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vector graph
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    The vector graph system is recommended for the communication resource management system.
    文章简要介绍了电力通信网资源管理系统的实现和应用。
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  vector graph
A model relating the input vector graph to the curves to be detected is proposed.
      
Hierarchical Image Segmentation-Part I: Detection of Regular Curves in a Vector Graph
      


A new method of Voiced/Unvoiced/Silence classifications of speech signal,Graph Templet Matching Method of Speech Waveform has been proposed.The basic principle involves two steps.First the standard vector templet of each class(U/V/S) is deduced by use of wave form of speech signal.then the input signal waveform is transformed into the vector graph,which is compared with the standard templet.In addition to the simplicity and high efficiency,this new method has higher precision in classifying transitional...

A new method of Voiced/Unvoiced/Silence classifications of speech signal,Graph Templet Matching Method of Speech Waveform has been proposed.The basic principle involves two steps.First the standard vector templet of each class(U/V/S) is deduced by use of wave form of speech signal.then the input signal waveform is transformed into the vector graph,which is compared with the standard templet.In addition to the simplicity and high efficiency,this new method has higher precision in classifying transitional frame than some other classification methods.It also shows adequate performance of resisting burst noise.

提出了一种判别语音静、清、浊三态S/U/V的新方法———语音波形图像模板匹配法。它的基本原理是首先利用语音信号的波形图 ,导出静、清、浊三态的标准矢量模板 ,然后将输入信号波形转换成矢量图 ,与标准模板进行比较。此法不仅简单、高效 ,而且对于过渡帧的判别精度高于其它一些判别法 ,并具有一定的抗突发噪音性能。

The application and implement of resource management system of power telecommunication network was introduced in this paper. The communication resource management system is important to improve the self manage capability and the competition of power telecommunication system. The vector graph system is recommended for the communication resource management system. A complete communication resource management system for power telecommunication should have these management function, such as site and device...

The application and implement of resource management system of power telecommunication network was introduced in this paper. The communication resource management system is important to improve the self manage capability and the competition of power telecommunication system. The vector graph system is recommended for the communication resource management system. A complete communication resource management system for power telecommunication should have these management function, such as site and device management, cable corridor management, fiber cable management, cable management, transport network management and access network management. In addition, the key problem of implementation of communication resource management system is mentioned and the collection and import of resource information is emphasized in this paper.

电力通信资源管理系统对电力通信系统提高自身的管理能力和提高企业的竞争力方面具有重要意义。文章简要介绍了电力通信网资源管理系统的实现和应用。根据现状,电力通信资源管理系统宜采用自主开发的矢量图形系统,应具备机房设备资源、线缆走廊资源、光缆资源、电缆资源、传输网资源、接入网资源管理功能。此外,对电力通信资源管理系统实施过程中应注意的问题进行了总结,强调资料的收集和录入是系统建设能否成功的关键所在。

An algorithm for detecting moving IR point target in complex background is proposed, which is based on the Reverse Phase Feature of Neighborhood (RPFN) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. Firstly, pairs of points with RPFN are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then...

An algorithm for detecting moving IR point target in complex background is proposed, which is based on the Reverse Phase Feature of Neighborhood (RPFN) of target in difference between neighbor frame images that two positions of the target in the difference image are near and the gray values of them are close to in absolute value but with inverse sign. Firstly, pairs of points with RPFN are detected in the difference image between neighbor frame images, with which a virtual vector graph is made, and then the moving point target can be detected by the vectors’ sequence cumulated in vector graphs. In addition, a theorem for the convergence of detection of target contrail by this algorithm is given and proved so as to afford a solid guarantee for practical applications of the algorithm proposed in this paper. Finally, some simulation results with 1000 frames from 10 typical images in complex background show that moving point targets with SNR not lower than 1.5 can be detected effectively.

基于运动点目标在邻帧差分图像中所具有的近邻反相特征,即运动点目标的两个位置相邻近、灰度值一正一负,提出一种在复杂背景下,基于红外序列图像的运动点目标检测算法。本算法利用该特征在邻帧差分图像中检测反相点对,进而构造反相点对矢量图,最后依据累积反相点对矢量图中多矢量首位相接的连续性检测出运动的点目标。文中给出并证明应用本算法能以概率1 检测到运动点目标的收敛性定理。对典型复杂背景下 10 幅 1000 帧图像的仿真结果表明,当信噪比大于或等于 1.5 时,可以有效检测出运动点目标。

 
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