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Alan M. Gundelfinger 《Journal of The Franklin Institute》1934,218(4):505-506
A spectrophotometric method of determining total visual transmission and visual density of non-neutral light filters is described. In addition, this method is utilized in determining density and gamma intensification produced by tones in color motion picture work and the importance of intensification control is emphasized. 相似文献
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《Journal of The Franklin Institute》1943,236(3):307-308
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