiv:2401.00442, 2023 - arxiv.org
The fisheye camera, with its unique wide field of view and other characteristics, has found
extensive applications in various fields. However, the fisheye camera suffers from significant …

Snap angle prediction for 360 panoramas

B Xiong, K Grauman - Proceedings of the European …, 2018 - openaccess.thecvf.com
Abstract 360 panoramas are a rich medium, yet notoriously difficult to visualize in the 2D
image plane. We explore how intelligent rotations of a spherical image may enable content …

Does vergence affect perceived size?

P Linton - Vision, 2021 - mdpi.com
Since Kepler (1604) and Descartes (1637), it has been suggested that 'vergence'(the
angular rotation of the eyes) plays a key role in size constancy. However, this has never …

Correcting face distortion in wide-angle videos

WS Lai, Y Shih, CK Liang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Video blogs and selfies are popular social media formats, which are often captured by wide-
angle cameras to show human subjects and expanded background. Unfortunately, due to …

Perspective distortion modeling for image measurements

A Bousaid, T Theodoridis, S Nefti-Meziani… - IEEE Access, 2020 - ieeexplore.ieee.org
A perspective distortion modelling for monocular view that is based on the fundamentals of
perspective projection is presented in this work. Perspective projection is considered to be …