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    Video capture in low-light conditions
    2.
    发明授权
    Video capture in low-light conditions 有权

    公开(公告)号：US10277829B1

    公开(公告)日：2019-04-30

    申请号：US15675451

    申请日：2017-08-11

    Applicant: Apple Inc.

    Inventor： Christopher M. Garrido ,  David L. Biderman ,  Eric L. Chien ,  Gurtej Singh G. Chandok ,  Kartik P. Sathappan ,  Komei Harada ,  Ming Jin ,  Patrick Miauton ,  Wenhui Xu ,  Xiaoxiao Zheng ,  Yichao Shen

    IPC: H04N7/14 ,  G03B17/00 ,  H04N5/235 ,  H04N5/238 ,  H04N5/243

    Abstract: In scenes that have low lighting, it may be difficult for a personal electronic device to capture video images that meet a scene lighting criteria. In some low-lighting situations, the receiving party may be unable to sufficiently see the face of the party that they are videoconferencing with. Described herein are techniques for utilizing a device's display to illuminate the scene surrounding the device. Improved lighting may come from global display adjustments, local display adjustments that do not alter the display's contents (other than to change their brightness levels), and/or local display adjustments that alter the display's contents. In some embodiments, background elements on a device's display may be identified for brightening in a first attempt to meet the scene lighting criteria without negatively impacting foreground scene content. If such approaches are unsuccessful, the device may next replace one or more regions of displayed content with regions of brightened pixels.

    Seamless video pipeline transition between WiFi and cellular connections for real-time applications on mobile devices
    3.
    发明授权
    Seamless video pipeline transition between WiFi and cellular connections for real-time applications on mobile devices 有权
    WiFi和蜂窝连接之间的无缝视频流水线转换，用于移动设备上的实时应用

    公开(公告)号：US09553913B2

    公开(公告)日：2017-01-24

    申请号：US14338734

    申请日：2014-07-23

    Applicant: Apple Inc.

    Inventor： Yan Yang ,  Xiasong Zhou ,  Hyeonkuk Jeong ,  Joe S. Abuan ,  Gobind Johar ,  Yichao Shen

    IPC: H04L29/06 ,  H04N7/14 ,  H04W84/04

    CPC classification number: H04L65/80 ,  H04L65/1083 ,  H04N7/147 ,  H04N7/15 ,  H04W36/14 ,  H04W84/045

    Abstract: Performing a real-time application on a mobile device, involving communication of audio/video packets with a remote device. The mobile device may initially communicate the audio/video packets on a first communication channel with the remote device. During the real-time communication, the mobile device may determine if no packets have been received by the mobile device from the remote device for a first threshold period of time. If no packets have been received by the mobile device from the remote device for the first threshold period of time, the mobile device may establish a second communication channel for transmission of the audio/video packets with the remote device. In response to using the second communication channel, the mobile device may modify a resolution or bit rate of the audio/video packets transmitted to the remote device.

    Abstract translation: 在移动设备上执行实时应用，涉及音频/视频数据包与远程设备的通信。 移动设备可以最初在第一通信信道上与远程设备通信音频/视频分组。 在实时通信期间，移动设备可以确定在第一阈值时间段内移动设备是否已经从远程设备接收到分组。 如果移动设备在第一阈值时段内没有从远程设备接收到分组，则移动设备可以建立用于与远程设备传输音频/视频分组的第二通信信道。 响应于使用第二通信信道，移动设备可以修改发送到远程设备的音频/视频分组的分辨率或比特率。

    Seamless Video Pipeline Transition Between WiFi and Cellular Connections for Real-Time Applications on Mobile Devices
    5.
    发明申请
    Seamless Video Pipeline Transition Between WiFi and Cellular Connections for Real-Time Applications on Mobile Devices 有权
    WiFi和蜂窝连接之间的无缝视频流水线在移动设备上实时应用

    公开(公告)号：US20150350290A1

    公开(公告)日：2015-12-03

    申请号：US14338734

    申请日：2014-07-23

    Applicant: Apple Inc.

    Inventor： Yan Yang ,  Xiasong Zhou ,  Hyeonkuk Jeong ,  Joe S. Abuan ,  Gobind Johar ,  Yichao Shen

    IPC: H04L29/06 ,  H04W36/14 ,  H04N7/15

    CPC classification number: H04L65/80 ,  H04L65/1083 ,  H04N7/147 ,  H04N7/15 ,  H04W36/14 ,  H04W84/045

    Abstract: Performing a real-time application on a mobile device, involving communication of audio/video packets with a remote device. The mobile device may initially communicate the audio/video packets on a first communication channel with the remote device. During the real-time communication, the mobile device may determine if no packets have been received by the mobile device from the remote device for a first threshold period of time. If no packets have been received by the mobile device from the remote device for the first threshold period of time, the mobile device may establish a second communication channel for transmission of the audio/video packets with the remote device. In response to using the second communication channel, the mobile device may modify a resolution or bit rate of the audio/video packets transmitted to the remote device.

    Abstract translation: 在移动设备上执行实时应用，涉及音频/视频数据包与远程设备的通信。 移动设备可以最初在第一通信信道上与远程设备通信音频/视频分组。 在实时通信期间，移动设备可以确定在第一阈值时间段内移动设备是否已经从远程设备接收到分组。 如果移动设备在第一阈值时段内没有从远程设备接收到分组，则移动设备可以建立用于与远程设备传输音频/视频分组的第二通信信道。 响应于使用第二通信信道，移动设备可以修改发送到远程设备的音频/视频分组的分辨率或比特率。

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