Open the ps software in the computer first, then import the picture to be modified into the ps software and copy the picture for one layer. After copying the picture, find the color scale option on the right side of ps software and open it, and then adjust the slider in the pop-up dialog box until the gray is removed.

AdobePhotoshop, referred to as "PS", is an image processing software developed and distributed by AdobeSystems. Photoshop mainly deals with digital images composed of pixels. With its numerous editing and drawing tools, you can edit pictures effectively. Ps has many functions, including pictures, graphics, text, video, publishing and so on.