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公开(公告)号：US20190130517A1
公开(公告)日：2019-05-02
申请号：US16132149
申请日：2018-09-14
Applicant: Digimarc Corporation
Inventor： Yang Bai , Eric D. Evans , Tomas Filler
Abstract: In some arrangements, product packaging is digitally watermarked over most of its extent to facilitate high-throughput item identification at retail checkouts. Imagery of such packaging is analyzed to detect digital watermarking. One claim recites a method utilized at a retail checkout location comprising: receiving imagery representing a packaged item from a digital camera, the packaged item including digital watermarking hidden on its packaging, the packaged item moving relative to the digital camera; determining a region in the imagery corresponding to at least one relatively faster moving object; arranging watermark detection blocks over the determine region; an detecting the digital watermarking from the watermark detection blocks. Of course other claims and combinations are also provided.
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公开(公告)号：US10078878B2
公开(公告)日：2018-09-18
申请号：US14978827
申请日：2015-12-22
Applicant: Digimarc Corporation
Inventor： Yang Bai , Eric D. Evans , Tomas Filler
CPC classification number: G06T1/005 , G06K9/2054 , G06K9/3233 , G06T7/10 , G06T7/194 , G06T7/73 , G06T2201/0051 , G06T2201/0065
Abstract: In some arrangements, product packaging is digitally watermarked over most of its extent to facilitate high-throughput item identification at retail checkouts. Imagery of such packaging can be analyzed to detect digital watermarking. One claim recites a method comprising: receiving imagery representing two packaged item from a digital camera, each of the packaged items including digital watermarking encoded in packaging on the items; each of the packaged items including digital watermarking encoded in packaging on the items; using one or more programmed electronic processors, analyzing the imagery to detect the digital watermarking; accessing a spatial template associated with the digital watermarking when two or more instances of digital watermarking are detected in a single image frame; comparing spatial areas containing the two or more instances of digital watermarking within the imagery to the spatial template; carrying out an action based on the comparing. Of course, other claims, methods, apparatus and systems are described in this patent document.
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公开(公告)号：US20230037566A1
公开(公告)日：2023-02-09
申请号：US17870629
申请日：2022-07-21
Applicant: Digimarc Corporation
Inventor： Eric D. Evans
IPC: H04N19/132 , H04N19/12 , G06T1/00 , G06K7/14 , G06K19/06
Abstract: Image data depicting a 2D machine-readable code is up-sampled and compressed with a lossy compression process before being sent from a client device to a remote server for code reading. The remote server decompresses the sent information, extracts a payload from the machine-readable code, and causes result information to be sent back to the client device for display or other action. The up-sampling and compression operations performed on the client device can employ software instructions that are downloaded to, and executed by, browser software on the client device. Many other features and arrangements are also detailed.
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公开(公告)号：US11308571B2
公开(公告)日：2022-04-19
申请号：US16579667
申请日：2019-09-23
Applicant: Digimarc Corporation
Inventor： Vojtech Holub , Donald Haaga , Ravi K. Sharma , Jeffrey B. Schulte , Eric D. Evans
IPC: G06T1/00 , H04N1/32 , H04N19/467
Abstract: The present disclosure relates to advanced image processing and encoded signal processing. One claim currently recites an image processing method comprising the acts: receiving a digital representation of artwork, the artwork having an area of uniform color; generating a two-dimensional data signal that redundantly encodes a plural-bit message, the data signal comprising plural elements, each of which has a single bit value; receiving a two-dimensional synchronization signal comprising plural elements, each of which has a plural-bit value, each element of said data signal having an element of the synchronization signal corresponding thereto; processing the two-dimensional data signal with the two-dimensional synchronization signal and with a gradient function to yield a two-dimensional gradient marking signal; and printing an ink counterpart of the gradient marking signal on a medium with the artwork, said printing comprising printing plural dithered two-dimensional blocks of at least four contiguous elements each, in which one or more elements of each block are printed to be dark. Of course, other claims and combinations are described as well.
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公开(公告)号：US11126861B1
公开(公告)日：2021-09-21
申请号：US16714258
申请日：2019-12-13
Applicant: Digimarc Corporation
Inventor： Eric D. Evans , Bryan Olmstead
Abstract: Inventory on a rack of store shelves is monitored by a camera-equipped system that senses when items have been removed. Image data is desirably sensed at plural spectral bands, to enhance item identification by digital watermark and/or other image recognition techniques. The system can be alert to the presence of nearby shoppers, and change its mode of operation in response, e.g., suppressing flash illumination or suspending image capture. The system may self-calibrate to the geometry of shelving in its field of view, and affine-correct captured imagery based on the camera's viewpoint. A great many other features and arrangements are also detailed.
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Patent Agency Ranking
公开(公告)号：US10990865B2
公开(公告)日：2021-04-27
申请号：US16444959
申请日：2019-06-18
Applicant: Digimarc Corporation
Inventor： Eric D. Evans , Christopher M. Haverkate , Mark-Andrew Ray Tait
Abstract: In an illustrative system, a point-of-sale scanner is equipped to respond to multiple different symbologies printed on a single product. The scanner captures many frames per second, as products are swiped through a viewing volume. Each frame is decoded, yielding one or more payloads. A reconciliation module compares each newly-decoded payload against a list of payloads previously output by the module, to determine if the current payload is semantically-equivalent to a previously-output payload. If so, the previously-output payload is output again, in lieu of the just-decoded payload. If no equivalent is found, the current payload is output and added to the list for comparison against future payloads. A great number of other features and arrangements are also detailed.
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公开(公告)号：US20210004550A9
公开(公告)日：2021-01-07
申请号：US15462597
申请日：2017-03-17
Applicant: Digimarc Corporation
Inventor： Brian T. MacIntosh , Tony F. Rodriguez , Bruce L. Davis , Geoffrey B. Rhoads , John D. Lord , Alastair M. Reed , Eric D. Evans , Rebecca L. Gerlach , Yang Bai , John F. Stach , Tomas Filler , Marc G. Footen , Sean Calhoon , William Y. Conwell
Abstract: In some arrangements, product packaging is digitally watermarked over most of its extent to facilitate high-throughput item identification at retail checkouts. Imagery captured by conventional or plenoptic cameras can be processed (e.g., by GPUs) to derive several different perspective-transformed views—further minimizing the need to manually reposition items for identification. Crinkles and other deformations in product packaging can be optically sensed, allowing such surfaces to be virtually flattened to aid identification. Piles of items can be 3D-modelled and virtually segmented into geometric primitives to aid identification, and to discover locations of obscured items. Other data (e.g., including data from sensors in aisles, shelves and carts, and gaze tracking for clues about visual saliency) can be used in assessing identification hypotheses about an item. Logos may be identified and used—or ignored—in product identification. A great variety of other features and arrangements are also detailed.
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公开(公告)号：US10735623B2
公开(公告)日：2020-08-04
申请号：US16247155
申请日：2019-01-14
Applicant: Digimarc Corporation
Inventor： Eric D. Evans
IPC: G06K9/00 , H04N1/32 , G06Q20/20 , G06K7/10 , G06K7/14 , G06T1/00 , G07D7/005 , G07G1/00 , G06K9/46 , G06T5/00
Abstract: Imagery captured by a point-of-sale scanner (e.g., in a supermarket) for purposes of barcode decoding, is contrast-enhanced preparatory to use for watermark decoding—despite the fact that such operation may sometimes result in contrast between certain pixels being diminished. A great variety of other features and arrangements are also detailed.
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公开(公告)号：US20200226709A1
公开(公告)日：2020-07-16
申请号：US16579667
申请日：2019-09-23
Applicant: Digimarc Corporation
Inventor： Vojtech Holub , Donald Haaga , Ravi K. Sharma , Jeffrey B. Schulte , Eric D. Evans
Abstract: The present disclosure relates to advanced image processing and encoded signal processing. One claim currently recites an image processing method comprising the acts: receiving a digital representation of artwork, the artwork having an area of uniform color; generating a two-dimensional data signal that redundantly encodes a plural-bit message, the data signal comprising plural elements, each of which has a single bit value; receiving a two-dimensional synchronization signal comprising plural elements, each of which has a plural-bit value, each element of said data signal having an element of the synchronization signal corresponding thereto; processing the two-dimensional data signal with the two-dimensional synchronization signal and with a gradient function to yield a two-dimensional gradient marking signal; and printing an ink counterpart of the gradient marking signal on a medium with the artwork, said printing comprising printing plural dithered two-dimensional blocks of at least four contiguous elements each, in which one or more elements of each block are printed to be dark. Of course, other claims and combinations are described as well.
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公开(公告)号：US20190222715A1
公开(公告)日：2019-07-18
申请号：US16247155
申请日：2019-01-14
Applicant: Digimarc Corporation
Inventor： Eric D. Evans
CPC classification number: H04N1/32267 , G06K7/10722 , G06K7/1413 , G06K9/4647 , G06Q20/208 , G06T1/005 , G06T5/009 , G06T2201/0051 , G06T2201/0065 , G06T2207/20208 , G07D7/005 , G07G1/0045 , H04N1/32352
Abstract: Imagery captured by a point-of-sale scanner (e.g., in a supermarket) for purposes of barcode decoding, is contrast-enhanced preparatory to use for watermark decoding despite the fact that such operation may sometimes result in contrast between certain pixels being diminished. A great variety of other features and arrangements are also detailed.
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