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- W2364999484 abstract "Aiming at the problem that the fuzzy c-means(FCM) algorithm cannot effectively segment remote sensing images with noise, an algorithm of remote sensing image clustering based on Kernel Fuzzy C-Means(KFCM) clustering with local spatial information is proposed in this paper. Firstly, all pixels of a remote sensing image are mapped into a high-dimensional feature space through the kernel function. Different contributions of each feature vector to the clustering results are fully taken into consideration as well. Thus the influence of noise on the clustering results is greatly reduced and the high-dimensional non-clustered data can be divided nonlinearly. Then, the useful features of the remote sensing image are optimized by non-linear mapping. Next, according to the correlation between adjacent pixels, a space function is used to redefine the fuzzy membership of the pixels. Additionally, the local spatial information of pixels is introduced into the FCM algorithm and the pixels are clustered within the high-dimensional feature space by applying the above-mentioned FCM algorithm based on local spatial information. Accordingly, the clustering results are more accurate. Because of the introduction of local spatial information of pixels, the proposed algorithm can be directly applied to the original remote sensing image without filtering preprocesses and its robustness is adequately strong. A large number of experiments are performed and the results show that the proposed remote sensing image clustering algorithm based on KFCM with local spatial information has stronger noise reduction capabilities and can obtain better homogeneous regions.Therefore, the clustering effect of remote sensing image can be further improved. It is superior to the existing algorithms of remote sensing image clustering such as FCM algorithm, Fuzzy Local Information C- Means(FLICM) algorithm and KFCM algorithm. The proposed algorithm lays a good foundation for the next step of high-spatial-resolution remote sensing image processing." @default.
- W2364999484 created "2016-06-24" @default.
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- W2364999484 date "2014-01-01" @default.
- W2364999484 modified "2023-09-23" @default.
- W2364999484 title "An Algorithm of Remote Sensing Image Clustering Based on Kernel Fuzzy CMeans with Local Spatial Information" @default.
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