PRCC20 17
A video
way
Step 1: Open the PR software first, and then double-click the material panel to import the video material file.
Step 2: Select the newly created sequence of the video we just imported in the material panel, hold down the mouse and move it to the lower right corner, and then release it when the "+"sign appears under the small hand, thus creating a new sequence.
Step 3: Click "Effect" on the material panel, and then enter "Color Key" in the search box, or you can find "Keying" down.
Step 4: After finding the "color key", select it, then hold down the mouse and let go of this video on the timeline. At this time, our material video will have an "Fx" on the timeline.
Step 5: Find the "Effect Control" on the menu bar at the top of the video preview window, and then click it. At this time, we will see a lot of operations that can be performed on this video. Note that the video on our timeline must be selected and click "Effect Control" to have some functions, and the video shows white as the selected state.
Step 6: After clicking "Effect Control", we will find a "color key" under our effect control panel.
Step 7: Under the color key, there will be a small straw. Let's click on this little straw.
Step 8: After clicking on the small straw, click on the color block to be deleted from our video. At this time, the color we sucked through the straw has appeared in front of our small straw, and the color on our video has also been removed.
Step 9: The straw can't be sucked after being used once. How to continue the optimization? At this time, we can set some values under the "color key". When setting the value, we can adjust it while observing it.
By this time, our video has been cut, and the next step is to play it to see the effect. In the process of playing, if there is any material we don't want, we can choose to play a "key frame" and then continue to crop the image until we are satisfied, that's all.
How does AE quickly remove the black background from the video? You can change the layer blending mode to color filter screen (completely filter black) according to the same in PS. The following is the relevant content to share and organize for everyone. Interested friends don't miss it. Come and have a look!
1. Import the video to be cut on the timeline and drag it directly from the material library to the timeline.
2. Double-click the material to display the overall preview progress box of the material in the video preview window.
3. Find the selection boxes of the out point and the in point under the progress bar, and use the out point and the in point to cut the clip range to be cut.
4. After selecting, close the video preview box, and you will find that there are only cut clips on the timeline.
Adobe After Effects "AE" is a graphic video processing software launched by Adobe Company, which is suitable for organizations engaged in design and video special effects, including TV stations, animation production companies, personal post-production studios, multimedia studios and so on. It belongs to the later software of layer type.
AdobeAfterEffects software can help you create countless eye-catching dynamic graphics and shocking visual effects efficiently and accurately. Add refreshing effects to your movies, videos, DVDs and MacromediaFlash works. It is closely integrated with other Adobe software, highly flexible 2D and 3D composition and hundreds of preset effects and animations.
The latest official version of Adobe is AdobeAfterEffects202 1.
The word "key image" comes from early TV production. The English name is "Key", which means that a certain color in the picture is absorbed as a transparent color, removed from the picture, and the background is exposed to form a two-layer picture. In this way, the characters photographed indoors are superimposed with various scenery after being keyed, forming a magical artistic effect.
It is precisely because of this magical function that keying has become a common skill in TV production. In the early TV production, keying required expensive hardware support, the shooting background was very strict, and it was necessary to shoot in a specific blue background, and the lighting requirements were also very strict. Now hardware stunts can be easily done.
But the price is daunting, and many small and medium-sized units can't afford it. At present, most nonlinear editing software can do key tricks, and the requirements for background color are not very strict, such as AfterEffcts, VJDirector and so on. However, these softwares often have some difficulties in video capture and compression and nonlinear editing of high-speed hard disks.
Premiere is a general non-linear editing software. With clever application of key function and other special effects, it can also achieve better keying effect. VJDirector2 supports broadcast keying and color adjustment, and blue, red and green background keying to achieve virtual studio effect. Below we will divide the key into several different situations and introduce its manufacturing methods and steps respectively.
First of all, the usual keying
The usual situation here means that the shooting material is good, such as the background color is clean, concise and uniform. When keying, first transfer the background material to track A or track B, and then drag the material to be keyed to the superimposed track (track A and track B are conversion stunt tracks without transparent stunts).
Enter the "Keytype" selection transparently, select the color key, select the background color to be cropped in the color swatch window, and adjust four parameters (similarity, mixture, threshold and cropping degree) appropriately to crop the background color at one time, thus revealing the underlying image to be synthesized.
Second, if the background is not clean.
For various reasons, some materials will leave some regrets when shooting, such as unclean background color, uneven light, wide and heavy shadows left by people too close to the background and so on. It's a bit troublesome to key in this later stage, but just carefully select the color keys, compare them repeatedly, enlarge them with a magnifying glass in the sample window, and drag them to various positions with hand tools for careful observation.
You can usually pick it clean. Sometimes when the material is input, due to the phase difference between the player and the video, there will be black edges on one or both sides of the picture. This situation is often difficult to avoid, and the following methods can be adopted to solve it when keying:
When setting transparency, adjust the transparent area in the sample window. You can drag the points on the four corners of the sample window inward to cover the parts that are difficult to cut. Adjust parameters and key effects. You can also use the clipping tool in the filter to cut off the extra parts up and down or left and right. But usually the first method is more convenient.
How to use AE keying The method of using AE keying is as follows:
Materials used: a computer with 64-bit operating system, post-processing software AdobeAfterEffectsCC, video material (try to use monochrome background).
The specific keying steps are as follows:
1. Open ae software, and then import the material to be keyed and superimposed;
2. Import the basemap, and then scale the map to a suitable size;
3. After adjustment, import the data to be entered into the software;
4. Add keyboard commands as shown. Usually, you can choose to use the third command.
5. Click here for the first straw to absorb the key color;
6. Adjust the following key parameters to make the style, position and size of the picture and material more perfect, thus completing the key.