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公开(公告)号：US20150161434A1
公开(公告)日：2015-06-11
申请号：US14100704
申请日：2013-12-09
Applicant: Google Inc.
Inventor： Steven James Ross , Brian Patrick Williams , Henry Will Schneiderman , Michael Christian Nechyba
IPC: G06K9/00
CPC classification number: G06K9/00288 , G06F21/32 , G06K9/00268
Abstract: Facial recognition can be used to determine whether or not a user has access privileges to a device such as a smartphone. It may be possible to spoof an authenticated user's image using a picture of the user. Implementations disclosed herein utilize time of flight and/or reflectivity measurements of an authenticated user to compare to such values obtained for an image of an object. If the time of flight distance and/or reflectivity distance for the object match a measured distance, then the person (i.e., object) may be granted access to the device.
Abstract translation: 可以使用面部识别来确定用户是否具有诸如智能电话的设备的访问权限。 可以使用用户的图片欺骗认证的用户的图像。 本文公开的实施方式利用已验证用户的飞行时间和/或反射率测量值来比较对于对象的图像获得的这些值。 如果对象的飞行距离和/或反射距离与测量距离相匹配，则可以允许人（即，对象）访问设备。
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公开(公告)号：US09158904B1
公开(公告)日：2015-10-13
申请号：US14079941
申请日：2013-11-14
Applicant: Google Inc.
Inventor： Steven James Ross , Henry Will Schneiderman , Michael Christian Nechyba , Yong Zhao
CPC classification number: G06F21/32 , G06K9/00214 , G06K9/00221 , G06K9/00288 , G06K9/00899
Abstract: An example method includes capturing, by an image capture device of a computing device, an image of a face of a user. The method further includes detecting, by the computing device, whether a distance between the computing device and an object represented by at least a portion of the image is less than a threshold distance, and, when the detected distance is less than a threshold distance, denying authentication to the user with respect to accessing one or more functionalities controlled by the computing device, where the authentication is denied independent of performing facial recognition based at least in part on the captured image.
Abstract translation: 示例性方法包括通过计算设备的图像捕获设备捕获用户的脸部的图像。 该方法还包括由计算设备检测计算设备与由图像的至少一部分表示的对象之间的距离是否小于阈值距离，并且当检测到的距离小于阈值距离时， 拒绝对用户访问由计算设备控制的一个或多个功能的认证，其中认证被拒绝，独立于至少部分地基于所捕获的图像执行面部识别。
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公开(公告)号：US08611616B1
公开(公告)日：2013-12-17
申请号：US13738744
申请日：2013-01-10
Applicant: Google Inc.
Inventor： Steven James Ross , Henry Will Schneiderman , Michael Christian Nechyba , Yong Zhao
IPC: G06K9/00
CPC classification number: G06F21/32 , G06K9/00214 , G06K9/00221 , G06K9/00288 , G06K9/00899
Abstract: An example method includes capturing, by an image capture device of a computing device, an image of a face of a user. The method further includes detecting, by the computing device, whether a distance between the computing device and an object represented by at least a portion of the image is less than a threshold distance, and, when the detected distance is less than a threshold distance, denying authentication to the user with respect to accessing one or more functionalities controlled by the computing device, where the authentication is denied independent of performing facial recognition based at least in part on the captured image.
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公开(公告)号：US09524421B2
公开(公告)日：2016-12-20
申请号：US14100704
申请日：2013-12-09
Applicant: Google Inc.
Inventor： Steven James Ross , Brian Patrick Williams , Henry Will Schneiderman , Michael Christian Nechyba
CPC classification number: G06K9/00288 , G06F21/32 , G06K9/00268
Abstract: Facial recognition can be used to determine whether or not a user has access privileges to a device such as a smartphone. It may be possible to spoof an authenticated user's image using a picture of the user. Implementations disclosed herein utilize time of flight and/or reflectivity measurements of an authenticated user to compare to such values obtained for an image of an object. If the time of flight distance and/or reflectivity distance for the object match a measured distance, then the person (i.e., object) may be granted access to the device.
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