Get PhotoshopCS5 ready

Press Ctrl+J to copy the background layer, and then select Image-Adjust-Replace Color, as shown in figure 1.

In the pop-up dialog box, set the tolerance to 140, click the color block in hue, select blue in the pop-up dialog box, and confirm to quit. The maximum saturation is set to 100, as shown in Figure 2.

The set image effect is shown in Figure 3. It can be clearly seen from the picture that there is a red edge line around the character image. Don't worry, let's do further processing.

Select Image-Adjust-Tone/Saturation, as shown in Figure 4.

In the pop-up dialog box, operate the red channel and the magenta channel, as shown in Figure 5.

The effect of treatment is shown in Figure 6. It is found from the picture that the hair edge is black, but the color deviation between the clothes and the face of the character is great. Don't worry, don't worry, then handle it here.

Create a new layer mask for the current layer, set the foreground color to black, and use the brush tool to restore the colors of people's faces and clothes. Note that you should be careful when using the brush tool, change the size and hardness at any time as needed, especially the edges of people, and it is best to enlarge the image carefully.

The final effect is shown in Figure 8.

Finally, about changing to a white background, just repeat the same method as above. The only difference is that when changing the project, the color is white, the saturation is unchanged, and the lightness value is set to the brightest, as shown in Figure 9.

_ In ps, the method to change a photo with a red background into a blue background is:

1. Open the original image, as shown in the following figure:

2. Copy two layers and fill the middle layer with blue, as shown below:

3. Select Layer 1 Copy Filter Knockout 2 to load the working layer, as shown below:

4. Select the internal object tool to load the internal object; Select the external object tool to load external objects, as follows:

5. Edit and process the file application, as shown in the following figure:

In order to change the background of a picture, we should adopt the corresponding matting method according to the actual situation of the image, do not refer to the tutorial dogmatically, and use the comprehensive method flexibly to achieve good matting effect.

Knockout2 filter, also called cutout artifact, is an essential plug-in for ps. At present, there are abundant free online resources, which can be downloaded and installed at any time.

Use the drawing or photoshop that comes with the system. First, choose blue as the color.

Open your red photo again.

Click the button on the orange background, and then click the red background with the mouse, and it will suddenly become a blue background.

Note that this method can only be used when the red background color is the same. If the red background has color difference, it is recommended to use PHOTOSHOP processing software.

2. How does Meitu turn the red background in the photo into blue in Xiu Xiu?

How to change the red background of 1 inch photo into blue background is useful for 86 people. How to change 1 inch blue background photo into red background photo with beauty is urgently needed! You can also use Mito Xiu Xiu. This can be changed to.

Please change the one-inch photo with blue background to red background.

Download and install Meitu Xiu Xiu. It is convenient to change the background color with Meitu Xiu Xiu. Specific operation: open the photo to change the background color, choose the beautification method, and choose the matting pen on the left. There are three ways to choose: choose automatic matting, draw with the mouse, and click finish matting. Click the background setting in the upper right corner, and then click the color/select the basic color/OK/Apply/Crop/One-inch photo/Adjust the marquee/Crop/Finish Crop to save the photo.

4. How to turn a red photo of Xiu Xiu into a blue photo?

Meitu Xiu Xiu is unclear. I suggest you try the smart ID photo, which can button the background with one button, beautify according to the face shape, or directly import the original picture to make it ~

Use Mito Xiu Xiu to turn a photo with a red background into a blue background:

1. Open Meitu Xiu Xiu, click the scene, and select the picture to change the background.

2. Click the "background matting" at the bottom left, and the words "matting begins" will appear.

3. After clicking "Start Cutout", the pages of "Automatic Cutout, Manual Cutout and Shape Cutout" will pop up. Choose manual matting, easy to control.

4. Control the brush, circle the part where you want to do the foreground with the matting pen, and press OK.

5. The foreground picture pops up, click "Background Settings" on the upper right, select the background color to be changed, such as blue, click the color to select blue, and then press OK.

6. After the picture pops up, click Crop to cut off the background color that has not been eliminated at the edges and corners to complete the cropping.

7. After cutting, you can click the size on the upper right to adjust the size. After completing the above steps, the red background was successfully changed to the blue background. The computer Mito Xiu Xiu has color matching function. If there are other objects, only the base map has been adjusted, you can use photoshop Mito Xiu Xiu. I suggest you try a smart ID photo, which can button the background with one button to beautify your face, or directly import and make the original picture ~