STATISTICAL-ANALYSIS OF FOCAL-LENGTH CALIBRATION USING VANISHING POINTS

被引：14

作者：

KANATANI, K

机构：

[1] Department of Computer Science Gunma University, Kiryu

来源：

IEEE TRANSACTIONS ON ROBOTICS AND AUTOMATION | 1992年 / 8卷 / 06期

关键词：

D O I：

10.1109/70.182677

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Camera focal-length calibration is analyzed by applying a statistical error model of edge fitting in digital images. The reliability of the focal length is computed from the reliability of the vanishing points, and the reliability of the vanishing points is computed from the reliability of the edges to which lines are fitted. A planar grid pattern is placed in the scene for this purpose, and the 3-D configuration that maximizes the reliability is theoretically derived. Then, multiple data are fused by optimally weighted averaging. A real image example is given.

引用

页码：767 / 775

页数：9

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