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A Gaussian mixture model (GMM) and Bayesian inferencing based unsupervised change detection algorithm is proposed to achieve change detection on the difference image computed from satellite images of the same scene acquired at different time instances. Each pixel of the difference image is represented by a feature vector constructed from the difference image values of the neighbouring pixels to consider...
In this paper, an unsupervised change detection technique for synthetic aperture radar (SAR) images acquired on the same geographical area but at different time instances is proposed by conducting probabilistic Bayesian inferencing with expectation maximization-based parameter estimation to perform unsupervised thresholding over the data collected from the dual-tree complex wavelet transform (DT-CWT)...
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