| 基于图像处理技术的表盘指针角度识别研究 |
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| 引用本文： | 孙凤杰,郭凤顺,范杰清,王铁滨. 基于图像处理技术的表盘指针角度识别研究[J]. 中国电机工程学报, 2005, 25(16): 0-78 |
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| 作者姓名： | 孙凤杰 郭凤顺 范杰清 王铁滨 |
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| 作者单位： | 1. 华北电力大学,北京市,昌平区,102206
2. 黑龙江省电力公司,黑龙江省,哈尔滨市,150090 |
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| 摘 要： | 论文论述了变电站设备表盘指针角度识别的数字图像处理和图像识别的实现过程。给出了远程数字视频监控与识别系统的组成。分析并研究了可用于指针图像处理的图像分割、图像滤波及图像的膨胀细化等运算方法。提出了一种新的适合实际运行设备的指针角度识别方法一同心圆环搜索法，该算法的计算简单，实时性好，识别误差小。经过大量不同条件的实验，证明这种算法对于指针角度的识别是十分有效的。
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| 关 键 词： | 电力系统 视频监控 图像处理 指针角度识别 |
| 文章编号： | 0258-8013（2005）16-0073-06 |
| 收稿时间： | 2005-02-28 |
| 修稿时间： | 2005-02-28 |
STUDIES OF THE RECOGNITION OF POINTER ANGLE OF DIAL BASED ON IMAGE PROCESSING |
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| SUN Feng-jie,GUO Feng-shun,FAN Jie-qing,WANG Tie-bin. STUDIES OF THE RECOGNITION OF POINTER ANGLE OF DIAL BASED ON IMAGE PROCESSING[J]. Proceedings of the CSEE, 2005, 25(16): 0-78 |
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| Authors: | SUN Feng-jie GUO Feng-shun FAN Jie-qing WANG Tie-bin |
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| Abstract: | The process of the image processing, image recognition technology of pointer position of transformer substation facilities is discussed in detail. The composition of remote digital video monitoring and recognizing system is given. The method of image threshold, image filter, image dilation and image thinning that can be used to the pointer image procession is analyzed and studied. A new concentric cirque seeking method of the pointer angle recognition is brought forward, which is specially fit to running equipments, and the method has the traits of easy calculation method, good real time and low recognition error. Through a great deal of different conditional experiments, this kind of calculation method is proved that it is very valid for the pointer angle recognition. |
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| Keywords: | Power system Video monitoring Image processing. Pointer angle recognition |
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