Chapter | 21 |
Tone reproduction
THEORY OF TONE REPRODUCTION
Tone reproduction is concerned with the reproduction of original intensities and intensity differences, as well as with the observer’s impression of these quantities, i.e. brightness (or lightness) and contrast reproduction respectively. Intensity is used in this context as a generic term for physical quantities related to the imaging signal or output, such as luminance and illuminance, transmittance, reflectance and density, and pixel value. Tone reproduction is the most crucial dimension of image quality, being a critical component of the subjective impression of the excellence of an image and the ...
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