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公开(公告)号：US10929713B2
公开(公告)日：2021-02-23
申请号：US16163273
申请日：2018-10-17
Applicant: SRI International
Inventor： Han-Pang Chiu , Supun Samarasekera , Rakesh Kumar , Varun Murali
Abstract: Techniques are disclosed for improving navigation accuracy for a mobile platform. In one example, a navigation system comprises an image sensor that generates a plurality of images, each image comprising one or more features. A computation engine executing on one or more processors of the navigation system processes each image of the plurality of images to determine a semantic class of each feature of the one or more features of the image. The computation engine determines, for each feature of the one or more features of each image and based on the semantic class of the feature, whether to include the feature as a constraint in a navigation inference engine. The computation engine generates, based at least on features of the one or more features included as constraints in the navigation inference engine, navigation information. The computation engine outputs the navigation information to improve navigation accuracy for the mobile platform.
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公开(公告)号：US11676296B2
公开(公告)日：2023-06-13
申请号：US16101201
申请日：2018-08-10
Applicant: SRI International
Inventor： Han-Pang Chiu , Supun Samarasekera , Rakesh Kumar , Ryan Villamil , Varun Murali , Gregory Drew Kessler
IPC: G06T7/579 , G06T19/00 , G06T7/136 , G06N3/08 , G06F16/903 , G06F16/583 , G06T7/521 , G06T7/143 , G06T7/11 , G06V20/58 , G06V20/56 , G06F18/24 , G06V20/20 , G01S17/89 , G01S17/86
CPC classification number: G06T7/579 , G06F16/5838 , G06F16/903 , G06F18/24 , G06N3/08 , G06T7/11 , G06T7/136 , G06T7/143 , G06T7/521 , G06T19/006 , G06V20/20 , G06V20/56 , G06V20/582 , G06V20/588 , G01S17/86 , G01S17/89 , G06T2207/10016 , G06T2207/10021 , G06T2207/10028 , G06T2207/10032 , G06T2207/30212 , G06T2207/30244 , G06T2207/30248
Abstract: Techniques for augmenting a reality captured by an image capture device are disclosed. In one example, a system includes an image capture device that generates a two-dimensional frame at a local pose. The system further includes a computation engine executing on one or more processors that queries, based on an estimated pose prior, a reference database of three-dimensional mapping information to obtain an estimated view of the three-dimensional mapping information at the estimated pose prior. The computation engine processes the estimated view at the estimated pose prior to generate semantically segmented sub-views of the estimated view. The computation engine correlates, based on at least one of the semantically segmented sub-views of the estimated view, the estimated view to the two-dimensional frame. Based on the correlation, the computation engine generates and outputs data for augmenting a reality represented in at least one frame captured by the image capture device.
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公开(公告)号：US20190114507A1
公开(公告)日：2019-04-18
申请号：US16163273
申请日：2018-10-17
Applicant: SRI International
Inventor： Han-Pang Chiu , Supun Samarasekera , Rakesh Kumar , Varun Murali
Abstract: Techniques are disclosed for improving navigation accuracy for a mobile platform. In one example, a navigation system comprises an image sensor that generates a plurality of images, each image comprising one or more features. A computation engine executing on one or more processors of the navigation system processes each image of the plurality of images to determine a semantic class of each feature of the one or more features of the image. The computation engine determines, for each feature of the one or more features of each image and based on the semantic class of the feature, whether to include the feature as a constraint in a navigation inference engine. The computation engine generates, based at least on features of the one or more features included as constraints in the navigation inference engine, navigation information. The computation engine outputs the navigation information to improve navigation accuracy for the mobile platform.
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公开(公告)号：US20190051056A1
公开(公告)日：2019-02-14
申请号：US16101201
申请日：2018-08-10
Applicant: SRI International
Inventor： Han-Pang Chiu , Supun Samarasekera , Rakesh Kumar , Ryan Villamil , Varun Murali , Gregory Drew Kessler
Abstract: Techniques for augmenting a reality captured by an image capture device are disclosed. In one example, a system includes an image capture device that generates a two-dimensional frame at a local pose. The system further includes a computation engine executing on one or more processors that queries, based on an estimated pose prior, a reference database of three-dimensional mapping information to obtain an estimated view of the three-dimensional mapping information at the estimated pose prior. The computation engine processes the estimated view at the estimated pose prior to generate semantically segmented sub-views of the estimated view. The computation engine correlates, based on at least one of the semantically segmented sub-views of the estimated view, the estimated view to the two-dimensional frame. Based on the correlation, the computation engine generates and outputs data for augmenting a reality represented in at least one frame captured by the image capture device.
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