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Author: Nobuyuki Kita

Affiliation: TICO-AIST Cooperative Research Laboratory for Advanced Logistics (ALLAB), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan

Keyword(s): Panoramic, Equirectangular, Upright Adjustment, Vertical Lines, Omnidirectional, 360 Degree, Spherical.

Abstract: An equirectangular format is often used when an omnidirectional image taken by a 360c̊amera is expanded into a single image, which is referred to as a panoramic image. If an omnidirectional image is expanded into a panoramic image using the upward direction of the inclined camera, the image may look unstable and “wavy.” It is important to correct the inclination using the zenith direction as a reference; this task is called "upright adjustment." In this paper, we propose a method for upright adjustment by estimating the inclination of a camera in a wavy panoramic image using vertical lines in the environment, e.g., indoors or outdoors near a building. The advantage of the proposed method is that 3D straight lines are detected with high accuracy and high speed directly from a panoramic image without passing through a spherical image. Experimental results of upright adjustment of the wavy panoramic images taken in multiple places show that the proposed method is accurate and can be app lied in a wide range of indoor and outdoor scenarios. (More)

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Paper citation in several formats:
Kita, N. (2021). Precise Upright Adjustment of Panoramic Images. In Proceedings of the 16th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2021) - Volume 4: VISAPP; ISBN 978-989-758-488-6; ISSN 2184-4321, SciTePress, pages 99-111. DOI: 10.5220/0010242600990111

@conference{visapp21,
author={Nobuyuki Kita.},
title={Precise Upright Adjustment of Panoramic Images},
booktitle={Proceedings of the 16th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2021) - Volume 4: VISAPP},
year={2021},
pages={99-111},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010242600990111},
isbn={978-989-758-488-6},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 16th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2021) - Volume 4: VISAPP
TI - Precise Upright Adjustment of Panoramic Images
SN - 978-989-758-488-6
IS - 2184-4321
AU - Kita, N.
PY - 2021
SP - 99
EP - 111
DO - 10.5220/0010242600990111
PB - SciTePress

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