Shadows / Điểm nổi bật của A là một trong các lệnh điều chỉnh tông màu yêu thích của chúng tôi bởi vì nó cung cấp rất được nhắm mục tiêu kiểm soát. Nó điều chỉnh độ sáng của mỗi pixel cá nhân phụ thuộc vào bóng tối hoặc nhẹ nhàng của điểm ảnh láng giềng, và cho phép bạn áp dụng hiệu chỉnh cho một phạm vi cụ thể mà không có âm overadjusting các khu vực khác của ảnh. | Adjustments in Depth 227 Applying the Shadows Highlights command Shadows Highlights A is one of our favorite tonal adjustment commands because it provides very targeted controls. It adjusts the luminance of each individual pixel depending on the darkness or lightness of neighboring pixels and lets you apply corrections to a specific tonal range without overadjusting other areas of the image. The command does a good job of recovering details in the shadows and highlights making it invaluable for correcting overexposed and underexposed areas such as subjects that are in shadow due to strong side or back lighting. Shadows Highlights preserves more pixels in each tonal range than Levels and Curves which can be confirmed by studying the Histogram panel before and after applying the command to an image. And because Shadows Highlights lets you pinpoint the tonal ranges to be corrected you won t have to use multiple adjustment layers and layer masks to limit the area of adjustment as you do when using Levels and Curves. Continued on the following page A We checked Show More Options at the bottom of the Shadows Highlights dialog to display the Shadows Highlights and Adjustments sliders. The sliders will give us extra control over which image areas are affected by the adjustment. No gaps or spikes appear on the Histogram panel when you apply Shadows Highlights because the command preserves an adequate number of pixels in each tonal range. 228 Chapter 13 To apply the Shadows Highlights command 1. Click a layer or the Background and display the Histogram panel B so you ll be able to monitor the tonal adjustments. Optional The Shadows Highlights command can t be applied via an editable adjustment layer. To keep the Shadows Highlights settings accessible and editable convert the layer to be adjusted to a Smart Object layer. 2. Choose Image Adjustments Shadows Highlights. The Shadows Highlights dialog opens and the image is adjusted automatically using preliminary settings. Check
