1. Open the original image with PS, and the effect is as follows.

2. In the Layers panel, double-click the background layer, change its name to Layer 0, and then click OK in the upper right corner.

3. Drag "Layer 0" to "Create New Layer" button to create a "Layer 0 Copy" layer, as shown in the following figure.

4. Double-click Layer 0, and in the layer style window that opens, only check the "R" channel, as shown below.

5. Then double-click Copy of Layer 0. In the layer style window that opens, only check the "B" and "G" channels, and then click OK in the upper right corner, as shown below.

6. Select the move tool from the toolbox on the left and use the arrow keys on the keyboard to move the current layer slightly. At this time, the red and blue are misplaced, as shown below.

7. Select the "Crop" tool from the "Toolbox" on the left, and cut off the redundant parts of the picture according to your own needs, as shown below.

8. At this time, the 3D panoramic renderings have been completed, as shown below.