Patent ID: 9473670
Filing Date: 2016-10-18
CPC Classification: H04N

Claim Text:
1. A peripheral, comprising: a scanning module performing a one-time scan operation on a punched document to obtain a visible light image and an infrared image in a restoration mode, wherein the infrared image comprises an infrared hole image corresponding to one hole or multiple holes of the punched document, and the visible light image comprises a visible light hole image corresponding to the one hole or multiple holes of the punched document; and a control processing module electrically connected to the scanning module, wherein in the restoration mode, the control processing module determines the infrared hole image according to the infrared image, determines the visible light hole image according to the infrared hole image, and restores the visible light image into a final image according to the visible light hole image, wherein the final image does not contain the visible light hole image, wherein the control processing module determines a location of the infrared hole image by judging whether a brightness of the infrared image reaches a maximum value.