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Calibration for agricultural vehicle omni-vision localization system

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成果类型:
期刊论文
作者:
Li, Ming;Liu, Zhonghua;Imou, K.
通讯作者:
Li, M.
作者机构:
[Liu, Zhonghua] National Research Center of Engineering Technology, Utilization of Functional Ingredients from Botanicals, Hunan, Changsha 410128, China
College of Engineering, Hunan Agricultural University, Hunan, Changsha 410128, China
Hunan Provincial Engineering Technology, Research Center for Modern Agricultural Equipment, Changsha 410128, China
[Imou, K.] Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
[Li, Ming] National Research Center of Engineering Technology, Utilization of Functional Ingredients from Botanicals, Hunan, Changsha 410128, China, College of Engineering, Hunan Agricultural University, Hunan, Changsha 410128, China, Hunan Provincial Engineering Technology, Research Center for Modern Agricultural Equipment, Changsha 410128, China
通讯机构:
[Li, M.] N
National Research Center of Engineering Technology, Utilization of Functional Ingredients from Botanicals, China
语种:
英文
关键词:
Agricultural vehicle;Calibration;Localization;Omni-vision sensor
期刊:
Advanced Science Letters
ISSN:
1936-6612
年:
2013
卷:
19
期:
12
页码:
3491-3495
机构署名:
本校为其他机构
院系归属:
工学院
摘要:
Accurate calibration of a vision system is necessary for any computer vision task. A fast and practical calibration method of omni-vision system for agricultural vehicle localization system was developed. The calibration method utilized a 2D calibration pattern that can be freely moved. Without a priori knowledge of the motion, the boundary ellipse of the catadioptric image and field of view were used to obtain principal point and focal length. The extrinsic parameters were initialized via the homography from the calibration pattern to a virtua...

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