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    Method and apparatus in a motion video capturing system
    1.
    发明授权
    Method and apparatus in a motion video capturing system 有权

    公开(公告)号：US10021318B2

    公开(公告)日：2018-07-10

    申请号：US14535009

    申请日：2014-11-06

    Applicant: Axis AB

    Inventor： Fredrik Hugosson ,  Ted Hartzell ,  Bjarne Rosengren

    IPC: H04N5/247 ,  H04N7/18 ,  H04N7/01 ,  H04L29/06 ,  H04L12/28

    CPC classification number: H04N5/247 ,  H04L12/283 ,  H04L65/4084 ,  H04L65/605 ,  H04L2012/2849 ,  H04N7/0117 ,  H04N7/181

    Abstract: A method for delivering motion video, which is captured by a first motion video camera, to a client device from said first motion video camera. The method comprises receiving, at the first motion video camera from the client, a request of a motion video and an indication of a requested format, matching, in a transcoding format list of the first motion video camera, the selected format to an address of a second motion video camera, sending, to said address of the second motion video camera, a motion video which have been identified in a request, the motion video having a format different from the selected format, receiving at the first motion video camera from the second motion video camera said requested motion video in the selected format, and sending said requested motion video in the selected format to the client.

    METHOD AND SYSTEM FOR PLAYBACK OF MOTION VIDEO
    3.
    发明申请
    METHOD AND SYSTEM FOR PLAYBACK OF MOTION VIDEO 有权
    播放视频的方法和系统

    公开(公告)号：US20150264411A1

    公开(公告)日：2015-09-17

    申请号：US14616971

    申请日：2015-02-09

    Applicant: AXIS AB

    Inventor： Bjarne Rosengren ,  Fredrik Hugosson

    IPC: H04N21/2387 ,  H04N21/2747 ,  H04N21/4223 ,  H04N21/438 ,  H04N21/418 ,  H04N21/6587 ,  H04N21/2383

    CPC classification number: H04N21/2387 ,  H04N5/783 ,  H04N7/183 ,  H04N21/2383 ,  H04N21/2747 ,  H04N21/4184 ,  H04N21/4223 ,  H04N21/4382 ,  H04N21/6587

    Abstract: Playback of motion video is presented. A method may comprise requesting streaming of a specific motion video sequence from a storage device to a playback device, streaming motion video data of the requested motion video sequence, displaying the streamed motion video data as the streamed motion video data is received, and sending a request of change of playback speed to the data storage device. In response to the request, decoding, in the data storage device, motion video data from a temporal position in the specific motion video sequence that has not yet been streamed to the playback device, compressing, in respect of time, the decoded motion video data, encoding the compressed motion video data using an encoding scheme corresponding to an encoding scheme used to encode the specific motion video sequence, and continue streaming the motion video sequence to the playback device using the compressed and encoded motion video data.

    Abstract translation: 呈现运动视频播放。 方法可以包括请求从存储设备到播放设备的特定运动视频序列的流传输，所请求的运动视频序列的流式运动视频数据，显示接收到的流式运动视频数据的流式运动视频数据，以及发送 请求将数据存储设备的播放速度更改。 响应于该请求，在数据存储装置中将来自尚未流式传送到重放装置的特定运动视频序列中的时间位置的运动视频数据解码为解码运动视频数据 使用与用于编码特定运动视频序列的编码方案相对应的编码方案对压缩运动视频数据进行编码，并且使用压缩和编码的运动视频数据继续将运动视频序列流式传输到播放装置。

    METHOD AND SYSTEM FOR GENERATING AN EVENT VIDEO SEQUENCE, AND CAMERA COMPRISING SUCH SYSTEM
    5.
    发明申请
    METHOD AND SYSTEM FOR GENERATING AN EVENT VIDEO SEQUENCE, AND CAMERA COMPRISING SUCH SYSTEM 审中-公开
    用于生成事件视频序列的方法和系统，以及包含该系统的摄像机

    公开(公告)号：US20160277759A1

    公开(公告)日：2016-09-22

    申请号：US15071654

    申请日：2016-03-16

    Applicant: Axis AB

    Inventor： Viktor Edpalm ,  Bjarne Rosengren ,  Jonas Holmberg ,  Stefan Lundberg

    IPC: H04N19/57 ,  H04N5/917 ,  H04N19/107 ,  H04N19/114 ,  H04N19/593 ,  H04N19/177 ,  H04N19/433 ,  H04N19/44 ,  H04N19/46 ,  H04N19/162 ,  H04N19/137

    Abstract: A method of generating an event video sequence is disclosed. The method comprises receiving input image frames encoded into a sequence of image frames arranged in groups of pictures, each group of pictures having a GOP structure. The method further comprises storing a pre-event sequence of image frames in a first-in-first-out buffer, said pre-event sequence having a first predetermined GOP structure, upon receiving an event notification, retrieving the pre-event sequence from the buffer, and generating the event video sequence by combining the pre-event sequence and a post-event sequence of image frames, said post-event sequence having a second GOP structure, which is different from said first GOP structure. A system for generating an event video sequence is also disclosed, as well as a camera comprising such a system, and a computer program product with instructions adapted to carry out the method when executed by a processor.

    Abstract translation: 公开了一种产生事件视频序列的方法。 该方法包括接收编码成以图像组排列的图像帧序列的输入图像帧，每组图像具有GOP结构。 该方法还包括在先入先出缓冲器中存储图像帧的事件前序列，所述事件前序列具有第一预定GOP结构，在接收到事件通知时，从事件序列中检索事件序列 并且通过组合所述事件前序列和图像帧的事后序列来生成所述事件视频序列，所述后事件序列具有与所述第一GOP结构不同的第二GOP结构。 还公开了一种用于生成事件视频序列的系统，以及包括这种系统的照相机，以及具有适于在由处理器执行时执行该方法的指令的计算机程序产品。

    METHOD AND APPARATUS IN A MOTION VIDEO CAPTURING SYSTEM
    6.
    发明申请
    METHOD AND APPARATUS IN A MOTION VIDEO CAPTURING SYSTEM 有权
    运动视频捕获系统中的方法和装置

    公开(公告)号：US20150138375A1

    公开(公告)日：2015-05-21

    申请号：US14535009

    申请日：2014-11-06

    Applicant: Axis AB

    Inventor： Fredrik Hugosson ,  Ted Hartzell ,  Bjarne Rosengren

    IPC: H04N21/4402 ,  H04N7/01 ,  H04N21/637 ,  H04N21/4223 ,  H04N21/239 ,  H04N7/18 ,  H04N5/247

    CPC classification number: H04N5/247 ,  H04L12/283 ,  H04L65/4084 ,  H04L65/605 ,  H04L2012/2849 ,  H04N7/0117 ,  H04N7/181

    Abstract: A method for delivering motion video, which is captured by a first motion video camera, to a client device from said first motion video camera. The method comprises receiving, at the first motion video camera from the client, a request of a motion video and an indication of a requested format, matching, in a transcoding format list of the first motion video camera, the selected format to an address of a second motion video camera, sending, to said address of the second motion video camera, a motion video which have been identified in a request, the motion video having a format different from the selected format, receiving at the first motion video camera from the second motion video camera said requested motion video in the selected format, and sending said requested motion video in the selected format to the client.

    Abstract translation: 一种用于将由第一运动摄像机捕获的运动视频从所述第一运动摄像机传送到客户端设备的方法。 该方法包括在来自客户端的第一运动摄像机处接收运动视频的请求和所请求的格式的指示，在第一运动摄像机的代码转换格式列表中匹配所选格式到 第二运动摄像机，向所述第二运动摄像机的所述地址发送已经在请求中识别的运动视频，所述运动视频具有与所选格式不同的格式，在所述第一运动摄像机处从 第二运动摄像机以所选择的格式表示所请求的运动视频，并以所选格式将所请求的运动视频发送给客户端。

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