...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>日本マリンエンジニアリング学会誌 >Real-time Tracking of Offshore Vessel Using Pan-tilt Camera for Keeping a Lookout
【24h】

Real-time Tracking of Offshore Vessel Using Pan-tilt Camera for Keeping a Lookout

机译：使用PAN倾斜摄像机进行海上船舶的实时跟踪保持景观

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The authors are considering a system to assist a lookout on ships using cameras. In this research, we propose a method of tracking offshore vessels continuously by using a PT (Pan-Tilt) camera. Radar and AIS (Automatic Identification System) are mounted on the ship as equipment to assist a lookout. Radar is essential and widely used in order to obtain information around own ship and find other vessels. However, it is not a perfect device and has some faults, for example, non-detection small vessels under the influence of the noise caused by sea clutter and so on. Also, AIS is not mounted on all vessels and information on AIS is not always trustworthy. In view of these reasons, a lookout by crews is indispensable. But there is a possibility of overlooking and many marine accidents with an insufficient lookout have occurred. We believe that a system that assists a lookout using cameras is thought to be effective in suppressing marine accidents. Previous studies have dealt with wide-angle images when monitoring offshore vessels. On the contrary, zoom images are effective on gazing at a specific vessel or obtaining detailed information, such as bow direction and moving direction. However, the orientation of the cam- era is necessary to be controlled because the field of view becomes narrow when it zooms. Furthermore, when gazing at the vessels continuously, the orientation of the camera must be directed to the target vessel. Therefore, we propose a fundamental method of controlling the orientation of the camera so that the vessel is located at the center of the image continuously. In this paper, we mainly describe a method to track a vessel on the image sequence, control theory of the camera orientation and the experimental results of real-time camera control to track a vessel.
机译：作者正在考虑使用相机协助船舶扫描的系统。在本研究中，我们提出了一种通过使用PT（PAN倾斜）相机连续跟踪近海血管的方法。雷达和AIS（自动识别系统）安装在船上作为设备，以协助景观。雷达是必不可少的，广泛使用，以便在自己的船上获取信息并找到其他船只。然而，它不是一个完美的设备，并且具有一些故障，例如，在海杂波引起的噪声的影响下是非检测小血管。此外，AIS未安装在所有船只上，并且关于AIS的信息并不总是值得信赖的。鉴于这些原因，船员的景观是必不可少的。但是有可能忽视，许多海洋事故发生了不足的景观。我们相信，一个有助于使用相机的监视的系统被认为有效地抑制海洋事故。以前的研究在监控海上船舶时处理了广角图像。相反，缩放图像对凝视特定血管或获得详细信息，例如弓方向和移动方向。但是，需要控制凸轮时代的方向，因为在缩放时视场变窄。此外，当连续地凝视容器时，相机的取向必须被引导到目标容器。因此，我们提出了一种控制相机取向的基本方法，使得船只连续地位于图像的中心。在本文中，我们主要描述一种跟踪图像序列的船舶的方法，控制摄像机方向的控制理论和实时摄像机控制跟踪船只的实验结果。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号