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吉林化工学院学报, 2021, 38(9): 47-52     https://doi.org/10.16039/j.cnki.cn22-1249.2021.09.010
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一种基于小波去噪的遥感图像显著性区域检测算法
杨雅芳1,2
1.福州工商学院 工学院  福建 福州350715 ; 2.福州职业技术学院 信息技术工程系 福建 福州 350108
A significant region detection algorithm of remote sensing image based on wavelet denoising
YANG Yafang1,2
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摘要 

传统的图像检测方法未获取遥感图像亮度、色度、饱和度信息,图像显著性区域检测效果较差,为此,论文提出一种基于小波去噪的遥感图像显著性区域检测算法。利用小波变换的正交方式将遥感图像转换为一维图像,采用二进小波变换获取遥感图像边缘信息,根据新阈值函数去除图像边缘噪声;依据IHS变换(Intensity-Hue-Saturation)方式计算遥感图像亮度、色度、饱和度信息,并经离散小波变换计算遥感图像高、低频系数向量,通过模糊C均值聚类获取低频系数聚类数据后,利用显著性因子完成遥感图像显著性区域检测。实验结果表明:本文方法能够有效提取图像边缘信息,去除噪声能力强,所检测到的图像显著性区域层次分明,对比度较高,检测效果好。

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杨雅芳
关键词:  遥感图像  显著性区域  小波去噪  边缘提取  模糊C均值  硬阈值     
Abstract: 

Traditional image detection methods do not obtain the brightness, chroma and saturation information of remote sensing images, and the Performance of image saliency region is poor. Therefore, this paper proposes a detection algorithm of remote sensing image saliency region based on wavelet denoising.The remote sensing image is transformed into one dimensional image by orthogonal wavelet transform, the edge information of remote sensing image is obtained by binary wavelet transform, and the edge noise is removed according to the new threshold function. The brightness, chroma and Saturation information of remote sensing images were calculated according to the IHS transform (Intense-Hue-saturation) method, and the high and low frequency coefficient vectors of remote sensing images were calculated by discrete wavelet transform. After obtaining the clustering data of low frequency coefficients through fuzzy C-means clustering, significance factors were used to complete the detection of the significance region of remote sensing images.The experimental results show that the proposed method can effectively extract image edge information, has a strong ability to remove noise, and the detected image saliency region is well arranged, with high contrast and good detection effect.

Key words:  Remote sensing image    Saliency area    Wavelet denoising    Edge extraction    Fuzzy C-means    Hard threshold
               出版日期:  2021-09-25      发布日期:  2021-09-25      整期出版日期:  2021-09-25
P407.8  
引用本文:    
杨雅芳. 一种基于小波去噪的遥感图像显著性区域检测算法 [J]. 吉林化工学院学报, 2021, 38(9): 47-52.
YANG Yafang. A significant region detection algorithm of remote sensing image based on wavelet denoising . Journal of Jilin Institute of Chemical Technology, 2021, 38(9): 47-52.
链接本文:  
https://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2021.09.010  或          https://xuebao.jlict.edu.cn/CN/Y2021/V38/I9/47
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