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I. adjust according to the brightness of the picture

If the picture is too bright and gray, lack of saturation, and there is a significant vacancy in the black part, for example, the color that should be black in the picture, such as hair and eyes, is not black, and the picture is not vivid, it is more appropriate to use the curves in AE, which is equivalent to the gamma curve of picture exposure. The gamma curve of motion picture film appears long & quot; s" Shape, his grayscale feeling is very vivid. To make the TV camera lens as close as possible to the effect of film, it is necessary to adjust curves. It has about 14 control points to adjust the curve, and these are the reasons why curves can control the picture more finely. Of course, only three points are enough. Through the adjustment of curves, the black part is added to make the picture black & quot; Press & quot; Go down, it should be on & quot; Mention & quot; In this way, the color is also balanced, and the whole picture is significantly more vivid.

Another method is to use the superposition form of layers to adjust. Copy one layer of data in AE, and set the superposition method of the upper layer as soft light, as shown in Figure 2. At this time, you will find that all colors become saturated and the dark part is heavier. The picture has weight. Then, make the layer a little blur, the whole picture becomes soft, and the particle noise is much weakened. CG bar #s9z

If the picture itself is very dark, set the superposition method to Screen. and adjust the shading and Blur as shown in Figure 4. Of course, the color should not be over saturated. It is better to color the monitor, and often output the color matching results to the TV to observe the differences between the computer and the TV (preferably dynamic, which can compare the signal-to-noise ratio).

II. Adjust according to color composition

I v122524 color component adjustment is to select the scene with significant shading to adjust. For example, a picture of a street should show a gray green color. At this time, you should choose the lens with bright colors such as red or yellow, and adjust it with the above method. If not, purify red or yellow alone in Hue / saturation, and pull the ruler to the right. If the value is too large, the result is noise in pure color, then copy the original layer. The luminosity superposition method is used to make the color of the lower layer affect the upper layer, but the particle size remains unchanged. In this way, when the lower layer is blurred, the basic picture not only maintains the original particles, but also improves the color purity. During adjustment, it is necessary to carefully circle small areas with different colors in Hue / saturation, adjust the color system one by one to distinguish them, and then give consistent treatment.

A122524 here is another important rule: bright is not necessarily good! Blindly adding saturation or color purity will make the picture appear noise, and the addition of noise will make the picture lose the sense of transparency, impure color and reduce the definition of the picture. It will be more significant to compare one version of data with several versions of data. Simply adding saturation will add noise to the picture, and the film has different photosensitive principle, Therefore, the noise is very small (even if there is, it appears when the glue turns magnetic).

III. color adjustment according to the theme

122524 theme color adjustment AE has many color matching tools, which are not limited to using a special role alone, but can often be used in combination. As for the detailed color deviation, blue, yellow or green depends on the theme of the detailed title. For example, blue color is usually used more because the sensitivity of the film has a wonderful balance between colors in the same scene. When the video data is artificially improved to improve the purity of some colors, other intermediate colors can't keep up, which looks very fake. At this time, Inclining all intermediate colors to one color will help highlight the significant colors of the theme. Basically, the hue of the tone should be biased towards the complementary color of the theme color. People are more sensitive to color than others, so the center of color matching lies in the matching of colors. When the whole color tends to blue, red and yellow will also turn purple and green. At this time, single select purple or green in Hue / saturation and turn it back to red and yellow in the color wheel. Finally, the picture is marked red and yellow on the blue tone, the dark part is thick, the bright part is saturated, and the picture particles are fine.

In addition, the superposition of solid layers can be used to make consistent color adjustment. For example, create a colored soild layer, place it on the top of the layer, make it color overlay with the lower layer, set the large tone, then copy the lower layer to the top, and adjust the opacity value of the layer. This method can also achieve unexpected effects, and the speed is relatively fast, which can be achieved almost without a filter. This method is my favorite in the title color matching, and if the color of the solid layer is set to gray, I can also make & quot; Fade & quot; I feel it works well

IV. handle the relationship between theme color and complementary color

For example, indoor scene, generally, the main light source is cold, and the auxiliary light is warm, so the dark part is relatively warm. Sometimes these features can not be expressed in the video data, so it is necessary to adjust to this tendency artificially in the adjustment process. Sometimes the same indoor scene, because the theme color is yellow or green, and the adjustment direction is different, it is necessary to eliminate all disharmonious color systems. Another example is that there are many indoor characters, messy and no theme color. Then it is necessary to highlight the light sense and create an atmosphere. The adjusted picture feels clear and clean, and soft light can be used at this time. But soft light can't be used indiscriminately, which will make the picture blurred. Between the theme color and its complementary color, the more layers of color gradient, the more stable the picture is, but all these neutral colors have to be very implicit and can't stand out by themselves.

Another example is the outdoor scene. If the sun is very straight, the scene lines are rigid and the colors are messy. The theme color is bright red, and there is a large area of pure white or orange in the picture, so all other gray colors can be adjusted to any color system according to the demand, but blue is a common practice and plays a significant role

Article source: Jiangmen film and television production http://singaporeferragamo.com