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公开(公告)号：US11797022B1
公开(公告)日：2023-10-24
申请号：US17305013
申请日：2021-06-29
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： James Ballantyne , Eric Foxlin , Lu Xia , Simon Edwards-Parton , Boshen Niu , Harish Annavajjala
CPC classification number: G05D1/0251 , G05D1/0088 , G05D1/0214 , G06T7/12 , G06T7/13 , G06T7/521 , G06T7/593 , G06T2207/10012 , G06T2207/10028 , G06T2207/30261
Abstract: An autonomous mobile device (AMD) may move around a physical space while performing tasks. Sensor data is used to determine an occupancy map of the physical space. Some objects within the physical space may be difficult to detect because of characteristics that result in lower confidence in sensor data, such as transparent or reflective objects. To include difficult-to-detect objects in the occupancy map, image data is processed to identify portions of the image that includes features associated with difficult-to-detect objects. Given the portion that possibly includes difficult-to-detect objects, the AMD attempts to determine where in the physical space that portion corresponds to. For example, the AMD may use stereovision to determine the physical area associated with the features depicted in the portion. Objects in that area are included in an occupancy map annotated as objects that should persist unless confirmed to not be within the physical space.
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公开(公告)号：US11284041B1
公开(公告)日：2022-03-22
申请号：US15841240
申请日：2017-12-13
Applicant: Amazon Technologies, Inc.
Inventor： Alessandro Bergamo , Pahal Kamlesh Dalal , Nishitkumar Ashokkumar Desai , Jayakrishnan Kumar Eledath , Marian Nasr Amin George , Jean Laurent Guigues , Gerard Guy Medioni , Kartik Muktinutalapati , Robert Matthias Steele , Lu Xia
Abstract: In a materials handling facility, events may be associated with users based on imaging data captured from multiple fields of view. When an event is detected at a location within the fields of view of multiple cameras, two or more of the cameras may be identified as having captured images of the location at a time of the event. Users within the materials handling facility may be identified from images captured prior to, during or after the event, and visual representations of the respective actors may be generated from the images. The event may be associated with one of the users based on distances between the users' hands and the location of the event, as determined from the visual representations, or based on imaging data captured from the users' hands, which may be processed to determine which, if any, of such hands includes an item associated with the event.
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公开(公告)号：US11030442B1
公开(公告)日：2021-06-08
申请号：US15841237
申请日：2017-12-13
Applicant: Amazon Technologies, Inc.
Inventor： Alessandro Bergamo , Pahal Kamlesh Dalal , Nishitkumar Ashokkumar Desai , Jayakrishnan Kumar Eledath , Marian Nasr Amin George , Jean Laurent Guigues , Gerard Guy Medioni , Kartik Muktinutalapati , Robert Matthias Steele , Lu Xia
Abstract: In a materials handling facility, events may be associated with users based on imaging data captured from multiple fields of view. When an event is detected at a location within the fields of view of multiple cameras, two or more of the cameras may be identified as having captured images of the location at a time of the event. Users within the materials handling facility may be identified from images captured prior to, during or after the event, and visual representations of the respective actors may be generated from the images. The event may be associated with one of the users based on distances between the users' hands and the location of the event, as determined from the visual representations, or based on imaging data captured from the users' hands, which may be processed to determine which, if any, of such hands includes an item associated with the event.
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公开(公告)号：US11422568B1
公开(公告)日：2022-08-23
申请号：US16680227
申请日：2019-11-11
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： Jim Oommen Thomas , Jingjing Zheng , Rakesh Ramesh , Yuyin Sun , Lu Xia , Peng Lei , Jiajia Luo
Abstract: An autonomous mobile device (AMD) may perform various tasks during operation. Some tasks, such as delivering a message to a particular user, may involve the AMD identifying the particular user. The AMD includes a camera to acquire an image, and image-based authentication techniques are used to determine a user's identity. A user may move within in a physical space, and the space may contain various obstructions which may occlude images. The AMD may move within the space to obtain a vantage point from which an image of the face of the user is obtained which is suitable for image-based authentication. In some situations, the AMD may present an attention signal, such as playing a sound from a speaker or flashing a light, to encourage the user to look at the AMD, providing an image for use in image-based authentication.
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