They create a black and white mask of the contribution of each single light, allowing us to boost or decrease the intensity and color correct separately every single light source.
它们给每束光创建了一个黑白遮罩，可以允许我们增加或减少亮度，并给每束光源单独纠正颜色。
2
By means of spatial encoding technique for black-white negative, positive and product positive of spectrogram an intensity pseudocolor-coded spectrogram is obtained in a white-light optical processor.