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外国地震中应急响应技术研究 被引量:1
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作者 郭佳 秦敏 +2 位作者 魏嘉曦 巫晶 胡耀 《价值工程》 2015年第35期135-137,共3页
应急响应技术常用于地震应急救援和降低地震破坏程度。文章以近年来国外发生的几起重大地震为例,分析了应急响应技术在地震发生后的运用情况,综合研究了各应急响应技术在国外地震中发挥的作用与存在的不足,为我国应急响应技术的研究发... 应急响应技术常用于地震应急救援和降低地震破坏程度。文章以近年来国外发生的几起重大地震为例,分析了应急响应技术在地震发生后的运用情况,综合研究了各应急响应技术在国外地震中发挥的作用与存在的不足,为我国应急响应技术的研究发展提供借鉴。 展开更多
关键词 地震 应急响应 快速绘图 快速响应网络
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Building of cognizing semantic map in large-scale semi-unknown environment
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作者 吴皓 田国会 +2 位作者 李岩 桑森 张海婷 《Journal of Central South University》 SCIE EI CAS 2014年第5期1804-1815,共12页
The quick response code based artificial labels are applied to provide semantic concepts and relations of surroundings that permit the understanding of complexity and limitations of semantic recognition and scene only... The quick response code based artificial labels are applied to provide semantic concepts and relations of surroundings that permit the understanding of complexity and limitations of semantic recognition and scene only with robot's vision.By imitating spatial cognizing mechanism of human,the robot constantly received the information of artificial labels at cognitive-guide points in a wide range of structured environment to achieve the perception of the environment and robot navigation.The immune network algorithm was used to form the environmental awareness mechanism with "distributed representation".The color recognition and SIFT feature matching algorithm were fused to achieve the memory and cognition of scenario tag.Then the cognition-guide-action based cognizing semantic map was built.Along with the continuously abundant map,the robot did no longer need to rely on the artificial label,and it could plan path and navigate freely.Experimental results show that the artificial label designed in this work can improve the cognitive ability of the robot,navigate the robot in the case of semi-unknown environment,and build the cognizing semantic map favorably. 展开更多
关键词 artificial label distributed information representation cognizing semantic map service robot
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