tailieunhanh - Sử dụng photoshop cs5 part 50

Áp dụng Motion Blur lọc Một nhiếp ảnh gia chụp cách làm mờ chuyển động (ví dụ, trong thể thao hay chụp ảnh động vật hoang dã) là bởi panning máy ảnh như là chủ thể đang chuyển động. Trong Photoshop, bạn có thể tạo ra một ảo giác tương tự về chuyển động bằng cách sử dụng Motion Blur filter. | 294 I Chapter 17 Applying the Motion Blur filter One way photographers capture the blur of motion . in sports or wildlife photography is by panning the camera as the subject is moving. In Photoshop you can create a similar illusion of motion by using the Motion Blur filter. In the following instructions you ll blur the whole image by applying the filter as a Smart Filter then to bring a key area back into focus remove the effect from part of the image by painting on the filter mask. To apply the Motion Blur filter to part of an image 1. Click an image layer and duplicate it by pressing Ctrl-J 2. Right-click the duplicate layer and choose Convert to Smart Object. 3. Choose Filter Blur Motion Blur. The Motion Blur dialog opens. 4. Lower the zoom level for the preview. Choose a Distance value for the amount of blurring choose an Angle value for the direction of the blur then click OK. C 5. On the Layers panel click the filter mask thumbnail for the Smart Filters listing. 6. Choose the Brush tool B or Shift-B . On the Options bar choose a medium-sized Soft Round brush and an Opacity of 80 . Choose black as the Foreground color. 7. Paint over the area of the image that you want to hide the Motion Blur effect from and restore focus to A B next page . Since your brush isn t at full opacity you can repeat your strokes in any area to hide even more of the motion blur. 8. If you have masked too much of the Motion Blur effect press X to make the Foreground color white then apply strokes to restore it. To readjust the Motion Blur filter settings double-click the filter listing on the Layers panel. A This is the original photo. In the Motion Blur dialog we chose a Distance value of 64 px and set the Angle dial to match the angle of the motorcycle. The Motion Blur filter was applied to the whole image. Refocusing 295 A We clicked the filter mask thumbnail on the Layers panel then applied strokes with black to hide the Motion Blur effect. Using the Sharpen tool When .