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舰船运行过程体系复杂,通过对舰船运行信息提取,实现对舰船的实时状态监测,提出基于遥感图像的舰船运行信息提取方法。采用遥感探测方法进行舰船运行的图像采集,对采集的舰船遥感图像进行级联小波降噪处理,采用模板匹配方法进行舰船运行遥感图像的分块融合,实现运行状态特征量的图像反馈识别。根据对遥感图像的边缘轮廓检测结果进行舰船运行状态的实时监测和信息提取,提高舰船运行状态的可视化量化分析能力。仿真结果表明,采用该方法进行舰船运行信息提取能准确检测到舰船的运行特征信息,输出图像的信噪比较高,舰船运行状态的视觉监测性能较好。 相似文献
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海上舰船的目标检测和特征提取是非常重要的研究课题,不仅可以用于军事领域的敌方船只侦察,还可以用于海上交通管理和渔船监管等领域。高分辨率的舰船光学遥感图像含有丰富的舰船航行状态信息,研究舰船光学遥感图像的分析技术有助于提高舰船目标识别和特征提取的效率。本文详细介绍了图像处理技术中的PQFT模型和小波变换理论,并基于PQFT模型和小波变换研究了舰船高分辨率遥感图像的识别和特征提取技术,有重要的理论和实际应用意义。 相似文献
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提出了一种基于遥感图像变化检测的舰船毁伤效果评估方法,主要包括图像预处理、舰船检测、毁伤前后目标区域提取、特征提取和分级评估五个部分。研究了目标区域提取和变化特征选取等问题,提取几何特征与纹理特征进行分级评估。基于视景仿真技术进行了舰船毁伤效果模拟,采用模拟的图像进行毁伤效果评估仿真实验。实验结果表明,该方法能有效地实现对海上舰船目标的毁伤效果评估。 相似文献
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《船舶与海洋工程学报》2014,(1):126-126
正San Francisco,California,June 8-13,2014.OMAE 2014 is the ideal forum for researchers,engineers,managers,technicians and students from the scientific and industrial communities from around the world to:·meet and present advances in technology and its scientific support;·to exchange ideas and experiences whilst promoting technological progress and its application in industry·to promote international cooperation in ocean,offshore and arctic engineering.In line with the tradition of excellence of previous OMAE conferences,more than 900 technical papers are planned for presentation.Outreach for Engineers Specialty Forum This Specialty Forum is designed for students and professionals who may not be familiar with the Ocean and Offshore industry,as well as those who have just recently specialized in this field. 相似文献
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《船舶与海洋工程学报》2014,(2)
正In the paper"Influence of Fouling Assemblage on the Corrosion Behaviour of Mild Steel in the Coastal Waters of The Gulf of Mannar,India"in Vol.12,No.4,Page:509,References were lost,and the two authors’biographies were identical.The correct text is shown below.We apologize to the authors and our readers for any inconvenience caused by the errors. 相似文献
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联合作战计划和执行系统 总被引:2,自引:1,他引:1
全球指挥控制系统(GCCS)实施当前美国海军网络中心战信息基础设施的联合计划网络。联合作战计划和执行系统(JOPES)支持GCCS实现联合计划。JOPES有两类计划:时间不限的精密预案计划生成作战计划、方案计划或职能计划;时间敏感的危机行动计划生成作战命令或战役方案。前者在和平时期创建的作战计划是后者的计划基础,加速应付危机的能力。 相似文献
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《船舶与海洋工程学报》2014,(1)
正19–24 October 2014 SingaporeCONFERENCE THEMES The overall aim of the ICHD Conference is to provide a forum for participants from around the world to review,discuss and present the latest developments in the broad discipline of hydrodynamics and fluid mechanics.The first International Conference on Hydrodynamics(ICHD)was initiated in 1994 in Wuxi,China.Since then,9 more ICHD conferences were held subsequently in Hong Kong,Seoul,Yokohama,Tainan,Perth,Ischia,Nantes,Shanghai and St Petersburg.Evidently the ICHD conference has become an important event among academics,researchers,engineers and operators,working in the fields closely related to the science and technology of hydrodynamics.The 11th ICHD will be held in Singapore in 2014. 相似文献
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《船舶与海洋工程学报》2014,(2)
正November 4-6,2014Moody Gardens HotelConvention Center/Galveston,TX The Deepwater Operations Conference and Exhibition is celebrating its 12th anniversary this year.This growing event will continue the tradition of excellence in addressing operational challenges involved in developing deepwater resources.We will return to the Moody Gardens Hotel and Convention Center on November 5-7,2014 in Galveston,Texas. 相似文献
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In terms of equal sailing distances, where is the inflexion when ships depart from ports in the Asian Continent to New York via Suez and/or Panama?
The answer is China South Port Group (Hong Kong, Shenzhen and Guangzhou). 相似文献
The answer is China South Port Group (Hong Kong, Shenzhen and Guangzhou). 相似文献
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桥梁防撞设施物理模型试验 总被引:1,自引:0,他引:1
物理模型试验是预报防撞设施所受撞击力及优化设计方案的主要方法之一。结合杭州湾大桥柔性防撞设施及东海大桥独立式防撞体设计方案,阐述了船—防撞体撞击试验的基本原理、方法、试验方案及相关试验结果。提出了柔性防撞系统的优化方案。试验结果表明,该方案经济有效,可供预报类似桥梁防撞设施撞击力时参考。 相似文献
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印尼某电厂项目码头水工建筑物包括码头、防波堤和护岸等主要组成部分。在该项目水工建筑物的设计过程中,综合考虑当地的自然条件、施工能力和材料来源等因素,不断优化结构选型和结构断面。根据不同使用要求,护岸分别采用直立式和斜坡式2种结构型式,推荐的设计方案节省投资、施工方便,可供同类工程设计参考。 相似文献