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- W4293075303 abstract "For better exploiting discriminative texture features and encoding high-level structures, this letter presents a high- order hybrid discriminative random field improved by two-layer random forest, abbreviated as RF-HoDRF, for synthetic aperture radar (SAR) image change detection. First, RF-HoDRF constructs a two-layer random forest (TL-RF) model to realize the selection of high-dimensional texture features, and then provides the class probabilities for constructing the unary potential in RF-HoDRF. Second, it defines a high-order potential on high-order cliques generated by superpixels to encode the high-level structures and maintain the region consistency. Finally, considering the pairwise potential by improved generalized Ising model and the statistics by generalized Gamma distribution (GΓD), the RF-HoDRF model is derived under the discriminative model framework. Then, by iteratively maximizing the local posterior probabilities, the class labels and the parameters are optimally estimated until they converge. Extensive comparisons and ablation experiments on measured SAR images verify the effectiveness of our method, and demonstrate that discriminative features selection and high-order structures maintenance have great contributions to improving change detection performances." @default.
- W4293075303 created "2022-08-26" @default.
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- W4293075303 date "2022-01-01" @default.
- W4293075303 modified "2023-10-16" @default.
- W4293075303 title "RF-HoDRF: High-Order Hybrid Discriminative Random Field Improved by Two-Layer Random Forest for SAR Image Change Detection" @default.
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- W4293075303 doi "https://doi.org/10.1109/lgrs.2022.3197764" @default.
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