1. Background
In practical applications, there is often a photograph using a mobile phone or a digital camera to shoot the background is gray or light blue, as shown in the pictures are doing even with white background photo background color can not make to be truly white, then you can use the software to handle the PS, the background color photo into a true white.
2. Software
Adobe Photoshop CS6
3. Procedure
3.1 Open the photo to be processed
3.2 adjust photo contrast
Found Image -> Adjustments -> Brightness / Contrast, contrast adjustment casual larger, so that the background whiter brighter, photos will be better, click OK after adjusting well.
3.3 Use the Dodge Tool with photos
Found toolbar Dodge tool set into a range of "high light", exposure adjustment is "50%", and then set the foreground color is black, the background color is white. Finally, treatment can have on the picture to be processed.
