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公开(公告)号：US11875570B1
公开(公告)日：2024-01-16
申请号：US17936754
申请日：2022-09-29
Applicant: Amazon Technologies, Inc.
Inventor： Gang Hua , Gerard Guy Medioni
CPC classification number: G06V20/52 , G06F18/22 , G06V10/56 , G06V10/809
Abstract: Described is a multiple-camera system and process for re-identifying an agent located in a materials handling facility based on anterior views of agents. An anterior view of a newly detected agent may be partitioned and color signatures generated for each partition. Likewise, stored anterior views of agents (candidate agents) that may potentially be the newly detected agent are partitioned and color signatures generated for each partition. Based on the color signatures, a similarity between the anterior view of the newly detected agent and the candidate agents is determined. The similarity may be used to either determine that the newly detected agent is one of the candidate agents or reduce the set of candidate agents that are considered during a manual review.
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公开(公告)号：US10692231B1
公开(公告)日：2020-06-23
申请号：US16541057
申请日：2019-08-14
Applicant: Amazon Technologies, Inc.
Inventor： Gang Hua , Gerard Guy Medioni
Abstract: Described are systems and methods for determining an agent that performed an event within a materials handling facility. When an event is detected, an overhead image and a side-view image corresponding to the event location are obtained. Depth information is determined for the overhead image and a depth pattern generated that represents an agent. The depth pattern from the overhead image is overlaid onto the side-view image and the side-view image is segmented so that a representation of the agent included in the side-view image is extracted. A distance between the extracted representation of the agent and the event location is then determined. An association between the agent and the event may be determined based on the distance between the extracted representation and the event location.
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公开(公告)号：US10388019B1
公开(公告)日：2019-08-20
申请号：US14747833
申请日：2015-06-23
Applicant: Amazon Technologies, Inc.
Inventor： Gang Hua , Gerard Guy Medioni
Abstract: Described are systems and methods for determining an agent that performed an event within a materials handling facility. When an event is detected, an overhead image and a side-view image corresponding to the event location are obtained. Depth information is determined for the overhead image and a depth pattern generated that represents an agent. The depth pattern from the overhead image is overlaid onto the side-view image and the side-view image is segmented so that a representation of the agent included in the side-view image is extracted. A distance between the extracted representation of the agent and the event location is then determined. An association between the agent and the event may be determined based on the distance between the extracted representation and the event location.
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公开(公告)号：US10592742B1
公开(公告)日：2020-03-17
申请号：US14868017
申请日：2015-09-28
Applicant: Amazon Technologies, Inc.
Inventor： Gang Hua , Gerald Guy Medioni
Abstract: Described is a multiple-camera system and process for re-identifying an agent located in a materials handling facility based on anterior views of agents. An anterior view of a newly detected agent may be partitioned and color signatures generated for each partition. Likewise, stored anterior views of agents (candidate agents) that may potentially be the newly detected agent are partitioned and color signatures generated for each partition. Based on the color signatures, a similarity between the anterior view of the newly detected agent and the candidate agents is determined. The similarity may be used to either determine that the newly detected agent is one of the candidate agents or reduce the set of candidate agents that are considered during a manual review.
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公开(公告)号：US12236715B1
公开(公告)日：2025-02-25
申请号：US18302723
申请日：2023-04-18
Applicant: Amazon Technologies, Inc.
Inventor： Gang Hua
Abstract: Described are systems and methods for determining an agent that performed an event within a materials handling facility. A series of overhead images that include representations of the event location and one or more agents are processed to determine a motion or movement of the agent over a period of time. For example, a motion model representative of a motion of the agent over a period of time is generated from the images. A distance between the motion model and the event location is also determined. An association between the agent and the event may be determined based on the motion model and the distance between the motion model and the event location.
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Patent Agency Ranking
公开(公告)号：US10902280B1
公开(公告)日：2021-01-26
申请号：US16460948
申请日：2019-07-02
Applicant: AMAZON TECHNOLOGIES, INC.
Inventor： Gang Hua , Li Guan , Dilip Kumar , Gerard Guy Medioni
IPC: G06K9/46 , G06T17/20 , G06F16/532 , G06K9/00
Abstract: The presence of an object in a query image may be searched for using a feature of the query image. A local descriptor value for the feature is first determined. Previously stored object data for various 3D objects is then retrieved, with each set of stored object data including a probability distribution that describes a feature of a 3D object as obtained from images at different camera poses. A probability value is then determined using the local descriptor value for the feature in the query image and the available distribution data from the stored object data. The distribution data is then ranked based on the resulting probability values and the highest ranked distribution data is associated with the feature in the query image. Output data may also be generated to identify the 3D object in the query image based on an object identifier of the highest ranked distribution data.
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公开(公告)号：US10339411B1
公开(公告)日：2019-07-02
申请号：US14868205
申请日：2015-09-28
Applicant: AMAZON TECHNOLOGIES, INC.
IPC: G06K9/00 , G06K9/46 , G06T7/00 , G06T17/20 , G06F16/532
Abstract: A three-dimensional (3D) object may be represented by object data. The object data includes probability distributions that describe particular features on the 3D object. A probability distribution represents the value of local descriptors for the same feature as obtained from a plurality of images at different camera poses relative to the 3D object. A query image may be processed to determine features, and the query local descriptors of those features may be used to test against previously stored probability distributions. A combination of probability distributions that show a high probability of corresponding to the query local descriptors may be used to identify the 3D object appearing in the query image.
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公开(公告)号：US11462005B1
公开(公告)日：2022-10-04
申请号：US16820298
申请日：2020-03-16
Applicant: Amazon Technologies, Inc.
Inventor： Gang Hua , Gerard Guy Medioni
Abstract: Described is a multiple-camera system and process for re-identifying an agent located in a materials handling facility based on anterior views of agents. An anterior view of a newly detected agent may be partitioned and color signatures generated for each partition. Likewise, stored anterior views of agents (candidate agents) that may potentially be the newly detected agent are partitioned and color signatures generated for each partition. Based on the color signatures, a similarity between the anterior view of the newly detected agent and the candidate agents is determined. The similarity may be used to either determine that the newly detected agent is one of the candidate agents or reduce the set of candidate agents that are considered during a manual review.
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公开(公告)号：US11663742B1
公开(公告)日：2023-05-30
申请号：US17146230
申请日：2021-01-11
Applicant: Amazon Technologies, Inc.
Inventor： Gang Hua
CPC classification number: G06T7/97 , G06T7/251 , G06T7/292 , G06T7/33 , G06T7/73 , G06V40/20 , G06T2207/10004 , G06T2207/10016 , G06T2207/30108 , G06T2207/30196 , G06T2207/30204 , G06T2207/30232
Abstract: Described are systems and methods for determining an agent that performed an event within a materials handling facility. A series of overhead images that include representations of the event location and one or more agents are processed to determine a motion or movement of the agent over a period of time. For example, a motion model representative of a motion of the agent over a period of time is generated from the images. A distance between the motion model and the event location is also determined. An association between the agent and the event may be determined based on the motion model and the distance between the motion model and the event location.
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公开(公告)号：US10891736B1
公开(公告)日：2021-01-12
申请号：US14747846
申请日：2015-06-23
Applicant: Amazon Technologies, Inc.
Inventor： Gang Hua
Abstract: Described are systems and methods for determining an agent that performed an event within a materials handling facility. A series of overhead images that include representations of the event location and one or more agents are processed to determine a motion or movement of the agent over a period of time. For example, a motion model representative of a motion of the agent over a period of time is generated from the images. A distance between the motion model and the event location is also determined. An association between the agent and the event may be determined based on the motion model and the distance between the motion model and the event location.
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