Hình 5,8 thích hợp chụp với một máy ảnh thấp-năng động-phạm vi đoạn video kỹ thuật số như máy ảnh DSLR một đòi hỏi mà bạn chụp một hình ảnh flatlooking tương phản thấp và sau đó khung các của biểu đồ màu đen và trắng điểm, như nó là luôn luôn có thể để thêm độ tương phản để tối ưu hóa một hình ảnh nhưng không thể loại bỏ nó | Simpo PDF Merge and Split Unregistered Version - http Essentials Figure Proper shooting with a low-dynamic-range digital video camera such as a DSLR requires that you shoot a flatlooking image with low contrast and then bracket the histogram s white and black points as it s always possible to add contrast to optimize an image but not possible to remove it without losing detail. The only difference between the left and right sides of the image is a Levels adjustment transforming the flat source left into the richer image on the right. midtones and highlights pink light red . If instead you adjust Input Black or Output White inward the tinting moves in the opposite direction toward cyan in the corresponding shadows and highlights. As you probably know each primary on the digital wheel of color red green or blue has an opposite cyan magenta or yellow respectively . As your color skills progress you will notice when your method of say reducing green spill has made flesh tones too magenta but when you re starting out it s enough simply to be aware that adjustments to each color channel proportionally affect its opposite Figure . See the file Motionworks_ levels_and_curves. pdf in the additional resources folder on the book s disc for a reference on color adjustments to channels. Figure These charts were devised by John Dickinson at Motionworks after he read an earlier edition of this book it shows the relationship of each color to its opposite when adjusting the Levels Effect. 143 Download from Chaptc. Simpor PDF Merge and Split Unregistered Version - http Same Difference Levels Individual Controls The Levels effect and Levels Individual Controls contain identical controls. The sole difference is that Levels lumps all adjustments into a single keyframe property which expressions cannot use. Levels Individual Controls is particularly useful to animate and time Levels settings individually
