文物安全箱填充物的切割线自动测定方法

doi:10.13474/j.cnki.11-2246.2018.0307

测绘通报 ›› 2018, Vol. 0 ›› Issue (10): 17-21.doi: 10.13474/j.cnki.11-2246.2018.0307

文物安全箱填充物的切割线自动测定方法

宋月婷¹, 郑顺义¹, 王晓南², 段志鑫³

1. 武汉大学遥感信息工程学院, 湖北武汉 430079;
2. 武汉中观自动化科技有限公司, 湖北武汉 430079;
3. 中国矿业大学环境与测绘学院, 江苏徐州 221116

收稿日期:2017-12-08 修回日期:2018-05-16 出版日期:2018-10-25 发布日期:2018-10-31
作者简介:宋月婷(1993-),女,硕士生,主要研究方向为摄影测量与计算机视觉。E-mail:2016202130062@whu.edu.cn
基金资助:
国家自然科学基金（41671452）

Automatic Method for Extracting Cutting Line of Filler of Cultural Relics' Safety Box

SONG Yueting¹, ZHENG Shunyi¹, WANG Xiaonan², DUAN Zhixin³

1. School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430079, China;
2. Wuhan Zhongguan Automation Technology Company Limited, Wuhan 430079, China;
3. School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China

Received:2017-12-08 Revised:2018-05-16 Online:2018-10-25 Published:2018-10-31

摘要/Abstract

摘要： 文物在运输过程中，通常需要放置在与其形状切合的安全箱中加以保护。目前，安全箱填充物的切割线多由人工对文物进行测量并绘制得到，耗时费力且切割线不能很好地贴合实物。针对这一问题，本文提出一种利用二维影像自动测定切割线的方法。首先，对影像进行预处理并用边界跟踪法提取目标轮廓；其次，利用单应变换矩阵建立像方与物方之间的对应关系，并提出误差修正方程；最后，根据实际需求完成轮廓线的定量缩放和曲线拟合。试验结果表明，本方法可以自动高效地测定切割线且贴合度较好。

关键词: 安全箱, 切割线, 轮廓提取, 单应矩阵, 曲线拟合

Abstract: In the process of transport,the cultural relics need to be placed in a safety box of considerable shape to protect it from damage.At present,the cutting line of the filler of the safety box was measured and drawn manually.This was time consuming and laborious,and the cutting line didn't fit the object very well.To solve these problems,this paper presented a method to automatically determine the cutting line.Firstly,it preprocessed the image and extracted the contour using the boundary tracking method.Secondly,it established the reference relationship between image and object using homography matrix and proposed the error correction equation.Finally,it applied the quantitative scaling and curve fitting to the contours according to the actual needs.The experiments demonstrate that the proposed method can automatically and efficiently determine the cutting line,and the cutting line fits the object well.

Key words: safety box, cutting line, contour extraction, homography matrix, curve fitting

中图分类号:

宋月婷, 郑顺义, 王晓南, 段志鑫. 文物安全箱填充物的切割线自动测定方法[J]. 测绘通报, 2018, 0(10): 17-21.

SONG Yueting, ZHENG Shunyi, WANG Xiaonan, DUAN Zhixin. Automatic Method for Extracting Cutting Line of Filler of Cultural Relics' Safety Box[J]. 测绘通报, 2018, 0(10): 17-21.

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文物安全箱填充物的切割线自动测定方法

Automatic Method for Extracting Cutting Line of Filler of Cultural Relics' Safety Box

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