Patent ID: 9666165
Date: 2017-05-30
CPC Classifications: G09G,H04N

Claim:
1. A backlight compensation method, comprising a processor of a terminal acquiring a preview image through an image pickup apparatus; the processor judging whether backlight compensation needs to be performed on the preview image; if yes, the processor calculating a compensation parameter of a compensation light source, and performing backlight compensation on the preview image; and if not, the processor displaying the preview image on a display apparatus; wherein, the step of the processor judging whether backlight compensation needs to be performed on the preview image comprises: the processor detecting whether there is a dark region in the preview image; if yes, the backlight compensation needs to be performed by the processor; otherwise, the backlight compensation needs not to be performed by the processor; wherein, the step of the processor detecting whether there is a dark region in the preview image comprises: