Invention Grant
- Patent Title: Sensitivity-biased pixels
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Application No.: US18000814Application Date: 2021-08-06
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Publication No.: US12022214B2Publication Date: 2024-06-25
- Inventor: Loic Francois Segapelli , Wenbin Wang , Nan Cui , Soman Ganesh Nikhara , Nikunj Dahyabhai Patel , Pradeep Veeramalla , Ankita Anil Kumar Chaudha
- Applicant: QUALCOMM Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: QUALCOMM Incorporated
- Priority: IN 2021038183 2020.09.04
- International Application: PCT/US2021/044941 2021.08.06
- International Announcement: WO2022/051055A 2022.03.10
- Date entered country: 2022-12-05
- Main IPC: H04N25/585
- IPC: H04N25/585 ; H04N25/702

Abstract:
Systems, methods, and non-transitory media are provided for automatic exposure control. An example method can include receiving pixel values captured by a photosensor pixel array (PPA) of an image sensor, wherein one or more pixel values from the pixel values correspond to one or more sensitivity-biased photosensor (SBP) pixels in the PPA and one or more saturated pixel values from the pixel values correspond to one or more other photosensor pixels in the PPA; determining, based on the one or more pixel values, an actual pixel value for the one or more pixel values and/or the one or more saturated pixel values; determining an adjustment factor for at least one of the pixel values based on the actual pixel value and a target exposure value; and based on the adjustment factor, correcting an exposure setting associated with the image sensor and/or at least one of the pixel values.
Public/Granted literature
- US20230239590A1 SENSITIVITY-BIASED PIXELS Public/Granted day:2023-07-27
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