Patents by Inventor A. John Alcock
A. John Alcock 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: 11386284Abstract: A method and system for processing images for a search is provided, including: receiving a plurality of images selected from search results; for each image in the plurality of images, retrieving a feature vector associated with the image; selecting a subset of the feature vectors based on similarity of feature vectors associated with the images in the plurality of images; and performing a search for feature vectors in a database similar to the feature vectors in the subset of feature vectors.Type: GrantFiled: September 11, 2019Date of Patent: July 12, 2022Assignee: AVIGILON CORPORATIONInventors: Nicholas John Alcock, Dharanish Kedarisetti, Peter L. Venetianer
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Patent number: 11037571Abstract: Techniques for notification are presented. The techniques may include detecting a natural language phrase concerning an event at a geographic location in speech broadcast by a radio system, determining at least one search criteria from the natural language phrase, searching video surveillance data based on the at least one search criteria, such that search results are obtained, forming computer generated speech corresponding to the search results, and delivering the computer generated speech audibly.Type: GrantFiled: October 4, 2019Date of Patent: June 15, 2021Assignee: MOTOROLA SOLUTIONS, INC.Inventors: Nicholas John Alcock, Justin Alexander Byfield, Kurt Russell Grossnickle, Liam Alexander Scholte, Zachary Aaron Weingarten
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Publication number: 20210104247Abstract: Techniques for notification are presented. The techniques may include detecting a natural language phrase concerning an event at a geographic location in speech broadcast by a radio system, determining at least one search criteria from the natural language phrase, searching video surveillance data based on the at least one search criteria, such that search results are obtained, forming computer generated speech corresponding to the search results, and delivering the computer generated speech audibly.Type: ApplicationFiled: October 4, 2019Publication date: April 8, 2021Applicant: MOTOROLA SOLUTIONS, INC.Inventors: Nicholas John ALCOCK, Justin Alexander BYFIELD, Kurt Russell GROSSNICKLE, Liam Alexander SCHOLTE, Zachary Aaron WEINGARTEN
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Patent number: 10891509Abstract: There are described methods and systems for facilitating identification of an object-of-interest. A face similarity score and a body similarity score of a query image relative to a gallery image are determined. A fused similarity score of the query image relative to the gallery image is determined by applying a relationship between the face similarity score, the body similarity score, and the fused similarity score. The fused similarity score is indicative of whether or not the object-of-interest and the potential object-of-interest are the same object-of-interest. For example, a machine learning process is used to fuse the face similarity score and the body similarity into the fused similarity score. The process is repeated for multiple gallery images. The gallery images may then be ranked according to their respective fused similarity scores.Type: GrantFiled: October 26, 2018Date of Patent: January 12, 2021Assignee: Avigilon CorporationInventors: Moussa Doumbouya, Lu He, Yanyan Hu, Mahesh Saptharishi, Hao Zhang, Nicholas John Alcock, Roger David Donaldson, Seyedmostafa Azizabadifarahani, Ken Jessen
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Patent number: 10846554Abstract: Methods, systems, and techniques for performing a hash-based appearance search. A processor is used to obtain a hash vector that represents a search subject that is depicted in an image. The hash vector includes one or more hashes as a respective one or more components of the hash vector. The processor determines which one or more of the hashes satisfy a threshold criterion and which one or more of the components of the hash vector qualify as a scoring component. The one or more components that qualify correspond to a respective one or more hashes that satisfy the threshold criterion and that are represented in a scoring database that is generated based on different examples of a search target. The processor determines a score representing a similarity of the search subject to the different examples of the search target.Type: GrantFiled: July 17, 2018Date of Patent: November 24, 2020Assignee: Avigilon CorporationInventors: Nicholas John Alcock, Seyedmostafa Azizabadifarahani, Alexander Chau, Roger David Donaldson
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Publication number: 20200082212Abstract: A method and system for processing images for a search is provided, including: receiving a plurality of images selected from search results; for each image in the plurality of images, retrieving a feature vector associated with the image; selecting a subset of the feature vectors based on similarity of feature vectors associated with the images in the plurality of images; and performing a search for feature vectors in a database similar to the feature vectors in the subset of feature vectors.Type: ApplicationFiled: September 11, 2019Publication date: March 12, 2020Applicant: Avigilon CorpoationInventors: Nicholas John Alcock, Dharanish Kedarisetti, Peter L. Venetianer
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Publication number: 20200026949Abstract: Methods, systems, and techniques for performing a hash-based appearance search. A processor is used to obtain a hash vector that represents a search subject that is depicted in an image. The hash vector includes one or more hashes as a respective one or more components of the hash vector. The processor determines which one or more of the hashes satisfy a threshold criterion and which one or more of the components of the hash vector qualify as a scoring component. The one or more components that qualify correspond to a respective one or more hashes that satisfy the threshold criterion and that are represented in a scoring database that is generated based on different examples of a search target. The processor determines a score representing a similarity of the search subject to the different examples of the search target.Type: ApplicationFiled: July 17, 2018Publication date: January 23, 2020Applicant: Avigilon CorporationInventors: Nicholas John ALCOCK, Seyedmostafa AZIZABADIFARAHANI, Alexander CHAU, Roger David DONALDSON
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Publication number: 20190130202Abstract: There are described methods and systems for facilitating identification of an object-of-interest. A face similarity score and a body similarity score of a query image relative to a gallery image are determined. A fused similarity score of the query image relative to the gallery image is determined by applying a relationship between the face similarity score, the body similarity score, and the fused similarity score. The fused similarity score is indicative of whether or not the object-of-interest and the potential object-of-interest are the same object-of-interest. For example, a machine learning process is used to fuse the face similarity score and the body similarity into the fused similarity score. The process is repeated for multiple gallery images. The gallery images may then be ranked according to their respective fused similarity scores.Type: ApplicationFiled: October 26, 2018Publication date: May 2, 2019Applicant: Avigilon CorporationInventors: Moussa DOUMBOUYA, Lu HE, Yanyan HU, Mahesh SAPTHARISHI, Hao ZHANG, Nicholas John ALCOCK, Roger David DONALDSON, Seyedmostafa AZIZABADIFARAHANI, Ken JESSEN
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Patent number: 8225300Abstract: A device receives a program that includes one of a parallel construct or a distributed construct, creates a target component from the program, and integrates the target component into a target environment to produce a client program that is executable on multiple heterogeneous server platforms.Type: GrantFiled: July 29, 2008Date of Patent: July 17, 2012Assignee: The Mathworks, Inc.Inventors: Peter Hartwell Webb, Loren Dean, Anthony Paul Astolfi, Jocelyn Luke Martin, Richard John Alcock, James T. Stewart
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Patent number: 5901162Abstract: A mode-locking device for a laser operating at a defined wavelength, has a substrate, transparent to the defined wavelength, with a front side for receiving, incident radiation and a back side. An anti-reflection coating is formed on the front side to minimize reflection loss at the defined wavelength. A quantum well structure is arranged on the back side. A high reflectance structure is arranged behind the quantum well structure in such a way that an electric field peak in the incident radiation lies coincides with that of the quantum well structure. This device offers a more reliable and less costly approach for the production of non-linear mirrors since the layers of the dielectric stack do not have to be formed by epitaxial deposition.Type: GrantFiled: April 8, 1997Date of Patent: May 4, 1999Assignee: National Research Council of CanadaInventors: Alfred John Alcock, Brian T. Sullivan
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Patent number: 4609876Abstract: Laser pulse generation techniques are disclosed in which two competing non-linear processes, e.g. stimulated Brillouin scattering and laser-induced breakdown are employed in combination to generate a short laser pulse. Narrow linewidth UV radiation amplified to the millijoule level in a XeCl discharge module has been used to generate pulses of less than 200 picoseconds in duration.Type: GrantFiled: April 26, 1984Date of Patent: September 2, 1986Assignee: Canadian Patents and Development LimitedInventors: Orson L. Bourne, A. John Alcock
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Patent number: 4490651Abstract: The laser-triggered high voltage rail gap switch includes two parallel electrodes in a high pressure environment of SF.sub.6 and Ar. A pulsed UV laser directs a coherent beam parallel to the electrodes to initiate multichannel breakdown in the gap between the electrodes. This breakdown is enhanced by including an organic additive such as fluorobenzene or tri-n-propylamine in the gas mixture.Type: GrantFiled: December 7, 1982Date of Patent: December 25, 1984Assignee: Canadian Patents & Development LimitedInventors: Roderick S. Taylor, Kurt E. Leopold, A. John Alcock
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Patent number: 4484106Abstract: The UV radiation triggered rail-gap switch applies a high voltage from a low impedance source to a low impedance load. The switch includes first and second parallel elongated electrodes spaced to form a uniform gap along their length. The first electrode is adapted to be connected to the high voltage source, while the second electrode is adapted to be connected to the low impedance load. When a voltage from the source is applied to the electrodes, one electrode will be positive relative to the other electrode. In addition, the cross-section of each of the electrodes is sufficiently smooth to prevent points of high field concentration between the electrode. This cross-section is defined by the field enhancement factor of each electrode which is preferably less than 1.5. The switch also includes an enclosure in which the electrodes are located and which contains a gas mixture for maintaining the breakdown threshold between the electrodes. A preferred gas mixture includes Ar, N.sub.2, and SF.sub.Type: GrantFiled: September 10, 1982Date of Patent: November 20, 1984Assignee: Canadian Patents & Development LimitedInventors: Roderick S. Taylor, Kurt E. Leopold, A. John Alcock
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Patent number: 4401920Abstract: The laser-triggered high voltage rail gap switch includes two parallel electrodes in a high pressure environment of SF.sub.6 and Ar. A pulsed UV laser directs a coherent beam parallel to the electrodes to initiate multichannel breakdown in the gap between the electrodes. This breakdown occurs at a fixed time delay after the laser pulse. This breakdown is enhanced by including an organic additive such as fluorobenzene or tri-n-propylamine in the gas mixture.Type: GrantFiled: May 11, 1981Date of Patent: August 30, 1983Assignee: Canadian Patents & Development LimitedInventors: Roderick S. Taylor, Kurt E. Leopold, A. John Alcock
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Patent number: 4190811Abstract: A method and apparatus for switching an infrared radiation signal laser beam in which a semiconductor, capable of transmitting the signal beam without damage, is provided and upon which the signal beam is incident at an angle which may preferably be Brewster's angle. The surface of the semiconductor is irradiated by a second laser beam which has a sufficiently high frequency to produce free carriers in the semiconductor and which has a sufficient radiation intensity and time duration to produce a free carrier density greater than the critical density for the signal beam resulting in substantially total reflection of the signal beam from the semiconductor surface. In particular, a pulsed CO.sub.2 laser beam which is incident on a polycrystalline n-type germanium semiconductor is reflected by irradiating the semiconductor with a pulsed ruby or Nd:glass laser beam.Type: GrantFiled: November 11, 1977Date of Patent: February 26, 1980Assignee: Canadian Patents and Development LimitedInventors: A. John Alcock, Paul B. Corkum, Douglas J. James