The Photography Measurement of 3-Dimensional Object Based on Digital Camera

GUAN Ye; TONG Lin; YIN Han

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The Photography Measurement of 3-Dimensional Object Based on Digital Camera

更新时间：2025-07-16

- The Photography Measurement of 3-Dimensional Object Based on Digital Camera
- Acta Electronica Sinica Vol. 30, Issue 6, Pages: 849-852(2002)
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  CLC： TM93
- Published：2002
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GUAN Ye, TONG Lin, YIN Han. The Photography Measurement of 3-Dimensional Object Based on Digital Camera[J]. Acta Electronica Sinica, 2002, 30(6): 849-852.
DOI：

GUAN Ye, TONG Lin, YIN Han. The Photography Measurement of 3-Dimensional Object Based on Digital Camera[J]. Acta Electronica Sinica, 2002, 30(6): 849-852. DOI：

摘要

利用数码相机作为图像传感器识别待测工件各特征点位置

避免了接触式测量方法难以精确瞄准的困难.通过一台数码相机从不同方向拍摄的两幅或两幅以上二维图像

实现实际空间坐标和数码相机像平面坐标的透视变换

并实时完成对三维物体非接触测量的数据采集.同时

提出了一种高效、准确、简单的特征点坐标提取方法

实验证明该方法是有效、可行的.

Abstract

The position of specified points on the measured object can be identified by digital camera as a kind of image sensor

which avoids the difficulties that make touching measurement fail to aim at the specific position preciously.The perspective transform between actual spatial coordinate and digital camera image plane coordinate can be achieved through two or more pieces of 2-dimensional images captured by one digital camera from different directions

which accomplishes the data acquisition of 3-dimensional object non-touch measurement in real time.Besides

a kind of method

which can pick up the coordinates of the specific points more efficiently

accurately and simply

is put forward.It is proved to be efficient and feasible by experiment.

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曲阜师范大学计算机科学学院,山东曲阜

Dept.of Mathematics and System Science,National University of Defense Technology

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