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).
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Patent number: 10889107Abstract: 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: GrantFiled: March 14, 2019Date of Patent: January 12, 2021Assignee: TRACER IMAGING LLCInventors: Steven M. Spiro, Stephen S. Daniell, Daniel L. Lau
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Patent number: 10832110Abstract: 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: GrantFiled: November 2, 2018Date of Patent: November 10, 2020Assignee: Graphiclead LLCInventors: Gonzalo R. Arce, Gonzalo Garateguy, Sean Xiaolu Wang, Daniel L. Lau
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Patent number: 10817971Abstract: 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: GrantFiled: November 17, 2017Date of Patent: October 27, 2020Assignee: Graphiclead LLCInventors: Gonzalo R. Arce, Gonzalo J. Garateguy, Daniel L. Lau
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Patent number: 10614540Abstract: 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: GrantFiled: April 28, 2016Date of Patent: April 7, 2020Assignee: GraphicLead LLCInventors: Gonzalo R. Arce, Gonzalo J. Garateguy, Daniel L. Lau, Sean Xiaolu Wang
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Publication number: 20190210359Abstract: 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: ApplicationFiled: March 14, 2019Publication date: July 11, 2019Inventors: Steven M. Spiro, Stephen S. Daniell, Daniel L. Lau
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Patent number: 10245825Abstract: 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: GrantFiled: February 13, 2018Date of Patent: April 2, 2019Assignee: TRACER IMAGING LLCInventors: Stephen S. Daniell, Steven M. Spiro, Daniel L. Lau
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Publication number: 20190087699Abstract: 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: ApplicationFiled: November 2, 2018Publication date: March 21, 2019Applicant: Graphiclead LLCInventors: Gonzalo R. Arce, Gonzalo Garateguy, Sean Xiaolu Wang, Daniel L. Lau
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Publication number: 20190043151Abstract: 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: ApplicationFiled: April 28, 2016Publication date: February 7, 2019Inventors: Gonzalo R. ARCE, Gonzalo J. GARATEGUY, Daniel L. LAU, Sean Xiaolu WANG
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Patent number: 10152663Abstract: 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: GrantFiled: September 8, 2016Date of Patent: December 11, 2018Assignee: Graphiclead LLCInventors: Gonzalo R. Arce, Gonzalo Garateguy, Sean Xiaolu Wang, Daniel L. Lau
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Patent number: 10151629Abstract: 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: GrantFiled: March 18, 2016Date of Patent: December 11, 2018Assignee: University Of DelawareInventors: Daniel L. Lau, Gonzalo R. Arce
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Publication number: 20180264805Abstract: 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: ApplicationFiled: February 13, 2018Publication date: September 20, 2018Inventors: Stephen S. Daniell, Steven M. Spiro, Daniel L. Lau
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Publication number: 20180247417Abstract: 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: ApplicationFiled: March 28, 2018Publication date: August 30, 2018Inventors: Christopher M. Mutti, Daniel L. Lau, John P. Coates
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Patent number: 9959628Abstract: 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: GrantFiled: November 20, 2015Date of Patent: May 1, 2018Inventors: Christopher M. Mutti, Daniel L. Lau, John P. Coates
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Publication number: 20180080822Abstract: 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: ApplicationFiled: March 18, 2016Publication date: March 22, 2018Applicants: University of Delaware, University of KentuckyInventors: Daniel L. Lau, Gonzalo R. Arce
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Patent number: 9924069Abstract: 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: GrantFiled: January 18, 2017Date of Patent: March 20, 2018Assignee: TRACER IMAGING LLCInventors: Steven M. Spiro, Stephen S. Daniell, Daniel L. Lau
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Patent number: 9919515Abstract: 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: GrantFiled: January 27, 2017Date of Patent: March 20, 2018Assignee: TRACER IMAGING LLCInventors: Stephen S. Daniell, Steven M. Spiro, Daniel L. Lau
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Publication number: 20180075570Abstract: 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: ApplicationFiled: November 17, 2017Publication date: March 15, 2018Inventors: Gonzalo R. ARCE, Gonzalo J. GARATEGUY, Daniel L. LAU
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Patent number: 9865027Abstract: 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: GrantFiled: May 1, 2015Date of Patent: January 9, 2018Assignee: GraphicLead LLCInventors: Gonzalo R. Arce, Gonzalo J. Garateguy, Daniel L. Lau
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Publication number: 20170217160Abstract: 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: ApplicationFiled: January 27, 2017Publication date: August 3, 2017Inventors: Stephen S. Daniell, Steven M. Spiro, Daniel L. Lau
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Publication number: 20170201649Abstract: 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: ApplicationFiled: January 18, 2017Publication date: July 13, 2017Inventors: Steven M. Spiro, Stephen S. Daniell, Daniel L. Lau