Patents by Inventor Daniel L. Lau

Daniel L. Lau has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10889107
    Abstract: A printing system capable of accurately positioning a lenticular array in registration with a rectilinear raster includes a printer that is capable of printing onto a printable surface. The printer has a main support surface on which the printable surface rests. The system further includes a series of raised parallel relief features being spatially formed along a printable substrate that is supported by the main support surface. The raised parallel relief features are raised to a sufficient height above the printable substrate such that when the lenticular array is disposed upon the raised parallel relief features, each raised parallel relief feature fits and is disposed within a valley formed between two respective adjoining lenticules of the lenticular array.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: January 12, 2021
    Assignee: TRACER IMAGING LLC
    Inventors: Steven M. Spiro, Stephen S. Daniell, Daniel L. Lau
  • Patent number: 10832110
    Abstract: The present invention embodies a technique, referred to as Secure QR Codes, which not only provides aesthetically enhanced QR codes but also allows for security. It can embed a standard black and white QR code, referred to as a public QR code, and a secret QR code, both into a secure QR code. The secure QR code produced is composed of colored cells. The public black and white QR code must first be, either aesthetically enhanced into an enhanced colored QR code, or transformed into a colored QR code with cells of uniform color obtained by transforming each of the black and white cells of the public QR code into cells that takes a color from a subset of possible colors, such that the luminance of each colored cell approximates accurately the black or white luminance values of the public QR code.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: November 10, 2020
    Assignee: Graphiclead LLC
    Inventors: Gonzalo R. Arce, Gonzalo Garateguy, Sean Xiaolu Wang, Daniel L. Lau
  • Patent number: 10817971
    Abstract: Disclosed are a method and apparatus for embedding a graphic image representation into a two dimensional matrix code by modifying the characteristic values of individual pixels in the image according the values of a provided two dimensional matrix code image. The modified character pixel values are determined using an optimization procedure that minimizes a visual distortion with respect to the original graphic image representation while maintaining the value of a probability of error model below a specified limit.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: October 27, 2020
    Assignee: Graphiclead LLC
    Inventors: Gonzalo R. Arce, Gonzalo J. Garateguy, Daniel L. Lau
  • Patent number: 10614540
    Abstract: Disclosed are a method and apparatus for embedding a graphic representation into a two dimensional matrix code by modifying the luminance of individual pixels in the image according the values of a provided QR code image. The modified luminance values are determined by an optimization procedure which minimizes a visual distortion metric with respect to the original graphic representation while maintaining the value of a model for the probability of decoding and detection error below a specified limit.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: April 7, 2020
    Assignee: GraphicLead LLC
    Inventors: Gonzalo R. Arce, Gonzalo J. Garateguy, Daniel L. Lau, Sean Xiaolu Wang
  • Publication number: 20190210359
    Abstract: A printing system capable of accurately positioning a lenticular array in registration with a rectilinear raster includes a printer that is capable of printing onto a printable surface. The printer has a main support surface on which the printable surface rests. The system further includes a series of raised parallel relief features being spatially formed along a printable substrate that is supported by the main support surface. The raised parallel relief features are raised to a sufficient height above the printable substrate such that when the lenticular array is disposed upon the raised parallel relief features, each raised parallel relief feature fits and is disposed within a valley formed between two respective adjoining lenticules of the lenticular array.
    Type: Application
    Filed: March 14, 2019
    Publication date: July 11, 2019
    Inventors: Steven M. Spiro, Stephen S. Daniell, Daniel L. Lau
  • Patent number: 10245825
    Abstract: A printing system capable of accurately positioning a lenticular array in registration with a rectilinear raster includes a printer that is capable of printing onto a printable surface. The printer has a main support surface on which the printable surface rests. The system further includes a series of raised parallel relief features being spatially formed along a printable substrate that is supported by the main support surface. The raised parallel relief features are raised to a sufficient height above the printable substrate such that when the lenticular array is disposed upon the raised parallel relief features, each raised parallel relief feature fits and is disposed within a valley formed between two respective adjoining lenticules of the lenticular array.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: April 2, 2019
    Assignee: TRACER IMAGING LLC
    Inventors: Stephen S. Daniell, Steven M. Spiro, Daniel L. Lau
  • Publication number: 20190087699
    Abstract: The present invention embodies a technique, referred to as Secure QR Codes, which not only provides aesthetically enhanced QR codes but also allows for security. It can embed a standard black and white QR code, referred to as a public QR code, and a secret QR code, both into a secure QR code. The secure QR code produced is composed of colored cells. The public black and white QR code must first be, either aesthetically enhanced into an enhanced colored QR code, or transformed into a colored QR code with cells of uniform color obtained by transforming each of the black and white cells of the public QR code into cells that takes a color from a subset of possible colors, such that the luminance of each colored cell approximates accurately the black or white luminance values of the public QR code.
    Type: Application
    Filed: November 2, 2018
    Publication date: March 21, 2019
    Applicant: Graphiclead LLC
    Inventors: Gonzalo R. Arce, Gonzalo Garateguy, Sean Xiaolu Wang, Daniel L. Lau
  • Publication number: 20190043151
    Abstract: Disclosed are a method and apparatus for embedding a graphic representation into a two dimensional matrix code by modifying the luminance of individual pixels in the image according the values of a provided QR code image. The modified luminance values are determined by means of an optimization procedure which minimizes a visual distortion metric with respect to the original graphic representation while maintaining the value of a model for the probability of decoding and detection error below a specified limit.
    Type: Application
    Filed: April 28, 2016
    Publication date: February 7, 2019
    Inventors: Gonzalo R. ARCE, Gonzalo J. GARATEGUY, Daniel L. LAU, Sean Xiaolu WANG
  • Patent number: 10152663
    Abstract: The present invention embodies a technique, referred to as Secure QR Codes, which not only provides aesthetically enhanced QR codes but also allows for security. It can embed a standard black and white QR code, referred to as a public QR code, and a secret QR code, both into a secure QR code. The secure QR code produced is composed of colored cells. The public black and white QR code must first be, either aesthetically enhanced into an enhanced colored QR code, or transformed into a colored QR code with cells of uniform color obtained by transforming each of the black and white cells of the public QR code into cells that takes a color from a subset of possible colors, such that the luminance of each colored cell approximates accurately the black or white luminance values of the public QR code.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: December 11, 2018
    Assignee: Graphiclead LLC
    Inventors: Gonzalo R. Arce, Gonzalo Garateguy, Sean Xiaolu Wang, Daniel L. Lau
  • Patent number: 10151629
    Abstract: Spectral imaging sensors and methods are disclosed. One spectral imaging sensor includes a light source, an array of coded apertures, one or more optical elements, and a photodetector. The light source is configured to emit a plurality of pulses of light toward an object to be imaged. The array of coded apertures is positioned to spatially modulate light received from the object to be imaged. The optical elements are configured to redirect light from the array of coded apertures. The photodetector is positioned to receive light from the one or more optical elements. The photodetector comprise a plurality of light sensing elements. The plurality of light sensing elements are operable to sense the light from the one or more optical elements in a plurality of time periods. The plurality of time periods have a same frequency as the plurality of pulses of light.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: December 11, 2018
    Assignee: University Of Delaware
    Inventors: Daniel L. Lau, Gonzalo R. Arce
  • Publication number: 20180264805
    Abstract: A printing system capable of accurately positioning a lenticular array in registration with a rectilinear raster includes a printer that is capable of printing onto a printable surface. The printer has a main support surface on which the printable surface rests. The system further includes a series of raised parallel relief features being spatially formed along a printable substrate that is supported by the main support surface. The raised parallel relief features are raised to a sufficient height above the printable substrate such that when the lenticular array is disposed upon the raised parallel relief features, each raised parallel relief feature fits and is disposed within a valley formed between two respective adjoining lenticules of the lenticular array.
    Type: Application
    Filed: February 13, 2018
    Publication date: September 20, 2018
    Inventors: Stephen S. Daniell, Steven M. Spiro, Daniel L. Lau
  • Publication number: 20180247417
    Abstract: A method and system for using one or more sensors configured to capture two-dimensional and/or three dimensional image data of one or more objects. In particular, the method and system combine one or more digital sensors with visible and near infrared illumination to capture visible and non-visible range spectral image data for one or more objects. The captured spectral image data can be used to separate and identify the one or more objects. Additionally, the three-dimensional image data can be used to determine a volume for each of the one or more objects. The identification and volumetric data for one or more objects can be used individually or in combination to obtain characteristics about the objects. The method and system provide the user with the ability to capture images of one or more objects and obtain related characteristics or information about each of the one or more objects.
    Type: Application
    Filed: March 28, 2018
    Publication date: August 30, 2018
    Inventors: Christopher M. Mutti, Daniel L. Lau, John P. Coates
  • Patent number: 9959628
    Abstract: A method and system for using one or more sensors configured to capture two-dimensional and/or three dimensional image data of one or more objects. In particular, the method and system combine one or more digital sensors with visible and near infrared illumination to capture visible and non-visible range spectral image data for one or more objects. The captured spectral image data can be used to separate and identify the one or more objects. Additionally, the three-dimensional image data can be used to determine a volume for each of the one or more objects. The identification and volumetric data for one or more objects can be used individually or in combination to obtain characteristics about the objects. The method and system provide the user with the ability to capture images of one or more objects and obtain related characteristics or information about each of the one or more objects.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: May 1, 2018
    Inventors: Christopher M. Mutti, Daniel L. Lau, John P. Coates
  • Publication number: 20180080822
    Abstract: Spectral imaging sensors and methods are disclosed. One spectral imaging sensor includes a light source, an array of coded apertures, one or more optical elements, and a photodetector. The light source is configured to emit a plurality of pulses of light toward an object to be imaged. The array of coded apertures is positioned to spatially modulate light received from the object to be imaged. The optical elements are configured to redirect light from the array of coded apertures. The photodetector is positioned to receive light from the one or more optical elements. The photodetector comprise a plurality of light sensing elements. The plurality of light sensing elements are operable to sense the light from the one or more optical elements in a plurality of time periods. The plurality of time periods have a same frequency as the plurality of pulses of light.
    Type: Application
    Filed: March 18, 2016
    Publication date: March 22, 2018
    Applicants: University of Delaware, University of Kentucky
    Inventors: Daniel L. Lau, Gonzalo R. Arce
  • Patent number: 9924069
    Abstract: A method of integrating a radial zoom effect with a complementary radial image transition effect includes integrating the effects such that the two blended radial effects share a common center, and thereby share common displacement paths during the perceived transition. In addition to the visual appeal of the effect, the invention also resolves operational incompatibilities between the practice of commercial photography and the practice of lenticular printing. A lenticular product is formed in accordance with this method.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: March 20, 2018
    Assignee: TRACER IMAGING LLC
    Inventors: Steven M. Spiro, Stephen S. Daniell, Daniel L. Lau
  • Patent number: 9919515
    Abstract: A printing system capable of accurately positioning a lenticular array in registration with a rectilinear raster includes a printer that is capable of printing onto a printable surface. The printer has a main support surface on which the printable surface rests. The system further includes a series of raised parallel relief features being spatially formed along a printable substrate that is supported by the main support surface. The raised parallel relief features are raised to a sufficient height above the printable substrate such that when the lenticular array is disposed upon the raised parallel relief features, each raised parallel relief feature fits and is disposed within a valley formed between two respective adjoining lenticules of the lenticular array.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: March 20, 2018
    Assignee: TRACER IMAGING LLC
    Inventors: Stephen S. Daniell, Steven M. Spiro, Daniel L. Lau
  • Publication number: 20180075570
    Abstract: Disclosed are a method and apparatus for embedding a graphic image representation into a two dimensional matrix code by modifying the characteristic values of individual pixels in the image according the values of a provided two dimensional matrix code image. The modified character pixel values are determined using an optimization procedure that minimizes a visual distortion with respect to the original graphic image representation while maintaining the value of a probability of error model below a specified limit.
    Type: Application
    Filed: November 17, 2017
    Publication date: March 15, 2018
    Inventors: Gonzalo R. ARCE, Gonzalo J. GARATEGUY, Daniel L. LAU
  • Patent number: 9865027
    Abstract: Disclosed are a method and apparatus for embedding a graphic image representation into a two dimensional matrix code by modifying the characteristic values of individual pixels in the image according the values of a provided two dimensional matrix code image. The modified character pixel values are determined using an optimization procedure that minimizes a visual distortion with respect to the original graphic image representation while maintaining the value of a probability of error model below a specified limit.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: January 9, 2018
    Assignee: GraphicLead LLC
    Inventors: Gonzalo R. Arce, Gonzalo J. Garateguy, Daniel L. Lau
  • Publication number: 20170217160
    Abstract: A printing system capable of accurately positioning a lenticular array in registration with a rectilinear raster includes a printer that is capable of printing onto a printable surface. The printer has a main support surface on which the printable surface rests. The system further includes a series of raised parallel relief features being spatially formed along a printable substrate that is supported by the main support surface. The raised parallel relief features are raised to a sufficient height above the printable substrate such that when the lenticular array is disposed upon the raised parallel relief features, each raised parallel relief feature fits and is disposed within a valley formed between two respective adjoining lenticules of the lenticular array.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 3, 2017
    Inventors: Stephen S. Daniell, Steven M. Spiro, Daniel L. Lau
  • Publication number: 20170201649
    Abstract: A method of integrating a radial zoom effect with a complementary radial image transition effect includes integrating the effects such that the two blended radial effects share a common center, and thereby share common displacement paths during the perceived transition. In addition to the visual appeal of the effect, the invention also resolves operational incompatibilities between the practice of commercial photography and the practice of lenticular printing. A lenticular product is formed in accordance with this method.
    Type: Application
    Filed: January 18, 2017
    Publication date: July 13, 2017
    Inventors: Steven M. Spiro, Stephen S. Daniell, Daniel L. Lau