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公开(公告)号：US20200372230A1
公开(公告)日：2020-11-26
申请号：US16769723
申请日：2018-01-29
发明人： Steven J. Simske , Guy Adams , Stephen Pollard , Jason S. Aronoff
摘要： An object ID-centered workflow method utilizes an object identifier (ID) associated with an object. Forensic identification of serialization elements of the object ID enables access to a registry of workflows.
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公开(公告)号：US10558879B2
公开(公告)日：2020-02-11
申请号：US15522107
申请日：2014-10-30
发明人： Stephen Pollard , Steven J. Simske , Guy Adams
摘要： Digital signature authentication systems and methods are disclosed. An example method of authenticating a digital signature extracted from a high resolution image includes comparing an extracted signature from an image to a reference signature. The example method also includes authenticating the extracted signature against the reference signature according to one of a plurality of different authentication protocols.
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公开(公告)号：US20180365519A1
公开(公告)日：2018-12-20
申请号：US15779838
申请日：2016-04-07
发明人： Stephen Pollard , Guy Adams , Steven Simske
摘要： An example system includes a feature extraction engine. The feature extraction engine is to determine a plurality of scale-dependent features for a portion of a target. The system also includes a signature-generation engine to select a subset of the plurality of scale-dependent features based on a strength of each feature. The signature-generation engine also is to store a numeric representation of the portion of the target and the subset of the plurality of scale-dependent features.
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公开(公告)号：US20160335526A1
公开(公告)日：2016-11-17
申请号：US15110027
申请日：2014-01-06
发明人： Hossein Malekmohamadi , Guy Adams , Stephen Pollard , Steven J Simske , Khemraj Emirith , Melvyn Smith
CPC分类号： G06K9/6277 , G06T7/0004 , G06T7/41 , G06T7/593 , G06T2207/10012 , G06T2207/10021 , G06T2207/10152 , G06T2207/20076 , G06T2207/20081 , G06T2207/20084 , G06T2207/30124 , H04N1/2323
摘要： Examples disclosed herein relate to classifying paper based on three-dimensional characteristics of the paper. For example, a representation of the three-dimensional characteristics of the paper may be created, and statistical summary information related to the three-dimensional characteristics of the paper may be determined based on the representation. The paper may be classified based on the statistical summary information.
摘要翻译： 本文公开的实例涉及基于纸的三维特征对纸进行分类。 例如，可以创建纸张的三维特征的表示，并且可以基于表示来确定与纸张的三维特征相关的统计摘要信息。 该文件可以根据统计摘要信息进行分类。
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公开(公告)号：US11688153B2
公开(公告)日：2023-06-27
申请号：US17306902
申请日：2021-05-03
发明人： Steven J. Simske , Guy Adams , Stephen Pollard , Jason S. Aronoff
CPC分类号： G06V10/245 , G06K7/10722 , G06K7/1417
摘要： An object ID-centered workflow method utilizes an object identifier (ID) associated with an object. Forensic identification of serialization elements of the object ID enables access to a registry of workflows.
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公开(公告)号：US11315286B2
公开(公告)日：2022-04-26
申请号：US16471081
申请日：2017-04-26
发明人： Faisal Azhar , Stephen Pollard , Guy Adams , Steven J. Simske
IPC分类号： G06K9/00 , G06T7/73 , B29C64/393 , B29C64/205 , G06K9/32 , G06K9/20 , B29C64/386 , G06T7/00 , B33Y10/00 , B33Y50/02
摘要： A method is disclosed. The method comprises defining a region of interest on a three-dimensional model of an object. The method may comprise capturing an image of an object manufactured according to the three-dimensional model. The method may comprise determining, using a processor, a position and orientation of the three-dimensional model with respect to the object in the captured image. The method may comprise locating the region of interest on the manufactured object. A portion of the manufactured object within the region of interest may comprise an identifiable feature. An apparatus and a machine-readable medium are also disclosed.
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公开(公告)号：US11263478B2
公开(公告)日：2022-03-01
申请号：US15779838
申请日：2016-04-07
发明人： Stephen Pollard , Guy Adams , Steven Simske
摘要： An example system includes a feature extraction engine. The feature extraction engine is to determine a plurality of scale-dependent features for a portion of a target. The system also includes a signature-generation engine to select a subset of the plurality of scale-dependent features based on a strength of each feature. The signature-generation engine also is to store a numeric representation of the portion of the target and the subset of the plurality of scale-dependent features.
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公开(公告)号：US10362194B2
公开(公告)日：2019-07-23
申请号：US15545712
申请日：2015-02-27
摘要： An example system in accordance with an aspect of the present disclosure includes a halftone engine and a gray value engine. The halftone engine is to apply halftoning to an image recursively across a plurality of levels of image scales and spatial resolutions, to generate a pattern that is at least quasi-periodic across the plurality of levels. The gray value engine is to substitute gray values recursively for at least a portion of the halftoning.
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公开(公告)号：US10027843B2
公开(公告)日：2018-07-17
申请号：US15114392
申请日：2014-01-30
摘要： A data-bearing image (391) is created from a carrier image (371). The carrier image (371) is scaled to produce a scaled image. A clustered-dot halftone screen is applied to the scaled image to produce a halftone image. A resulting number of cells in the halftone image conforms to a cell count (372) that includes a horizontal cell value and a vertical cell value. Payload data is encoded into the halftone image to produce a data-bearing halftone image, including shifting pixel clusters within cells of the halftone image that include pixel clusters.
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公开(公告)号：US20170330350A1
公开(公告)日：2017-11-16
申请号：US15522749
申请日：2014-12-19
CPC分类号： G06T7/97 , G06F16/5854 , G06T1/0007 , G06T7/11 , H04N5/23216 , H04N5/23293
摘要： Examples disclosed herein relate to determining image capture position information based on a quasi-periodic pattern. For example, a processor may determine whether a target area is within a captured image based on the detection of a quasi-periodic pattern in a first detection area and in a second detection area of the captured image.
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