Journal of Digital Convergence (디지털융복합연구)

The Society of Digital Policy and Management (한국디지털정책학회)
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A Study on Effective Stitching Technique of 360° Camera Image

360° 카메라 영상의 효율적인 스티칭 기법에 관한 연구

  • Lee, Lang-Goo (Dept. of Multimedia, Graduate School of Digital Image and Contents, Dongguk University) ;
  • Chung, Jean-Hun (Dept. of Multimedia, Graduate School of Digital Image and Contents, Dongguk University)
  • 이랑구 (동국대학교 영상대학원 멀티미디어학과) ;
  • 정진헌 (동국대학교 영상대학원 멀티미디어학과)
  • Received : 2017.12.15
  • Accepted : 2018.02.20
  • Published : 2018.02.28

Abstract

This study is a study on effective stitching technique for video recorded by using a dual-lens $360^{\circ}$ camera composed of two fisheye lenses. First of all, this study located a problem in the result of stitching by using a bundled program. And the study was carried out, focusing on looking for a stitching technique more efficient and closer to perfect by comparatively analyzing the results of stitching by using Autopano Video Pro and Autopano Giga, professional stitching program. As a result, it was shown that the problems of bundled program were horizontal and vertical distortion, exposure and color mismatch and unsmooth stitching line. And it was possible to solve the problem of the horizontal and vertical by using Automatic Horizon and Verticals Tool of Autopano Video Pro and Autopano Giga, problem of exposure and color by using Levels, Color and Edit Color Anchors and problem of stitching line by using Mask function. Based on this study, it is to be hoped that $360^{\circ}$ VR video content closer to perfect can be produced by efficient stitching technique for video recorded by using dual-lens $360^{\circ}$ camera in the future.

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