Search Results - "Koivisto, P.T."

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    Two-stage methods for mixed noise removal [image denoising] by Lukin, V.V., Koivisto, P.T., Ponomarenko, N.N., Abramov, S.K., Astola, J.T.

    “…Summary form only given. Images are quite often corrupted by mixed additive and impulsive noise. Then, the task in the filtering is to remove both components…”
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    Conference Proceeding
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    Comparison of 3-D and 2-D DCT Based Filtering of Multichannel Images by Ponomarenko, N.N., Lukin, V.V., Zelensky, A.A., Koivisto, P.T., Egiazarian, K.O.

    “…A common feature of multichannel images of different origin and spectral bands is that they exhibit a high degree of mutual correlation of their components. At…”
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    Conference Proceeding
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    Removal of impulse bursts in satellite images by Tsymbal, O.V., Lukin, V.V., Koivisto, P.T., Melnik, V.P.

    “…Characteristics of impulse bursts in satellite images are analyzed and methods for burst removal are considered. Artificial compact burst model is proposed and…”
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    Conference Proceeding