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Issue:
Transmission line galloping monitoring based on optical flow field
Author(s):
HUANG Xinbo
,
TAO Baozhen
,
FENG Ling
Pages:
99
-
103
Year:
2012
Issue:
7
Journal:
Electric Power Automation Equipment
Keyword:
光流
;
输电
;
导线
;
舞动
;
监测
;
图像分析
;
Abstract:
提出基于光流场的输电导线舞动监测方法,以输电导线舞动视频中截取的多帧连续图像为研究对象,利用金字塔光流法计算图像中各点的光流值,通过形态学滤波中的闭运算滤除孤立噪声点,设置面积阈值提取图像中舞动的导线;对图像进行多层亚像素级滤波处理,把图像中向量场以横向、纵向分为实值图,以横向、纵向估算光流像素点的位置并计算出光流速度;描绘出图像中各点的运动方向和位移,实现导线舞动的自动监测.该方法克服了视频监测...
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