Patents by Inventor Xiaoyu Cheng
Xiaoyu Cheng 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: 11954905Abstract: An example system includes: a landmark detection engine to detect landmark positions of landmarks in images based on facial detection; an optical flow landmark engine to determine the landmark positions in the images based on optical flow of the landmarks between the images; a landmark difference engine to determine, for a landmark in a given image: a distance between a detected landmark position and an optical flow landmark position of the landmark; and a weighted landmark determination engine to determine, for a first and second image, a position for the landmark in the second image based on: a respective detected landmark position and a respective optical flow position of the landmark in the second image; and respective distances, determined with the landmark difference engine, between a first detected landmark position of the landmark in the first image and respective optical flow landmark positions for the first and second images.Type: GrantFiled: June 28, 2019Date of Patent: April 9, 2024Assignees: Hewlett-Packard Development Company, L.P., Purdue Research FoundationInventors: Yang Cheng, Xiaoyu Xiang, Shaoyuan Xu, Qian Lin, Jan Philip Allebach
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Publication number: 20240096491Abstract: A computer readable storage medium is provided. When contents of the computer readable storage medium are executed by a processor, multi-photon imaging may be performed on a histopathological section containing tumor environment information, and pathological partitioning of a tumor microenvironment may be further performed through image processing. A value of each collagen feature parameters, such as a morphological feature parameter, an energy feature parameter and a texture feature parameter, may be extracted from a tumor tissue region, an invasive margin (IM) region and a normal tissue (N) region. An inter-region difference and a variation may be calculated according to feature parameters of regions. A collagen feature scoring model may be established. A collagen feature score may be calculated with the collagen feature parameters input to the model.Type: ApplicationFiled: November 15, 2022Publication date: March 21, 2024Inventors: Jun YAN, Shumin DONG, Botao YAN, Weisheng CHEN, Xiaoyu DONG, Xiumin LIU, Shuhan ZHAO, Jiaxin CHENG, Yanfeng DONG, Wei JIANG, Dexin CHEN, Guoxin LI
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Publication number: 20230251250Abstract: The present disclosure relates to a microfluidic immunoassay chip and a microfluidic line immunoassay method. The microfluidic immunoassay chip includes a loading cell, a reaction and detection cell, a washing cell, an enzyme storing cell, a substrate cell, and a termination cell, and a waste liquid cell. A detection membrane strip is disposed in the reaction and detection cell and coated with a capture antigen or a capture antibody.Type: ApplicationFiled: August 20, 2021Publication date: August 10, 2023Inventors: Yanping ZHENG, Xiaoyu CHENG, Daoshun WEI, Chungen QIAN, Kunhui HU
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Publication number: 20230241614Abstract: A droplet microfluidic chip and a method for producing microdroplets are disclosed. The droplet microfluidic chip includes at least one droplet-producing unit. The droplet-producing unit includes a dispersion phase chamber, a quantitation chamber, a capillary nozzle, and a continuous phase chamber. The droplet microfluidic chip has a rotation center. The dispersion phase chamber is provided with a loading hole configured to introduce a dispersion phase liquid. The quantitation chamber is in communication with the dispersion phase chamber and further away from the rotation center than the dispersion phase chamber. The capillary nozzle is further away from the rotation center than the quantitation chamber. One end of the capillary nozzle is in communication with the quantitation chamber, and the capillary nozzle is extended from the joining end in a direction away from the rotation center.Type: ApplicationFiled: August 3, 2021Publication date: August 3, 2023Inventors: Shunji LI, Xiaoyu CHENG, Bifeng LIU, Chungen QIAN, Kunhui HU
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Patent number: 10952674Abstract: Various examples of methods, systems, and apparatus are provided for monitoring using an improved mouth guard apparatus. In one example, a battery-free diagnostic mouth guard includes a biting force-voltage transducer comprising a piezoelectric film; a compact resonance tank comprising a wireless sensor; and a transmitting antenna for transmitting sensing data. A piezo-voltage from the biting force-voltage transducer can bias a varactor diode loaded on the wireless sensor whose response frequency is tuned due to a capacitance change of the varactor diode. In some implementations, an external processing equipment can wirelessly detect a frequency shift of the varactor diode integrated resonator. In another example, a method includes detecting a biting force via a biting force-voltage transducer; biasing a varactor diode with a voltage from the transducer; tuning a response frequency of a split ring resonator using a capacitance change of the varactor diode; and emitting sensing data at the response frequency.Type: GrantFiled: May 13, 2016Date of Patent: March 23, 2021Assignee: University of Florida Research Foundation, IncorporatedInventors: Yong Kyu Yoon, Xiaoyu Cheng, Gloria Jung A. Kim
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Patent number: 10921907Abstract: An input device, such as a stylus, can include a main body comprising a main body connector for connecting to a charger to charge a power source of the stylus. A separate functional end module is removable from the main body to expose the main body connector. The functional end module includes a functional component and a module connector that communicates with the main body via the main body connector. Various different functional end modules can be interchangeable to provide a variety of distinct features to the stylus.Type: GrantFiled: August 7, 2017Date of Patent: February 16, 2021Assignee: Apple Inc.Inventors: Qiuming Li, Nicholas M. Mcdonnell, Michael J. Newman, Xiaoyu Cheng, Swapnil S. Jain, Hardik Joshi, Neeraj Gupta, Mohit Narang
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Patent number: 10517525Abstract: Various examples are provided for a smart mouth guard for diagnosis, quantification, and/or management of e.g., bruxism. In one example, among others, a diagnostic mouth guard includes a plurality of pressure sensors and processing circuitry configured to provide pressure sensor data to an external processing unit when located in an oral cavity. The diagnostic mouth guard may also include temperature, pH and/or inertia sensors. In another example, a system includes the diagnostic mouth guard and the external processing unit such as, e.g., a smart phone, table or computer. The diagnostic mouth guard can communicate with the external processing unit over a wireless channel.Type: GrantFiled: January 14, 2014Date of Patent: December 31, 2019Assignee: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.Inventors: Yong-Kyu Yoon, Xiaoyu Cheng, Gloria Jung-a Kim, Fong Wong
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Patent number: 10500022Abstract: Various methods and systems are provided for multifunctional denture systems. In one example, among others, a multifunctional oral prosthetic system includes an oral prosthetic device that may be located in an oral cavity. The oral prosthetic device includes a plurality of sensors and an internal module in communication with the plurality of sensors. The internal module is configured to provide sensor data corresponding to at least one of the plurality of sensors to an external processing unit when located in an oral cavity.Type: GrantFiled: September 27, 2012Date of Patent: December 10, 2019Assignees: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC., THE RESEARCH FOUNDATION OF STATE UNIVERSITY OF BAIRD RESEARCH PARKInventors: Yong-Kyu Yoon, Gloria J. Kim, Xiaoyu Cheng, Marc Campillo-Funollet, Carlos A. Munoz
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Patent number: 10396446Abstract: Various examples are provided for a helix antenna with dual functionality, in one embodiment, among others, a helix antenna includes a flexible substrate and a copper trace disposed on a side of the flexible substrate at a tilting angle (?). Turns of the helix antenna are formed from the copper trace by wrapping the flexible substrate. In another embodiment, a system includes a helix antenna, a radio frequency (RF) communication circuit coupled to a first end of the helix antenna, and a low frequency (LF) power transmission circuit coupled to the first end of the helix antenna. The RF communication circuit can process RF signals received by the helix antenna and the LF power transmission circuit can regulate LF voltage induced in the helix antenna.Type: GrantFiled: May 28, 2014Date of Patent: August 27, 2019Assignee: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.Inventors: Yong-Kyu Yoon, Xiaoyu Cheng, Gloria Jung-A Kim, Jiyu Wu
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Publication number: 20180153469Abstract: Various examples of methods, systems, and apparatus are provided for monitoring using an improved mouth guard apparatus. In one example, a battery-free diagnostic mouth guard includes a biting force-voltage transducer comprising a piezoelectric film; a compact resonance tank comprising a wireless sensor; and a transmitting antenna for transmitting sensing data. A piezo-voltage from the biting force-voltage transducer can bias a varactor diode loaded on the wireless sensor whose response frequency is tuned due to a capacitance change of the varactor diode. In some implementations, an external processing equipment can wirelessly detect a frequency shift of the varactor diode integrated resonator. In another example, a method includes detecting a biting force via a biting force-voltage transducer; biasing a varactor diode with a voltage from the transducer; tuning a response frequency of a split ring resonator using a capacitance change of the varactor diode; and emitting sensing data at the response frequency.Type: ApplicationFiled: May 13, 2016Publication date: June 7, 2018Inventors: YONG KYU YOON, XIAOYU CHENG, GLORIA JUNG A. KIM
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Publication number: 20180081456Abstract: An input device, such as a stylus, can include a main body comprising a main body connector for connecting to a charger to charge a power source of the stylus. A separate functional end module is removable from the main body to expose the main body connector. The functional end module includes a functional component and a module connector that communicates with the main body via the main body connector. Various different functional end modules can be interchangeable to provide a variety of distinct features to the stylus.Type: ApplicationFiled: August 7, 2017Publication date: March 22, 2018Inventors: Qiuming Li, Nicholas M. MCDONNELL, Michael J. NEWMAN, Xiaoyu CHENG, Swapnil S. JAIN, Hardik JOSHI, Neeraj GUPTA, Mohit NARANG
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Patent number: 9673527Abstract: Various systems and methods are provided for folded patch antennas. In one embodiment, among others, a folded patch antenna includes a patch disposed on an outer side of a flexible substrate and a ground plane disposed on an inner side of the flexible substrate opposite the patch. The flexible substrate is folded to form an enclosed cavity defined by the inner side of the flexible substrate. The ground plane may provide electromagnetic interference (EMI) shielding of the cavity. In another embodiment, among others, a folded patch antenna platform includes a flexible substrate, a folded patch antenna, and a transceiver mounted on the flexible substrate. The folded patch antenna includes a patch communicatively coupled to the transceiver and a ground plane, which are disposed on opposite sides of the flexible substrate.Type: GrantFiled: July 6, 2012Date of Patent: June 6, 2017Assignee: University of Florida Research Foundation, Inc.Inventors: Yong-Kyu Yoon, Gloria Jung-a Kim, Xiaoyu Cheng
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Publication number: 20160111775Abstract: Various examples are provided for a helix antenna with dual functionality, in one embodiment, among others, a helix antenna includes a flexible substrate and a copper trace disposed on a side of the flexible substrate at a tilting angle (?). Turns of the helix antenna are formed from the copper trace by wrapping the flexible substrate. In another embodiment, a system includes a helix antenna, a radio frequency (RF) communication circuit coupled to a first end of the helix antenna, and a low frequency (LF) power transmission circuit coupled to the first end of the helix antenna. The RF communication circuit can process RF signals received by the helix antenna and the LF power transmission circuit can regulate LF voltage induced in the helix antenna.Type: ApplicationFiled: May 28, 2014Publication date: April 21, 2016Inventors: YONG-KYU YOON, XIAOYU CHENG, GLORIA JUNG-A KIM, JIYU WU
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Publication number: 20150305671Abstract: Various examples are provided for a smart mouth guard for diagnosis, quantification, and/or management of e.g., bruxism. In one example, among others, a diagnostic mouth guard includes a plurality of pressure sensors and processing circuitry configured to provide pressure sensor data to an external processing unit when located in an oral cavity. The diagnostic mouth guard may also include temperature, pH and/or inertia sensors. In another example, a system includes the diagnostic mouth guard and the external processing unit such as, e.g., a smart phone, table or computer. The diagnostic mouth guard can communicate with the external processing unit over a wireless channel.Type: ApplicationFiled: January 14, 2014Publication date: October 29, 2015Inventors: Yong-Kyu Yoon, Xiaoyu Cheng, Gloria Jung-a Kim, Fong Wong
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Publication number: 20140248574Abstract: Various methods and systems are provided for multifunctional denture systems. In one example, among others, a multifunctional oral prosthetic system includes an oral prosthetic device that may be located in an oral cavity. The oral prosthetic device includes a plurality of sensors and an internal module in communication with the plurality of sensors. The internal module is configured to provide sensor data corresponding to at least one of the plurality of sensors to an external processing unit when located in an oral cavity.Type: ApplicationFiled: September 27, 2012Publication date: September 4, 2014Inventors: Yong-Kyu Yoon, Gloria J. Kim, Xiaoyu Cheng, Marc Campillo-Funollet, Carlos A. Munoz
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Publication number: 20140139385Abstract: Various systems and methods are provided for folded patch antennas. In one embodiment, among others, a folded patch antenna includes a patch disposed on an outer side of a flexible substrate and a ground plane disposed on an inner side of the flexible substrate opposite the patch. The flexible substrate is folded to form an enclosed cavity defined by the inner side of the flexible substrate. The ground plane may provide electromagnetic interference (EMI) shielding of the cavity. In another embodiment, among others, a folded patch antenna platform includes a flexible substrate, a folded patch antenna, and a transceiver mounted on the flexible substrate. The folded patch antenna includes a patch communicatively coupled to the transceiver and a ground plane, which are disposed on opposite sides of the flexible substrate.Type: ApplicationFiled: July 6, 2012Publication date: May 22, 2014Applicant: George Tech ResearchCorporationInventors: Yong-Kyu Yoon, Gloria Jung-a Kim, Xiaoyu Cheng