FIELD: printing industry. SUBSTANCE: the method involves operation of comparison of the actual value of graphic representation that is subject to control with the specified value, with observance of the tolerance limits; the actual value of grey-tone density is taken as the actual value. The result is attained due to the fact that the mean value and/or dispersion of grey-tone density of all elements of the given zone is estimated in those representation zones, in which wide tolerance limits of grey-tone density are available. EFFECT: estimation of contracts on printed picture under control. 3 cl, 4 dwg
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