1. 1. Click the magic wand tool; 2, in the "magic wand" toolbar, in front of the "continuous" tick; 3. Fill in the value of "Tolerance" as "20". (The value can be adjusted according to the later effect); 4. Click the background color with the magic wand, and a virtual box will appear to surround the background color; 5. If you are not satisfied with the range of the virtual frame, you can press CTRL+D to cancel the virtual frame first, and then adjust the tolerance value of the previous step; 6. If you are satisfied with the scope of the virtual frame, please press the DELE key on the keyboard to delete the background color and get a separate image.

Second, 1, color straws pick up the background color; 2. Click the "Color Range" function in the "Select" function in the menu; 3. Tick the "Reverse" item, and select the image after confirmation.

Third, the magnetic lasso method, 1, right-click the lasso tool and select the magnetic lasso tool; 2. Use the "Magnetic Lasso" tool to place boundary points along the image boundary, and a line will be automatically generated between the two points and attached to the image boundary. 3. Boundary points should be carefully placed on fuzzy boundaries. 4. After the cable sleeve is closed, the bedding is completed.

Fourth, the (lasso) feathering method, 1, click the "lasso" tool; 2. Roughly enclose the image with lasso, and the distance between the boundary and the image boundary is almost the same; This can ensure the consistency of feathering range and improve the accuracy of matting; 3. Click the right mouse button and select the "Feather" function; 4. Adjust the feathering value, generally fill in "20", and then roughly select the image after confirmation. The feathering value should be adjusted according to the distance between the border and the image in the previous step.