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Unifies the position and angle of objects or just puts the angle of the object into Context (if this option is ticked). Remove background needs to be used before Unifier and have the same background color selected.
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Contrast equalisation
Equalises the contrast using the CLAHE algorithm, which works with a histogram of a pixel and its surroundings (depending on the kernel size). Clip limit determines the value at which the histogram is clipped. Details in the OpenCV documentation for CLAHE and histogram equalisation.
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