Patent ID: 9686488
Date: 2017-06-20
CPC Classifications: H04N

Claim:
1. A method for capturing image data for an image pixel during an image frame, wherein the image pixel comprises a photodiode, a charge storage region, and a charge readout circuit coupled between the charge storage region and an output line, the method comprising: with the photodiode, accumulating an amount of charge in a flicker mitigation mode for a first time period, wherein the amount of charge is stored in the charge storage region; with the photodiode, accumulating an additional amount of charge in a high dynamic range mode for a second time period that is subsequent to the first time period, wherein the second time period comprises a first high dynamic range exposure and a second high dynamic range exposure subsequent to the first high dynamic range exposure; and at the end of first high dynamic range exposure, using the charge readout circuit to supply a first signal to the output line corresponding to the amount of charge on the charge storage region.