Karol Rumatowski's research while affiliated with Poznan University of Technology and other places
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Publications (5)
As known, the three-dimensional (3-D) nonrecursive digital filtering is a computational process by which a 3-D digital input signal (sequence of samples) is transformed into a 3-D digital output signal. The output samples of such a filter are determined as weighted sums of past and present input samples. This type filtering process can be implement...
The filtering process can also be implemented by other transformations than the well-known Fourier transformation. The paper is devoted to the one-dimensional (1-D) and two-dimensional (2-D) digital filtering process by the use of 1-D and 2-D discrete Walsh transforms (DWTs). Particularly, the optimum Walsh filter problem with one- and two-dimensio...
Cette communication rapporte deux algorithmes du filtrage nonrecursif en deux dimensions (2-D) réalisés à 1 aide des transformations discrètes de Walsh en deux dimensions. Le premier algorithme profite de la rélation matricielle géneralisé du filtrage, 1 autre algorithme présenté ici réalise le filtrage en deux dimensions comme la suite des sequenc...
Un 2-D algorithme numérique de filtration, realise a l'aide de la 2-D transformation discrète de walsh, est presente dans le travail. L'algorithme resulte de l'application séquentielle d'une 1-D filtration aux lignes et colonnes de la matrice des données d'entree. L'emploi de cet algorithme de filtration dans le processus de restauration des images...
