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Sửa chữa tập tin video và thêm hiệu ứng nghệ thuật ông vấn đề cơ bản của việc cải thiện các tập tin video của bạn bằng cách điều chỉnh ánh sáng và màu sắc, thêm hiệu ứng nghệ thuật, hoặc nhân bản và chữa bệnh bên trong của chúng là không khác nhau nhiều hơn làm cho những thay đổi này vào một tập tin hình ảnh. | CHAPTER Correcting Video Files and Adding Artistic Effects The basics of improving your video files by correcting lighting and color adding artistic effects or cloning and healing inside of them is not much different than making these changes to an image file. The tools themselves are the same and the effects they have on video files are identical to the effects they have on image files. The difference lies in how you want the effects applied to your video they can be applied to the entire file to a portion of the file or to an individual frame. This chapter demonstrates different methods of application and gives examples of instances where you would use each one. Adding Fill or Adjustment Layers to Correct Tone and Color of Video Layers Color correction can enhance almost any photo. Videos are even more susceptible to environmental lighting problems that need correction. When it comes to color correcting a video layer you can use the Image menu to change the video frame by frame or you can create a Fill or Adjustment layer that affects the entire video layer. Unless you are creating a special effect or animating a color correction you want to skip the tedious process of color correcting frame by frame. IN THIS CHAPTER Changing the color and tone of a video Using videos as Smart Objects Correcting a video layer using filters Cloning and healing within a video file 863 Part VIII Working with Video and Animation Cross-Ref This chapter assumes you know how and why to apply adjustment layers in Photoshop. In Chapter 13 you can learn about the individual Fill and Adjustment layers and what they can do to correct not only photos but videos as well. On the other hand color corrections are individual to the image you are working with. They are different than filters in this respect. You can sharpen to some degree a video file arbitrarily over the entire file and probably not be disappointed with the results but if you adjust the levels of a video file that contains a .
