EN: Acutance (edge acutance/textur
Fotografie digitala si IT
An objective measure of sharpness which takes into account the sensitivity of the human visual system to specific spatial frequencies and the viewing distance of an image. Edge acutance refers to the ability of a photographic system to show a sharp edge between contiguous areas of low and high illuminance. Texture acutance refers to the ability of a photographic system to show details without noticeable degradations.
A measure of the sharpness with which the film can produce the edge of an object.
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objective measurement of image sharpness.
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A measure of how the step from high to low density reproduces in a developed film that has been exposed to a high contrast subject. A high acutance developer produces a steeper step from low to high density and, as a result, makes the image appear sharper .
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