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    METHOD, APPARATUS AND SYSTEM FOR PASSIVE INFRARED SENSOR FRAMEWORK
    1.
    发明申请
    METHOD, APPARATUS AND SYSTEM FOR PASSIVE INFRARED SENSOR FRAMEWORK 审中-公开

    公开(公告)号：US20180231419A1

    公开(公告)日：2018-08-16

    申请号：US15430256

    申请日：2017-02-10

    Applicant: Google Inc.

    Inventor： Yash Modi ,  Mark Rajan Malhotra ,  Gwendolyn van der Linden ,  Dongeek Shin ,  Michael Dixon

    IPC: G01J5/00 ,  G01J5/02 ,  G01J5/10

    CPC classification number: G01J5/0025 ,  G01J5/025 ,  G01J5/10 ,  G08B13/191 ,  G08B13/193

    Abstract: A method includes detecting, with a passive infrared sensor (PIR), a level of infrared radiation in a field of view (FOV) of the PIR, generating a signal based on detected levels over a period of time, the signal having values that exhibit a change in the detected levels, extracting a local feature from a sample of the signal, wherein the local feature indicates a probability that a human in the FOV caused the change in the detected levels, extracting a global feature from the sample of the signal, wherein the global feature indicates a probability that an environmental radiation source caused the change in the detected levels, determining a score based on the local feature and the global feature, and determining that a human motion has been detected in the FOV based on the score.

    METHOD AND SYSTEM FOR OPTICAL USER RECOGNITION
    2.
    发明申请
    METHOD AND SYSTEM FOR OPTICAL USER RECOGNITION 有权
    光学用户识别的方法和系统

    公开(公告)号：US20160307382A1

    公开(公告)日：2016-10-20

    申请号：US14683243

    申请日：2015-04-10

    Applicant: Google Inc.

    Inventor： Kenneth Louis Herman ,  Laura Rabb ,  Michael Dixon ,  Andrea Colaco ,  Ghulam A. Kirmani ,  Casey Mills Davis ,  Luis Villaran ,  Yash Modi ,  Jeffery Theodore Lee ,  David Hendler Sloo

    IPC: G07C9/00 ,  G06K9/00

    CPC classification number: G07C9/00158 ,  G06K9/00348 ,  G07C3/00

    Abstract: A method and system for optically detecting a user. A sequence of patterns of radiation reflected from an object in a room may be captured by a device. The patterns of radiation may be infrared radiation emitted from the device. A sequence of variations between the captured sequence of patterns of radiation and the emitted sequence of patterns of radiation may be determined and object characteristics of an object may be determined based upon the sequence of variations. The object characteristics may be a sequence of dimensions of the object and a sequence of locations of the object. The method may determine the first is a user based upon the determined object characteristics and a room profile. The room profile may include a plurality of object characteristics of one or more objects in the room.

    Abstract translation: 一种用于光学检测用户的方法和系统。 从房间中的物体反射的辐射的一系列图案可以被设备捕获。 辐射的图案可以是从设备发射的红外辐射。 可以确定所捕获的辐射模式序列和发射的辐射模式序列之间的变化序列，并且可以基于变化的顺序来确定对象的对象特征。 对象特征可以是对象的维度序列和对象的位置序列。 该方法可以基于所确定的对象特征和房间简档来确定第一个是用户。 房间简档可以包括房间中的一个或多个物体的多个物体特征。

    Dynamic pathlight brightness based on size and distance of motion/object approaching the device
    6.
    发明申请
    Dynamic pathlight brightness based on size and distance of motion/object approaching the device 有权
    基于运动/物体接近设备的大小和距离的动态路径亮度

    公开(公告)号：US20160302284A1

    公开(公告)日：2016-10-13

    申请号：US14683420

    申请日：2015-04-10

    Applicant: Google Inc.

    Inventor： Kenneth Louis Herman ,  Bryan James ,  Yash Modi ,  Laura Rabb ,  Michael Lammers ,  Aveek Ravishekhar Purohit ,  Michael Dixon ,  Shankar Iyer

    IPC: H05B37/02 ,  H05B33/08

    CPC classification number: H05B37/0218 ,  H05B33/0854 ,  H05B37/0227 ,  Y02B20/44

    Abstract: A system and method for automatic path light control based on a detected size and classification of motion around the device using passive infrared (PIR) sensor technologies and distributed classification algorithms, and on detected light levels in and around the path area using ambient light sensor (ALS) technologies. By using such sensor data, the path light does not need to be maintained at a fixed value, which may be inadequate or inefficient at times, nor require constant user adjustments. Implementations of the disclosed subject matter enable automatic path light control that can be dynamic and automatically adjusted to fit the environment, the current user characteristics and the current user movements through the environment.

    Abstract translation: 基于使用被动红外（PIR）传感器技术和分布式分类算法的检测到的设备周围运动的尺寸和分类的自动路径光控制的系统和方法，以及使用环境光传感器（） ALS）技术。 通过使用这样的传感器数据，路径光不需要保持在固定值，有时可能不足够或低效，也不需要持续的用户调整。 所公开的主题的实现使自动路径光控制能够被动态地和自动地调整以适应环境，当前用户特征和当前用户通过环境的移动。

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