冬季浓雾气象条件下主城区能见度可见光-远红外检测模型  

Visibility Visible Light-far-infrared Detection Model of Main Urban Area under Thick Fog Weather Conditions in Winter

作　　者：马龙 张冬香 MA Long;ZHANG Dongxiang(Jincheng Meteorological Bureau,Jincheng 048000,China)

机构地区：[1]晋城市气象局,山西晋城048000

出　　处：《微型电脑应用》2024年第12期219-223,共5页Microcomputer Applications

摘　　要：主城区的能见度检测关系到城市规划与治理工作,因此,研究冬季浓雾气象条件下主城区能见度可见光—远红外检测模型。利用NSST分解主城区能见度可见光—远红外原始图像,得到2种图像的低频子带与高频子带;使用反锐化掩蔽处理方法消除低频子带中的浓雾干扰,通过区域能量融合规则,融合去雾后的能见度可见光—远红外图像低频子带;按照拉普拉斯能量和规则,融合能见度可见光—远红外图像高频子带;利用多尺度显著性检测得到融合后能见度可见光—远红外图像的显著性区域,通过滑动窗口获得显著性区域样本块,并输入支持向量机作为分类器的卷积神经网络,得到主城区能见度分类检测结果。试验结果显示,该方法能够有效去除能见度可见光—远红外图像的浓雾干扰,获得能见度较高的图像效果,主城区能见度结果较为准确,能够确定主城区的建设问题。The visibility for detection of the main urban area is related to the urban planning and management,so the visibility visible light-far-infrared detection model of main urban area under thick fog weather conditions in winter is studied.The visibility visible light-far-infrared original image of main urban area is decomposed by NSST to get the low frequency sub-band and high frequency sub-band of two images.The desharpening masking process method is used to eliminate the interference in low frequency sub-band.According to the regional energy fusion rule,the low frequency sub-band of visibility visible light-far-infrared image after thick fog removal is fused.According to the Laplacian energy sum rule,the high frequency sub-band visbility visible light-far-infrared image is fused.Using the multi-scale significance test to obtain the significant region of the visibility light-far-infrared image,significant regional sample blocks are obtained through the sliding window and are input into the convolutional neural network with support vector machine as classifier,to get the main urban area visibility classification results.The test results show that the method can effectively remove the fog interference of visibility visible light-far-infrared images,obtain image with higher visibility,and the visibility result of the main urban area is more accurate,which can determine the construction problem of the main urban area.

关 键 词：冬季浓雾 气象条件 主城区 能见度 可见光 远红外 

分 类 号：TN399[电子电信—物理电子学]