公开(公告)号：US20240259698A1

公开(公告)日：2024-08-01

申请号：US18163182

申请日：2023-02-01

Applicant: QUALCOMM Incorporated

Inventor： Zuguang XIAO ,  Nan CUI ,  Yiqian WANG

IPC: H04N23/88 ,  H04N23/76 ,  H04N25/51

CPC classification number: H04N23/88 ,  H04N23/76 ,  H04N25/51

Abstract: Systems, methods, and computer-readable media are provided for performing post automatic exposure control (AEC) and automatic white balance (AWB) processing to improve video quality. In some examples, a computing device can obtain one or more statistics associated with one or more past image frames and one or more future image frames, the one or more past image frames being captured prior to a current image frame and the one or more future image frames being captured subsequent to the current image frame. The computing device can adjust, based on the one or more statistics, at least one of a brightness or a color of the current image frame to generate an adjusted image frame. The computing device can further output the adjusted image frame.

公开(公告)号：US20230239590A1

公开(公告)日：2023-07-27

申请号：US18000814

申请日：2021-08-06

Applicant: QUALCOMM Incorporated

Inventor： Loic Francois SEGAPELLI ,  Wenbin WANG ,  Nan CUI ,  Soman Ganesh NIKHARA ,  Nikunj Dahyabhai PATEL ,  Pradeep VEERAMALLA ,  Ankita Anil Kumar CHAUDHA

IPC: H04N25/585 ,  H04N25/702

CPC classification number: 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.

公开(公告)号：US20230141949A1

公开(公告)日：2023-05-11

申请号：US18049601

申请日：2022-10-25

Applicant: QUALCOMM Incorporated

Inventor： Nan CUI ,  Zuguang XIAO ,  Wenbin WANG

IPC: H04N23/67 ,  G02B7/34

CPC classification number: H04N23/672 ,  G02B7/34

Abstract: Apparatus and methods employing a PDAF optical system are disclosed herein. An example apparatus includes an image sensor comprising a plurality of pixels. The plurality of pixels include a set of pixels configurable to be imaging pixels or focus pixels. The image sensor is configured to generate image data of a scene based on received light at the plurality of pixels. The example apparatus also includes a processor coupled to the image sensor. The processor may be configured to receive first image data of a first frame of the scene, determine at least one region of interest or region of non-interest of the first frame, select, based on the determined at least one region of interest or region of non-interest, a subset of the set of pixels to be focus pixels, and cause the selected subset of the set of pixels to operate as focus pixels.

公开(公告)号：US20220360750A1

公开(公告)日：2022-11-10

申请号：US17302483

申请日：2021-05-04

Applicant: QUALCOMM Incorporated

Inventor： Nan CUI ,  Wenbin WANG ,  Zuguang XIAO ,  Zhi LI

IPC: H04N9/04

Abstract: In some aspects, a device may receive, from a pixel array of a camera, a first image. The device may configure, based at least in part on the first image, a setting of a filter. The filter may be included within a filter array that is arranged within the camera in association with the pixel array. The device may cause the pixel array to capture a second image. Numerous other aspects are described.