Infrared Image Change Detection of Substation Equipment in Power System Using Markov Random Field

2017 ◽  
Author(s):  
Jipu Gao ◽  
Changbao Xu ◽  
Li Zhang ◽  
Shuaiwei Liu ◽  
Weigang Feng ◽  
...  
Keyword(s):  
Power System ◽  
Change Detection ◽  
Random Field ◽  
Markov Random Field ◽  
Infrared Image ◽  
Markov Random ◽  
Image Change Detection ◽  
Substation Equipment

scholarly journals SAR IMAGE CHANGE DETECTION BASED ON FUZZY MARKOV RANDOM FIELD MODEL

2018 ◽  
Vol XLII-3 ◽  
pp. 2371-2374
Author(s):  
J. Zhao ◽  
G. Huang ◽  
Z. Zhao
Keyword(s):  
Change Detection ◽  
Random Field ◽  
Markov Random Field ◽  
Fuzzy Theory ◽  
Detection Accuracy ◽  
Sar Image ◽  
Markov Random ◽  
Image Change Detection ◽  
Image Pixels ◽  
Detection Effect

Most existing SAR image change detection algorithms only consider single pixel information of different images, and not consider the spatial dependencies of image pixels. So the change detection results are susceptible to image noise, and the detection effect is not ideal. Markov Random Field (MRF) can make full use of the spatial dependence of image pixels and improve detection accuracy. When segmenting the difference image, different categories of regions have a high degree of similarity at the junction of them. It is difficult to clearly distinguish the labels of the pixels near the boundaries of the judgment area. In the traditional MRF method, each pixel is given a hard label during iteration. So MRF is a hard decision in the process, and it will cause loss of information. This paper applies the combination of fuzzy theory and MRF to the change detection of SAR images. The experimental results show that the proposed method has better detection effect than the traditional MRF method.

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