End-to-End Monocular Vanishing Point Detection Exploiting Lane Annotations

Vanishing points (VPs) play a vital role in various computer vision tasks, especially for recognizing the 3D scenes from an image. In the real-world scenario of automobile applications, it is costly to manually obtain the external camera parameters when the camera is attached to the vehicle or the a...

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Bibliographic Details
Published in:arXiv.org 2021-08
Main Authors: Honda, Hiroto, Kimura, Motoki, Karasawa, Takumi, Uchida, Yusuke
Format: Article
Language:English
Subjects:
Annotations
Cameras
Computer vision
Labels
Mathematical analysis
Object recognition
Online Access:Get full text
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Summary:Vanishing points (VPs) play a vital role in various computer vision tasks, especially for recognizing the 3D scenes from an image. In the real-world scenario of automobile applications, it is costly to manually obtain the external camera parameters when the camera is attached to the vehicle or the attachment is accidentally perturbed. In this paper we introduce a simple but effective end-to-end vanishing point detection. By automatically calculating intersection of the extrapolated lane marker annotations, we obtain geometrically consistent VP labels and mitigate human annotation errors caused by manual VP labeling. With the calculated VP labels we train end-to-end VP Detector via heatmap estimation. The VP Detector realizes higher accuracy than the methods utilizing manual annotation or lane detection, paving the way for accurate online camera calibration.
ISSN:2331-8422