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Tài iệu Photoshop cs5 by Dayley part 68

Các tính năng Content-Aware là mới với Photoshop CS5 và sử dụng một thuật toán mới mà các công trình tuyệt vời để điền vào trong một khu vực được lựa chọn của một bức ảnh liên tục trong một khoảng thời gian tương đối ngắn. Bởi vì các công cụ Content-Aware làm việc với các công cụ lựa chọn, có thể để làm cho các lựa chọn chính xác. | Part IV Enhancing Correcting and Retouching Content-Aware fill The Content-Aware fill isn t found with the Healing tools but it works to take unwanted elements seamlessly out of an image. The Content-Aware feature is new with Photoshop CS5 and uses an amazing new algorithm that works to fill in a selected area of a photo seamlessly in a relatively short amount of time. Because the Content-Aware tool works with the Selection tools it is possible to make precise selections. For instance the second boy in Figure 15.17 doesn t look like he wants to be in this photo. Using the Quick Selection tool I can select areas that need to be precise such as those bordering the first boy. I left the other areas with a rough selection on purpose so the Content Fill didn t take on the look of a silhouette. On the Web Site You can try using the Content-Aware fill on this image. Download Figure 15-17 from the Web site. FIGURE 15.17 Using the Selection tools allows you to target precise areas on which to use the Content-Aware fill. After you ve made a selection in an image choose Edit C Fill to open the Fill dialog box as shown in Figure 15.18. Choose Content-Aware from the drop-down menu. After you click OK the Content-Aware algorithm takes over searching your photo for appropriate areas to use in replacing the area that was selected. This can be a time-intensive process but when it is finished your image should look pretty close to realistic. You can see in Figure 15.19 that my image is certainly not perfect but it takes relatively little cleanup to make it look good. 478 Chapter 15 Using Cloning and Healing to Restore Digital Images Note The Content-Aware algorithm is memory intensive. Large files can take several minutes and use a considerable amount of RAM. Be sure to make allowances for this. Tip The Content-Aware tool much like the Healing Brushes doesn t return the same results every time you use it. If you re not happy with the first results you get try again. FIGURE 15.18 The