Korean Journal of Optics and Photonics (한국광학회지)

Optical Society of Korea (한국광학회)
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A Method for Estimating a Distance Using the Stereo Zoom Lens Module

양안 줌렌즈를 이용한 물체의 거리추정

  • Hwang, Eun-Seop (Dept. of Information & Communication Eng., Chungbuk Nat'l Univ.) ;
  • Kim, Nam (Dept. of Information & Communication Eng., Chungbuk Nat'l Univ.) ;
  • Kwon, Ki-Chul (Prism Technology Inc.)
  • 황은섭 (충북대학교 정보통신공신공학과) ;
  • 김남 (충북대학교 정보통신공신공학과) ;
  • 권기철 (㈜프리즘테크)
  • Published : 2006.12.25

Abstract

A method of estimating the distance using single zoom camera limits a distance range(only optical axis) in field of view. So, in this paper, we propose a method of estimating the distance information in Stereoscopic display using the stereo zoom lens module for estimating the distance in the wide range. The binocular stereo zoom lens system is composed using a horizontal moving camera module. The left and right images are acquired in polarized stereo monitor for getting the conversion and estimating a distance. The error distance is under 10mm which has difference between optically a traced distance and an estimated distance in left and right range $(0mm{\sim}500mm)$ at center. This presents the system using a function of the zoom and conversion has more precise distance information than that of conversion control. Also, a method of estimating a distance from horizontal moving camera is more precise value than that from toe-in camera by comparing the error distance of the two camera methods.

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  1. Convergence Point Adjustment Improving Visual Discomfort for a Zoom on a Stereoscopic Camera vol.20, pp.5, 2016, https://doi.org/10.3807/JOSK.2016.20.5.633