一种图像监控式彩扩机的研制王懋宗一、图像监控的必要性众所周知，按照集成灰原则自动校色的彩扩机会出现“主题失效”和“色彩失效”两种情况，需要看底片决定选用不同的曝光键（即Ｄ键）和校色键（即Ｙ、Ｍ、Ｃ键），选择正确与否决定于扩印人员看底片的能力，但即使是... Development of an Image-monitoring Color Expander Wang Maozong 1. The Necessity of Image Surveillance As we all know, the color-expanding opportunities of automatic color correction according to the principle of integrated gray appear two kinds of situations: “theme failure” and “color failure” Exposure key (ie, D key) and school color key (ie Y, M, C key), choose the right or not depends on the printing staff to see the film’s ability, but even if ...