ssa

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function RGB2 = ButterRGB(RGB, VideoFile) 
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    % Çàäàéòå ïàðàìåòðû ôèëüòðà 
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    order = 4; % Ïîðÿäîê ôèëüòðà
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    % Ñîçäàéòå ôèëüòð Áàòòåðâîðòà
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    [b, a] = butter(order, [0.2 0.9], 'stop');
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    % Ïðèìåíèòå ôèëüòð ê RGB ñèãíàëó
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    RGB2 = zeros(size(RGB));
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    for channel = 1:3
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        RGB2(:, channel) = filter(b, a, RGB(:, channel));
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    end 
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    SaveRGB(NameVideoFile(VideoFile)+'_but.txt', RGB2)
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end