Improved bottom image mosaic method of 720° panoramic camera

Yi-fan XU; Xin-hua WANG; Guang ZHANG; Shao-xin WANG; Ming-da LI; Quan-quan MU; Li XUAN; Da-yu LI

doi:10.37188/CJLCD.2021-0005

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Improved bottom image mosaic method of 720° panoramic camera

Image Processing | 更新时间：2021-09-30

- Improved bottom image mosaic method of 720° panoramic camera
- Chinese Journal of Liquid Crystals and Displays Vol. 36, Issue 10, Pages: 1412-1419(2021)
- 作者机构：
  
  1.中国科学院长春光学精密机械与物理研究所, 应用光学国家重点实验室, 吉林长春 130033
  2.中国科学院大学, 北京 100049
  3.东北电力大学计算机学院, 吉林吉林 132012
  4.吉林省农村经济信息中心, 吉林长春 130033
- 作者简介：
- 基金信息：
  
  Key Scientific and Technological Project of Science and Technology Department of Jilin Province(20180201043GX);Changchun Science and Technology Bureau "Double Ten Project" Major Scientific and Technological Research Projects(18SS003);Provincial and Academy Cooperation Special Fund Project(2019SYHZ0015);Sciene and Technology Research Project of Jilin Provincial Departrnent of Education(JJKH20210115KJ)
- DOI：10.37188/CJLCD.2021-0005
  CLC： P235;TP391.4
- Received：06 January 2021，
  
  Revised：01 March 2021，
  
  Published：2021-10
- 稿件说明：
移动端阅览
Yi-fan XU, Xin-hua WANG, Guang ZHANG, et al. Improved bottom image mosaic method of 720° panoramic camera[J]. Chinese journal of liquid crystals and displays, 2021, 36(10): 1412-1419.
DOI：

Yi-fan XU, Xin-hua WANG, Guang ZHANG, et al. Improved bottom image mosaic method of 720° panoramic camera[J]. Chinese journal of liquid crystals and displays, 2021, 36(10): 1412-1419. DOI： 10.37188/CJLCD.2021-0005.

摘要

针对支架等遮挡物对720°全景相机底部图像造成遮挡的问题，本文提出了一种基于分步拍摄的消除底部支架遮挡方法。通过对侧面、顶部一次拍摄和对底部两次拍摄消除底部遮挡。在此基础上，针对侧面、顶部、底部图像亮度不一致问题进行了优化。基于全局的匀色算法会导致不同区域的图像互相影响，造成匀色结果的偏差，提出了一种基于区域生长法图像分割的Wallis匀色算法。实验结果表明，本文方法能够消除底部图像遮挡；使用本文算法匀色，图像颜色差异较使用基于全局算法减小59.3%。

Abstract

Aiming at the problem that brackets occlude the bottom image of a 720° panoramic camera

a method for eliminating the occlusion of the bottom bracket based on step-by-step shooting is proposed. The bottom occlusion is eliminated by shooting the side and top once and shooting twice on the bottom. On this basis

the inconsistency of image brightness are optimized on the side

top

and bottom. The global uniformity algorithm can cause images in different regions to influence each other

causing deviations in the uniformity results.Therefore

a Wallis uniform color algorithm based on region growing method is proposed for image segmentation.The experimental results show that the method in this paper can eliminate the bottom image occlusion. Using the algorithm in this paper to even color

the image color difference is reduced by 59.3% compared with the global algorithm.

关键词

Keywords

references

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Improved bottom image mosaic method of 720° panoramic camera

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