Đang chuẩn bị nút TẢI XUỐNG, xin hãy chờ
Tải xuống
bước thông qua các lệnh khác, áp dụng nó, và thậm chí lưu một tập tin trong một cách đặc biệt. Bạn có thể tạo ra các hành động của riêng bạn cho các bước mà bạn hơn và hơn, tiết kiệm các hành động, và thêm chúng vào bảng Actions. Để tạo ra một hành động, trước tiên bạn ghi lại một chuỗi các bước. Sau đó, bạn đặt tên và lưu hành động mới của bạn trong bảng Actions. | EXTRACT THE MAIN SUBJECT from the background You will often want to separate a person or an object from the background so that you can use the person or object on a separate layer or in another image. You could painstakingly paint over the person or object with a brush in the Quick Mask mode or select the area with another selection tool however the Extract filter may make a better selection especially for delicate or detailed areas such as trees or hair. When you use the Extract filter Photoshop erases the background of the selected area and makes it transparent. The filter looks for contrasting edges under the area you highlight. For pixels on the edges it removes any color derived from the background to avoid having an edge halo when the item is placed on another background. Although it is a sophisticated tool the Extract filter may leave some areas that need to be touched up before your selection is complete. You can refine and fix the extraction with another layer and other Photoshop tools. o Open a photo with a subject that you want to extract from the background. 2 Duplicate the Background layer as shown in Task 11. 3 Click here to turn the visibility off for the original Background layer. 4 Click Filter. 5 Click Extract. The Extract dialog box opens with your image in the window. 6 Click the Edge Highlighter tool. 7 Click here and move the slider to adjust the brush size. 8 Trace around the edges of the areas that you want to keep. Note Make sure that the marker border is half covering the item that you want to select and half over the background. 9 Click the Fill tool. o Click in the area you want to keep. The green highlighted area fills with a translucent blue. Click Preview. The extracted area appears on a transparent background. @ Click the Clean Up tool and draw around any ragged edges to remove excess background. Hold the Option Alt key down and paint in the image to fill in any areas that dropped out. Click the Edge Touchup tool and draw around any
