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    Methods and systems for object detection using laser point clouds
    2.
    发明授权
    Methods and systems for object detection using laser point clouds 有权
    使用激光点云的物体检测的方法和系统

    公开(公告)号：US09098754B1

    公开(公告)日：2015-08-04

    申请号：US14262651

    申请日：2014-04-25

    Applicant: Google Inc.

    Inventor： James Stout ,  Jiajun Zhu

    IPC: G06K9/00 ,  G06K9/46

    CPC classification number: G06T7/521 ,  G01S17/89 ,  G01S17/936 ,  G06K9/00201 ,  G06K9/00791 ,  G06K9/00805 ,  G06T7/70 ,  G06T2207/10028 ,  G06T2207/30261

    Abstract: Methods and systems for object detection using laser point clouds are described herein. In an example implementation, a computing device may receive laser data indicative of a vehicle's environment from a sensor and generate a two dimensional (2D) range image that includes pixels indicative of respective positions of objects in the environment based on the laser data. The computing device may modify the 2D range image to provide values to given pixels that map to portions of objects in the environment lacking laser data, which may involve providing values to the given pixels based on the average value of neighboring pixels positioned by the given pixels. Additionally, the computing device may determine normal vectors of sets of pixels that correspond to surfaces of objects in the environment based on the modified 2D range image and may use the normal vectors to provide object recognition information to systems of the vehicle.

    Abstract translation: 本文描述了使用激光点云进行物体检测的方法和系统。 在示例实现中，计算设备可以从传感器接收指示车辆环境的激光数据，并且基于激光数据生成包括表示对象在环境中的各个位置的像素的二维（2D）范围图像。 计算设备可以修改2D范围图像以向给定像素提供值，该给定像素映射到缺乏激光数据的环境中的对象的部分，其可以涉及基于由给定像素定位的相邻像素的平均值向给定像素提供值 。 另外，计算设备可以基于修改的2D范围图像来确定对应于环境中的对象的表面的像素组的法向矢量，并且可以使用法向量向车辆的系统提供对象识别信息。

    Prioritizing content based on user frequency
    3.
    发明授权
    Prioritizing content based on user frequency 有权
    基于用户频率确定内容的优先级

    公开(公告)号：US09477376B1

    公开(公告)日：2016-10-25

    申请号：US13720931

    申请日：2012-12-19

    Applicant: Google Inc.

    Inventor： James Stout ,  Philip Hendrix

    IPC: G06F3/00 ,  G06F3/048 ,  G06F3/0482

    CPC classification number: G06Q10/06 ,  G06F17/30699

    Abstract: Various aspects of the subject technology relate to systems, methods, and machine-readable media for prioritizing content items based on a request frequency for a user. A system is configured to receive a request for a user interface containing content items for a user, retrieve, in response to the request for the user interface containing content items for the user, a set of content items for the user, and calculate a request frequency score for the user based on a frequency of user requests for the user interface containing content items for the user. The system may further be configured to adjust a priority score for each content item in the set of content items based on the request frequency score for the user and provide the set of content items for display to the user based on the priority score for each content item.

    Abstract translation: 主题技术的各个方面涉及用于基于用户的请求频率对内容项进行优先级排列的系统，方法和机器可读介质。 系统被配置为接收对包含用户的内容项的用户界面的请求，响应于对于包含用户的内容项的用户界面的请求，为用户检索一组内容项，并且计算请求 基于用户对包含用户内容项的用户界面的请求频率，用户的频率得分。 该系统还可以被配置为基于用户的请求频率分数来调整内容项集合中的每个内容项的优先级得分，并且基于每个内容的优先级得分向用户提供用于显示的内容项集合 项目。

    Methods, systems, and media for rewinding media content based on detected audio events
    5.
    发明授权
    Methods, systems, and media for rewinding media content based on detected audio events 有权
    用于基于检测到的音频事件倒转媒体内容的方法，系统和媒体

    公开(公告)号：US09274673B2

    公开(公告)日：2016-03-01

    申请号：US14145057

    申请日：2013-12-31

    Applicant: Google Inc.

    Inventor： James Stout

    IPC: G06F3/0481 ,  H04N5/44 ,  H04N5/445 ,  H04N21/2387 ,  H04N21/422 ,  H04N21/432 ,  H04N21/439 ,  H04N21/472 ,  H04N21/488 ,  H04N21/6587

    CPC classification number: G06F3/167 ,  G06F3/0481 ,  G10L17/22 ,  G10L25/84 ,  H04N5/4403 ,  H04N5/44513 ,  H04N21/2387 ,  H04N21/42203 ,  H04N21/4325 ,  H04N21/4394 ,  H04N21/47202 ,  H04N21/47217 ,  H04N21/4882 ,  H04N21/6587

    Abstract: Methods, systems, and media for rewinding media content based on detected audio events are provided. In some embodiments, a method for providing media guidance is provided, the method comprising: causing media content to be presented; receiving, using an audio input device, audio data that includes ambient sounds in an environment in which the media content is being presented; receiving a user command to rewind the media content; detecting that a portion of the audio data corresponds to an audio event that occurred during the presentation of the media content in response to receiving the user command to rewind the media content; determining a playback position in the media content based on the audio event; and causing the media content to be presented from the determined playback position.

    Abstract translation: 提供了用于基于检测到的音频事件倒带媒体内容的方法，系统和媒体。 在一些实施例中，提供了一种用于提供媒体引导的方法，所述方法包括：引起媒体内容; 使用音频输入设备在媒体内容被呈现的环境中接收包括环境声音的音频数据; 接收用户命令来倒带媒体内容; 检测音频数据的一部分对应于响应于接收到用户回送媒体内容的用户命令而在呈现媒体内容期间发生的音频事件; 基于所述音频事件确定所述媒体内容中的播放位置; 并且使得从所确定的播放位置呈现媒体内容。

    Methods and Systems for Object Detection using Laser Point Clouds
    6.
    发明申请
    Methods and Systems for Object Detection using Laser Point Clouds 有权
    使用激光点云对象检测的方法和系统

    公开(公告)号：US20160035081A1

    公开(公告)日：2016-02-04

    申请号：US14749151

    申请日：2015-06-24

    Applicant: Google Inc.

    Inventor： James Stout ,  Jiajun Zhu

    IPC: G06T7/00 ,  G06K9/00

    CPC classification number: G06T7/521 ,  G01S17/89 ,  G01S17/936 ,  G06K9/00201 ,  G06K9/00791 ,  G06K9/00805 ,  G06T7/70 ,  G06T2207/10028 ,  G06T2207/30261

    Abstract: Methods and systems for object detection using laser point clouds are described herein. In an example implementation, a computing device may receive laser data indicative of a vehicle's environment from a sensor and generate a two dimensional (2D) range image that includes pixels indicative of respective positions of objects in the environment based on the laser data. The computing device may modify the 2D range image to provide values to given pixels that map to portions of objects in the environment lacking laser data, which may involve providing values to the given pixels based on the average value of neighboring pixels positioned by the given pixels. Additionally, the computing device may determine normal vectors of sets of pixels that correspond to surfaces of objects in the environment based on the modified 2D range image and may use the normal vectors to provide object recognition information to systems of the vehicle.

    Abstract translation: 本文描述了使用激光点云进行物体检测的方法和系统。 在示例实现中，计算设备可以从传感器接收指示车辆环境的激光数据，并且基于激光数据生成包括表示对象在环境中的各个位置的像素的二维（2D）范围图像。 计算设备可以修改2D范围图像以向给定像素提供值，该给定像素映射到缺乏激光数据的环境中的对象的部分，其可以涉及基于由给定像素定位的相邻像素的平均值向给定像素提供值 。 另外，计算设备可以基于修改的2D范围图像来确定对应于环境中的对象的表面的像素组的法向矢量，并且可以使用法向量向车辆的系统提供对象识别信息。

    METHODS, SYSTEMS, AND MEDIA FOR REWINDING MEDIA CONTENT BASED ON DETECTED AUDIO EVENTS
    7.
    发明申请
    METHODS, SYSTEMS, AND MEDIA FOR REWINDING MEDIA CONTENT BASED ON DETECTED AUDIO EVENTS 有权
    基于检测音频事件的媒体内容的方法，系统和媒体

    公开(公告)号：US20150185964A1

    公开(公告)日：2015-07-02

    申请号：US14145057

    申请日：2013-12-31

    Applicant: Google Inc.

    Inventor： James Stout

    IPC: G06F3/0481

    CPC classification number: G06F3/167 ,  G06F3/0481 ,  G10L17/22 ,  G10L25/84 ,  H04N5/4403 ,  H04N5/44513 ,  H04N21/2387 ,  H04N21/42203 ,  H04N21/4325 ,  H04N21/4394 ,  H04N21/47202 ,  H04N21/47217 ,  H04N21/4882 ,  H04N21/6587

    Abstract: Methods, systems, and media for rewinding media content based on detected audio events are provided. In some embodiments, a method for providing media guidance is provided, the method comprising: causing media content to be presented; receiving, using an audio input device, audio data that includes ambient sounds in an environment in which the media content is being presented; receiving a user command to rewind the media content; detecting that a portion of the audio data corresponds to an audio event that occurred during the presentation of the media content in response to receiving the user command to rewind the media content; determining a playback position in the media content based on the audio event; and causing the media content to be presented from the determined playback position.

    Abstract translation: 提供了用于基于检测到的音频事件倒带媒体内容的方法，系统和媒体。 在一些实施例中，提供了一种用于提供媒体引导的方法，所述方法包括：引起媒体内容; 使用音频输入设备在媒体内容被呈现的环境中接收包括环境声音的音频数据; 接收用户命令来倒带媒体内容; 检测音频数据的一部分对应于响应于接收到所述用户命令以倒带所述媒体内容而在所述媒体内容呈现期间发生的音频事件; 基于所述音频事件确定所述媒体内容中的播放位置; 并且使得从所确定的播放位置呈现媒体内容。

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