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Ego-Motion and EPI Analysis

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Computer Vision

Synonyms

Visualized locus method

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Definition

Stacking up a sequence of images in the order of shooting time, a 3D image having a time axis which is the thickness direction of just one book is obtained. This 3D image is called a spatiotemporal image. If the temporal change of the image is slow, the spatiotemporal image has continuity in the time axis direction as strong as in the image axis directions. An epipolar plane is composed of two camera viewpoints at the start and end times of the moving images and a 3D point on the object. If the camera moves in translation, this object point is constrained on the epipolar plane. When the spatiotemporal image is cut along the epipolar plane, the projection of the object point draws a locus on this cross section. This spatiotemporal cross-sectional image is called an epipolar plane image (EPI). By analyzing the EPI, it is possible to track the objects...

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References

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Authors and Affiliations

  1. Niigata University, Niigata, Japan

    Masanobu Yamamoto

Authors
  1. Masanobu Yamamoto
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Corresponding author

Correspondence to Masanobu Yamamoto .

Section Editor information

  1. Microsoft Research, Beijing, China

    Wenjun Zeng

  2. Microsoft Research, Redmond, WA, USA

    Sing Bing Kang

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Yamamoto, M. (2020). Ego-Motion and EPI Analysis. In: Computer Vision. Springer, Cham. https://doi.org/10.1007/978-3-030-03243-2_873-1

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  • DOI: https://doi.org/10.1007/978-3-030-03243-2_873-1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-03243-2

  • Online ISBN: 978-3-030-03243-2

  • eBook Packages: Springer Reference Computer SciencesReference Module Computer Science and Engineering

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