This time, before we perturb the input image, we take the value given by the threshold matrix and divide it by , where is the number of levels for each colour component. As a result, each pixel is perturbed just enough to cover the minimal distance between two colours in the palette. Since the entire palette is evenly distributed across colour space, we only need to modify the range of perturbation along each axis. The dithering equation then becomes:
The "forever chemical" PFOS accumulates in honeybee colonies and transfers to their honey. New research shows chronic exposure leads to lower body weight in juvenile bees and disrupts key proteins, potentially threatening global pollination, food security, and human health.
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唐納德·特朗普（Donald Trump，川普）總統數個月來一直警告，如果最高法院做出這樣的裁決，將是一場災難。