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2003-2020 全部
为您找到包含“卷积网络”的内容共22

ZHOU Fei,XUE Bin,AN Kangning,GAO Jianjun

Object tracking is a hot and difficult research topic in computer vision. In this paper, we propose a object tracking algorithm based on L2 regularization least squares method and convolution network under the particle filter framework. Firstly, the extent of occlusion can be evaluated by L2 tracker. Secondly, convolutional networks is used to locate the target object if the extent of occlusion satisfies two inequality constraints. In order to make convolutional networks suitable for tracking tasks with high real-time requirements, this thesis uses a simple two-layer convolutional networks to represent the targets robustly. Finally, most of the insignificant samples are removed before applying convolutional networks, which reduces the complexity of the algorithm. The experimental results on numerous challenging image sequences show that the proposed method is more robust and stable than L2 tracker when the target object undergoes dramatic appearance changes such as pose variation or rotation and is superior in accuracy to other classical tracking algorithms.

2018-04-16

National Natural Science Foundation of China(No.61471077

Chongqing Key Laboratory of Optical Communication and Networks, Chongqing University of Posts and Telecommunications, Chongqing, 400065, China;Chongqing Key Laboratory of Optical Communication and Networks, Chongqing University of Posts and Telecommunications, Chongqing, 400065, China;Chongqing Key Laboratory of Optical Communication and Networks, Chongqing University of Posts and Telecommunications, Chongqing, 400065, China;Chongqing Key Laboratory of Optical Communication and Networks, Chongqing University of Posts and Telecommunications, Chongqing, 400065, China,,,

#Electrics, Communication and Autocontrol Technology#

0评论(0 分享(0)

Guo Qin ,Luo Mingxing ,Ma Songya ,Wang Licheng ,Yang Yixian

In this paper, we present an algorithm to construct the convolutional multicast network coding over any finite directed cyclic graph from a brand-new point. In this algorithm, we consider the dual line graph of a directed cyclic graph as a system, in which the global encoding kernels in the original graph are the corresponding inputs or outputs and the local encoding kernels in original graph are gains of channels. Then we can construct the convolutional multicast by using the classical Mason formula on the system.

2009-02-10

National Natural Science Foundation of China and the Research Grants Council of Hong Kong Joint Research(60731160626

National Basic Research Program of China&(2007CB310704

Information Security Center, State Key Laboratory of Networking and Switching Technology,Beijing University of Posts and Telecommunications;National Engineering Laboratory for Disaster Backup and Recovery,Information Security Center, State Key Laboratory of Networking and Switching Technology,Beijing University of Posts and Telecommunications;National Engineering Laboratory for Disaster Backup and Recovery,Information Security Center, State Key Laboratory of Networking and Switching Technology,Beijing University of Posts and Telecommunications;National Engineering Laboratory for Disaster Backup and Recovery,Information Security Center, State Key Laboratory of Networking and Switching Technology,Beijing University of Posts and Telecommunications;National Engineering Laboratory for Disaster Backup and Recovery,Information Security Center,

#Electrics, Communication and Autocontrol Technology#

0评论(0 分享(0)

黄天,肖波

2018-12-18

图像描述是当前人工智能研究中的热门问题,它将计算机视觉与自然语言生成联系起来,目标是实现自动生成符合图像内容的描述文本。图像描述中常常通过迁移图像识别等领域中的深度卷积网络实现图像的特征映射。本文对

School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876,School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876

#计算机科学技术#

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单傲,闫丹凤

2019-11-29

多变量时间序列数据在日常生活中分布广泛,并且在很多领域中得到广泛研究。但是其中仍然存在着一些挑战,比如提取时间序列内部的短期和长期依存关系、捕获序列中的多种周期模式。本文提出了聚类卷积递归神经网络来应对其中的种种问题。经过多变量时间序列聚类之后,模型分别使用卷积递归神经网络与展平卷积递归神经网络来提取不同聚类类别之间与类别内部的差异性与相似性,并且组件中同时使用注意力机制和多个卷积层来捕获序列中不同的周期性模式。本文中提出的模型在各种数据集上的效果都取得了显着改善且具有很高的实用性,所有实验结果将在稍后的论文中展示。

国家重点研发项目(2018YFC0831500

国家自然科学基金(61972047

北京邮电大学网络技术研究院,北京 100876,北京邮电大学网络技术研究院,北京 100876

#计算机科学技术#

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程瑞,鄂海红,宋美娜

2020-04-07

随着近年来知识图谱技术的发展,以图的形式来表示知识已经成为一种大热趋势。但对于领域知识图谱来说,存在信息覆盖率低,知识描述和知识质量低,知识异质性强等问题。因此知识图谱中的知识融合技术引发了越来越多学者的关注,而实体对齐技术便首当其冲。实体对齐是指将存在于不同的知识图谱中,但指向现实世界中相同客观对象的实体链接起来。本文首先介绍了实体对齐任务的基本概念,接着介绍了主流的实体对齐方法,主要包括有监督方法和无监督方法,然后说明了实体对齐实验中主要的数据集和工具、主流的评测方法和相关方法的实验结果等,最后总结了全文,并对未来实体对齐技术的发展提出了展望。

国家自然科学基金(61902034

School of Computer, Beijing University of Posts and Telecommunications, Beijing 100876,School of Computer, Beijing University of Posts and Telecommunications, Beijing 100876,School of Computer, Beijing University of Posts and Telecommunications, Beijing 100876

#计算机科学技术#

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