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    Signal encoding based on spectral requirements
    63.
    发明授权
    Signal encoding based on spectral requirements 有权

    公开(公告)号：US11798116B2

    公开(公告)日：2023-10-24

    申请号：US17322693

    申请日：2021-05-17

    Applicant: Digimarc Corporation

    Inventor： Alastair M. Reed ,  Kristyn R. Falkenstern

    IPC: G06K9/00 ,  G06T1/00 ,  B41M3/14 ,  H04N1/32 ,  B41M3/10

    CPC classification number: G06T1/0028 ,  B41M3/10 ,  B41M3/14 ,  H04N1/3232 ,  G06T2201/0052 ,  G06T2201/0065

    Abstract: This disclosure relates to advanced image signal processing technology including encoded signals and digital watermarking. One implementation is directed to a printed object comprising: a white substrate or background comprising a first area; an ink mixture printed at a first plurality of spatial locations within the first area, the ink mixture printed such that the first area comprises a second plurality of spatial locations without the ink mixture, the ink mixture comprising extender white and Green 7 ink, the ink mixture comprising a volume or weight ratio of 97.5% to 99.75% white extender and 2.5%-0.25% Green 7 ink; in which the first plurality of spatial locations is arranged in a pattern conveying an encoded signal, and in which the white substrate or background and the ink mixture comprise a spectral reflectivity difference at or around 660 nm in a difference range of 8%-30%. Of course, other implementations, methods, packages, systems and apparatus are described in this patent document.

    Signal encoding for difficult environments
    64.
    发明授权
    Signal encoding for difficult environments 有权

    公开(公告)号：US11756148B2

    公开(公告)日：2023-09-12

    申请号：US17334206

    申请日：2021-05-28

    Applicant: Digimarc Corporation

    Inventor： Kristyn R. Falkenstern ,  Alastair M. Reed

    IPC: G06K9/00 ,  G06T1/00 ,  H04N1/32

    CPC classification number: G06T1/0021 ,  G06T1/0028 ,  H04N1/32336 ,  G06T1/005

    Abstract: This disclosure relates to advanced image signal processing technology including encoded signals and digital watermarking. We disclose methods, systems and apparatus for selecting which ink(s) should be selected to carry an encoded signal for a given machine-vision wavelength for a retail package or other printed design. We also disclose retail product packages and other printed objects, and methods to generate such, including a sparse mark in a first ink and an overprinted ink flood in a second ink. The first ink and the second ink are related through tack and spectral reflectance difference. Of course, other methods, packages, objects, systems and apparatus are described in this disclosure.

    Digital watermarking and data hiding with clear topcoats
    65.
    发明授权
    Digital watermarking and data hiding with clear topcoats 有权

    公开(公告)号：US11741567B2

    公开(公告)日：2023-08-29

    申请号：US17372261

    申请日：2021-07-09

    Applicant: Digimarc Corporation

    Inventor： Kristyn R. Falkenstern ,  Alastair M. Reed ,  Vojtech Holub ,  Tony F. Rodriguez

    IPC: G06K7/12 ,  G06K19/06 ,  G06T1/00 ,  G07D7/00 ,  G07D7/1205 ,  B42D25/333

    CPC classification number: G06T1/0021 ,  G06K7/12 ,  G06K19/0614 ,  G06K19/06056 ,  G07D7/0034 ,  G07D7/1205 ,  B42D25/333

    Abstract: The present disclosure relates to signal processing such as image processing, signal encoding, digital watermarking and data hiding. One claim recites a method including: capturing imagery corresponding to a printed object with a red or blue illumination source, the red or blue illumination source having an illumination wavelength at or around 660 nm or an illumination wavelength in the range of 60 nm centered around 460 nm, said capturing imagery yielding captured data; wherein the printed object includes a clear coat printed thereon, the clear coat including a material that has a peak absorbance at or around 660 nm or in the range of 60 nm centered around 460 nm, the clear coat printed in a manner to convey an encoded plural-bit message, the encoded plural-bit message corresponding to product information; analyzing the captured data with one or more programmed multi-core processors to decode the encoded plural-bit message, said analyzing yielding the product information; and providing the product information as an output. Of course, other claims, technology and combinations are disclosed.

    Signal encoding for aluminum alloy containers
    66.
    发明授权
    Signal encoding for aluminum alloy containers 有权

    公开(公告)号：US11643253B1

    公开(公告)日：2023-05-09

    申请号：US17586584

    申请日：2022-01-27

    Applicant: Digimarc Corporation

    Inventor： Alastair M. Reed ,  Kristyn R. Falkenstern

    IPC: B65D25/34 ,  G06K19/06 ,  B41J3/413 ,  B41M3/10 ,  G06T1/00 ,  B41J3/407 ,  B41M3/00 ,  B42D25/333 ,  H04N1/32 ,  B65D1/40 ,  B65D1/12

    CPC classification number: B65D25/34 ,  B41J3/4073 ,  B41J3/413 ,  B41M3/008 ,  B41M3/10 ,  B42D25/333 ,  B65D1/12 ,  B65D1/40 ,  G06K19/06037 ,  G06T1/0028 ,  H04N1/32336

    Abstract: This disclosure relates to advanced image signal processing technology including encoded signals and digital watermarking. One claim is directed to a container comprising: a 3004 or 3003 aluminum alloy shell, the shell comprising an outer surface and an inner surface; a first layer of transparent ink printed on the outer surface as a flood within a first region; a second layer of the transparent ink printed over the first layer of transparent ink within the first region, in which the second layer of the transparent ink is printed to include a plurality of holes without any transparent ink printed therein; an opaque ink printed within the plurality of holes of the second layer of transparent ink on first layer of transparent ink within the first region, in which: i) the outer surface/first layer/second layer, and ii) the outer surface/first layer/opaque ink comprise a spectral reflectance difference at a machine-vision wavelength in the range of 8%-35%, and in which the plurality of holes are arranged in a 2-dimensional pattern according to a machine-readable signal, the 2-dimensional pattern being machine-readable from imagery captured of the first region. Of course, other containers, methods, packages, objects, systems, technology and apparatus are described in this disclosure.

    Signal Encoding for Physical Objects including Dark Ink
    67.
    发明申请
    Signal Encoding for Physical Objects including Dark Ink 有权

    公开(公告)号：US20230086415A1

    公开(公告)日：2023-03-23

    申请号：US17834824

    申请日：2022-06-07

    Applicant: Digimarc Corporation

    Inventor： Alastair M. Reed ,  Jay Sperry ,  Kristyn R. Falkenstern

    IPC: G06T1/00 ,  H04N1/32 ,  C09B29/00 ,  C09B57/00 ,  C09D11/037

    Abstract: This disclosure relates to advanced image signal processing technology including encoded signals and digital watermarking. One implementation is directed a printed object comprising: a substrate comprising a first area; a first colored ink or design printed within the first area, the first colored ink or design comprising a spectral reflectivity of less than or equal to 20% at or around 660 nm; a colored ink mixture printed over the first colored ink or design at a first plurality of spatial locations within the first area, the colored ink mixture printed such that the first area comprises a second plurality of spatial locations without the colored ink mixture, the colored ink mixture comprising opaque white ink and a first colorant, wherein the color ink mixture comprises a spectral reflectivity greater than the first colored ink or design at or around 660 nm, and wherein colored ink mixture comprises a spectral reflectivity less than the first colored ink or design in the range of 495 nm-570 nm; in which the first plurality of spatial locations is arranged in a pattern conveying an encoded signal, and in which the first colored ink or design and the colored ink mixture comprise a spectral reflectivity difference at or around 660 nm in a difference range of 8%-30%. Of course, other objects, methods, packages, labels, containers, systems and apparatus are described in this patent document.

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