Length measurements from monocular images

Alejandra Giron, Juan Zheng, Rigoberto Juarez-Salazar, Victor H. Diaz-Ramirez

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Length measurements provide important information about the three-dimensional world. This is especially useful for decision making in robot vision, path planning in autonomous navigation, and people identification in security application. In this work, we present a length measurement method based on perspective transformations using an uncalibrated camera. The theoretical principles are analyzed and the computational implementation is discussed. The usefulness of our proposal is verified experimentally by measuring relative lengths from experimental monocular images.

Original languageEnglish
Title of host publicationOptics and Photonics for Information Processing XIII
EditorsKhan M. Iftekharuddin, Abdul A. S. Awwal, Victor H. Diaz-Ramirez, Andres Marquez
PublisherSPIE
ISBN (Electronic)9781510629653
DOIs
StatePublished - 2019
EventOptics and Photonics for Information Processing XIII 2019 - San Diego, United States
Duration: 13 Aug 201914 Aug 2019

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume11136
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceOptics and Photonics for Information Processing XIII 2019
Country/TerritoryUnited States
CitySan Diego
Period13/08/1914/08/19

Keywords

  • homography
  • length measurements
  • perspective transformation
  • vanishing point

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