Abstract
Color photographic masks can be applied in such a manner as to minimize color-reproduction errors in a photographic process, regardless of the source of these errors. Overlapping absorptions of the dyes probably cause the most serious errors and therefore receive the most attention. It is shown, however, that the lack of negative portions in the required sensitivity distributions contributes appreciably to the reproduction errors and can, at least partially, be corrected for by masking.
One set of masking equations is derived which is designed to correct only for the overlapping absorptions of the dyes. A second set is derived which is designed to correct only for the lack of negative portions in the sensitivity distributions. It is shown that the set of equations obtained by combining these two sets of equations is essentially the same as that derived directly to correct for these two sources of reproduction errors considered simultaneously.
© 1954 Optical Society of America
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