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In this paper, the Cross-Teager-Kaiser Energy Operator (CTKEO) used for interaction measure between two signals is generalized for complex-valued patterns and images. This new operator called 2D-CTKEO and noted Ψ2B [., .] is useful for some image processing problems. Some properties of 2D-CTKEO showing the interest of such operator for image analysis are provided. Based on Ψ2B [., .] operator, two...
In this paper a noise filtering method using the empirical mode decomposition (EMD) is proposed. The noisy signal is decomposed into oscillatory components called intrinsic mode functions (IMFs) using a process referred to as sifting. The basic idea of the proposed scheme is the partial re-construction of the signal using the IMFs corresponding to the most important structures of the signal (low frequency...
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