About: Adjoint filter

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In signal processing, the adjoint filter mask of a filter mask is reversed in time and the elements are complex conjugated. Its name is derived from the fact that the convolution with the adjoint filter is the adjoint operator of the original filter, with respect to the Hilbert space of the sequences in which the inner product is the Euclidean norm. The autocorrelation of a signal can be written as .

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  • In signal processing, the adjoint filter mask of a filter mask is reversed in time and the elements are complex conjugated. Its name is derived from the fact that the convolution with the adjoint filter is the adjoint operator of the original filter, with respect to the Hilbert space of the sequences in which the inner product is the Euclidean norm. The autocorrelation of a signal can be written as . (en)
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  • In signal processing, the adjoint filter mask of a filter mask is reversed in time and the elements are complex conjugated. Its name is derived from the fact that the convolution with the adjoint filter is the adjoint operator of the original filter, with respect to the Hilbert space of the sequences in which the inner product is the Euclidean norm. The autocorrelation of a signal can be written as . (en)
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  • Adjoint filter (en)
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