公开(公告)号：US11790504B2

公开(公告)日：2023-10-17

申请号：US17168781

申请日：2021-02-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ruihua Li ,  Hongqi Hu ,  Changcai Lai ,  Qingping Wang ,  Xiaolei Chen

IPC: G08G1/04 ,  G06T7/00 ,  H04N7/18 ,  G06V20/54 ,  H04N23/951

CPC classification number: G06T7/0002 ,  G06V20/54 ,  G08G1/04 ,  H04N7/181 ,  H04N23/951 ,  G06T2207/30168 ,  G06T2207/30232 ,  G06T2207/30236

Abstract: A monitoring and photographing module includes one primary camera and N secondary cameras. The primary camera and the N secondary cameras are configured to collect images, and a frame rate at which any secondary camera collects an image is less than a frame rate at which the primary camera collects an image. Regions monitored by the N secondary cameras respectively cover N different regions in a region monitored by the primary camera, and a focal length of any secondary camera is greater than a focal length of the primary camera.

公开(公告)号：US12108161B2

公开(公告)日：2024-10-01

申请号：US17965083

申请日：2022-10-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Xiaolei Chen ,  Jinxin Huang ,  Changcai Lai ,  Hongqi Hu ,  Changjiu Yang ,  Shisheng Zheng

IPC: H04N5/265 ,  H04N9/64 ,  H04N23/72

CPC classification number: H04N23/72 ,  H04N5/265 ,  H04N9/646

Abstract: This application discloses a photographing apparatus and method, and relates to the field of image processing. When a high-quality image in a low illumination environment is obtained, costs are reduced, a size is reduced, and product compatibility is improved. The method includes: controlling a light filtering unit to: transparently transmit visible light in incident light and block infrared light in the incident light in a first image exposure interval, transparently transmit the infrared light in the incident light in a first time period of a second image exposure interval, and block the incident light in a second time period of the second image exposure interval; performing, by using an image sensor to obtain a first image, and performing photoelectric imaging on a light ray to obtain a second image; and synthesizing the first image and the second image, to generate a first target image.

公开(公告)号：US11470262B2

公开(公告)日：2022-10-11

申请号：US17162258

申请日：2021-01-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ruihua Li ,  Changcai Lai ,  Qingping Wang ,  Hongqi Hu ,  Xiaolei Chen

IPC: H04N5/33 ,  H04N5/235 ,  H04N5/38

Abstract: A time-division multiplexing fill light imaging method includes alternately generating a visible light frame and a fill light frame by using an image sensor, where the visible light frame is an image frame generated when the image sensor receives visible light but does not receive fill light, and the fill light frame is an image frame generated when the image sensor receives fill light, and combining a visible light frame and a fill light frame that are adjacent or consecutive, to obtain a composite frame.

公开(公告)号：US20210152728A1

公开(公告)日：2021-05-20

申请号：US17162258

申请日：2021-01-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ruihua Li ,  Changcai Lai ,  Qingping Wang ,  Hongqi Hu ,  Xiaolei Chen

IPC: H04N5/235 ,  H04N5/38

Abstract: A time-division multiplexing fill light imaging method includes alternately generating a visible light frame and a fill light frame by using an image sensor, where the visible light frame is an image frame generated when the image sensor receives visible light but does not receive fill light, and the fill light frame is an image frame generated when the image sensor receives fill light, and combining a visible light frame and a fill light frame that are adjacent or consecutive, to obtain a composite frame.

公开(公告)号：US20210183041A1

公开(公告)日：2021-06-17

申请号：US17168781

申请日：2021-02-05

Applicant: Huawei Technologies Co., Ltd.

Inventor： Ruihua Li ,  Hongqi Hu ,  Changcai Lai ,  Qingping Wang ,  Xiaolei Chen

IPC: G06T7/00 ,  H04N7/18 ,  H04N5/232 ,  G06K9/00 ,  G08G1/04

Abstract: A monitoring and photographing module includes one primary camera and N secondary cameras. The primary camera and the N secondary cameras are configured to collect images, and a frame rate at which any secondary camera collects an image is less than a frame rate at which the primary camera collects an image. Regions monitored by the N secondary cameras respectively cover N different regions in a region monitored by the primary camera, and a focal length of any secondary camera is greater than a focal length of the primary camera.