Patent ID: 9386243
Filing Date: 2016-07-05
CPC Classification: H04N

Claim Text:
1. A method comprising: receiving, at a photo-sensitive element array, light which has passed through a lens; providing lens shading correction profile data for the lens, the lens shading correction profile data including one or more lens shading correction coefficients; calculating one or more intensity values of one or more first portions of light passing through one or more visible light pass filters; calculating one or more intensity values of one or more second portions of light passing through one or more infrared light pass filters; calculating an average of the one or more intensity values of the one or more first portions of the light passing through the one or more visible light pass filters; calculating an average of the one or more intensity values of the one or more second portions of the light passing through the one or more infrared light pass filters; calculating a normalized intensity value of the one or more second portions of the light passing through the one or more infrared light pass filters, based on the average of the one or more intensity values of the one or more first portions of the light passing through the one or more visible light pass filters and the average of the one or more intensity values of the one or more second portions of the light passing through the one or more infrared light pass filters; adjusting the one or more lens shading correction coefficients based on the calculated normalized intensity value of the one or more second portions of the light passing through the one or more infrared light pass filters; and correcting lens shading produced by the lens by using the one or more adjusted lens shading correction coefficients.