公开(公告)号：US20240020083A1

公开(公告)日：2024-01-18

申请号：US18336116

申请日：2023-06-16

Applicant: Zoom Video Communications, Inc.

Inventor： Zhichu He ,  Yi Guo ,  Bo Ling ,  Jing Wu ,  Yichen Zhang

IPC: G06F3/14 ,  H04N7/15

CPC classification number: G06F3/1454 ,  H04N7/15

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media related to multi-stream video encoding for screen sharing a communications session. The system may determine an active pixel area and a remaining pixel area of a video region. of a video region. A first video stream of the active pixel area is generated at a first frame rate. A second video stream of the remaining pixel area is generated at second frame rate, where the second frame rate is a frame rate lower than the first frame rate. A client device may transmit the first video stream and the second video stream to a second client device.

公开(公告)号：US20240338165A1

公开(公告)日：2024-10-10

申请号：US18748554

申请日：2024-06-20

Applicant: Zoom Video Communications, Inc.

Inventor： Zhichu He ,  Yi Guo ,  Bo Ling ,  Jing Wu ,  Yichen Zhang

IPC: G06F3/14 ,  H04N7/15

CPC classification number: G06F3/1454 ,  H04N7/15

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media related to multi-stream video encoding for screen sharing a communications session. The system may determine an active pixel area and a remaining pixel area of a video region. of a video region. A first video stream of the active pixel area is generated at a first frame rate. A second video stream of the remaining pixel area is generated at second frame rate, where the second frame rate is a frame rate lower than the first frame rate. A client device may transmit the first video stream and the second video stream to a second client device.

公开(公告)号：US20240236320A1

公开(公告)日：2024-07-11

申请号：US18111944

申请日：2023-02-21

Applicant: Zoom Video Communications, Inc.

Inventor： Yi Guo ,  Zhichu He ,  Rui Li ,  Jing Wu ,  Minxia Yang ,  Shiyan Zhang ,  Yichen Zhang

IPC: H04N19/12 ,  H04N19/172

CPC classification number: H04N19/12 ,  H04N19/172

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media for fast search of transform kernel selection. A set of transform kernels are selected. Multiple images are encoded via the AV1 coded using the selected transform kernels. The encoded images are transmitted to another computing device.

公开(公告)号：US11720315B1

公开(公告)日：2023-08-08

申请号：US17877915

申请日：2022-07-30

Applicant: Zoom Video Communications, Inc.

Inventor： Zhichu He ,  Yi Guo ,  Bo Ling ,  Jing Wu ,  Yichen Zhang

IPC: G06F3/044 ,  G06F3/14 ,  H04N7/15

CPC classification number: G06F3/1454 ,  H04N7/15

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media related to multi-stream video encoding for screen sharing a communications session. The system may determine a sub-area and a remaining area of a display region. A first video stream of the sub-area is generated at a first frame rate. A second video stream of the remaining area is generated at second frame rate, where the second frame rate is a frame rate lower than the first frame rate. A client device may transmit the first video stream and the second video stream to a second client device.

公开(公告)号：US20240422314A1

公开(公告)日：2024-12-19

申请号：US18210726

申请日：2023-06-16

Applicant: Zoom Video Communications, Inc.

Inventor： Yi Guo ,  Zhichu He ,  Rui Li ,  Bo Ling ,  Jing Wu ,  Minxia Yang ,  YiChen Zhang

IPC: H04N19/119 ,  H04N19/176 ,  H04N21/4402 ,  H04N21/4788

Abstract: In one example, a video encoder divides a superblock of a video frame into subblocks. The dividing includes dividing the superblock according to a first and second partitioning schemes to generate a first and second combination of subblocks, respectively. The number of non-zero residuals in each subblock in the first and second combinations of subblocks is less than a corresponding threshold set for a size of the subblock. The encoder determines the subblocks for the superblock as the first combination of subblocks based on a first cost value associated with the first combination of subblocks being lower than a second cost value associated with the second combination of subblocks. The encoder further encodes the superblock into a video bitstream representing the video by encoding the subblocks.

公开(公告)号：US12032868B2

公开(公告)日：2024-07-09

申请号：US18336116

申请日：2023-06-16

Applicant: Zoom Video Communications, Inc.

Inventor： Zhichu He ,  Yi Guo ,  Bo Ling ,  Jing Wu ,  Yichen Zhang

IPC: G06F3/041 ,  G06F3/14 ,  H04N7/15

CPC classification number: G06F3/1454 ,  H04N7/15

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media related to multi-stream video encoding for screen sharing a communications session. The system may determine an active pixel area and a remaining pixel area of a video region. of a video region. A first video stream of the active pixel area is generated at a first frame rate. A second video stream of the remaining pixel area is generated at second frame rate, where the second frame rate is a frame rate lower than the first frame rate. A client device may transmit the first video stream and the second video stream to a second client device.