Patents by Inventor HE CAI
HE CAI 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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Publication number: 20240161307Abstract: Methods and systems for estimating fluid flow characteristics are provided. In one embodiment, a method is provided that includes receiving a plurality of images of fluid flow at a plurality of times. The images may be analyzed with a machine learning model to predict one or more physical characteristics of the fluid flow, such as a velocity field, a pressure field, and/or a stress field. A loss measure may be calculated for the physical characteristics based on physical fluid flow constraints, boundary condition constraints, and/or data mismatch constraints. The machine learning model may be updated based on the loss value.Type: ApplicationFiled: March 17, 2022Publication date: May 16, 2024Inventors: Ming Dao, Subra Suresh, George Karniadakis, Shengze Cai, He Li
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Publication number: 20240107092Abstract: A video playing method and apparatus are described that implement an adaptively varied playing speed, and meet a playing setting of a user, thereby improving viewing experience of the user in a video played at an adaptively varied speed. The method includes obtaining a first playing speed and obtaining first information. The first information includes image information of a video and/or voice information of the video. The method further includes playing the video at a second playing speed that is obtained based on the first playing speed and the first information.Type: ApplicationFiled: November 28, 2023Publication date: March 28, 2024Inventors: Xuelian Zhang, Yan Zhuang, Jia Cai, Shaohua Tang, Xiaolong Wang, He Wei
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Publication number: 20240081785Abstract: The present disclosure provides to process intravascular ultrasound (IVUS) images to identify key frames such as the proximal key frame, a distal key frame, and a minimal key frame from the IVUS images based on the raw lumen area, vessel area, and plaque burden. Ones of the key frames can be re-identified based on manipulation of other ones of the key frames.Type: ApplicationFiled: September 13, 2023Publication date: March 14, 2024Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Haruka Imura, Judith Tiferes Wang, Wenguang Li, Erik Stephen Freed, Jennifer Gibbs, Anming He Cai
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Patent number: 11728575Abstract: The present application discloses a VICTS antenna based on an RGW structure, comprising an RGW feeding layer and a radiation layer arranged in sequence, wherein the RGW feeding layer comprises an RGW power splitter and a dielectric substrate for slow wave design, and the RGW power splitter is arranged under the dielectric substrate, wherein a power splitting network cover plate is arranged between the RGW feeding layer and the radiation layer, wherein the RGW power splitter comprises a feeding network and a waveguide feeding port, through which signals are input into the feeding network; the radiation layer is composed of a plurality of CTS arrays. During signal transmission, the signals are input into the feeding network through the waveguide port, and then the signals are fed into each CTS array by the feeding network; the radiation layer is configured to rotate.Type: GrantFiled: February 7, 2023Date of Patent: August 15, 2023Assignee: Chengdu Guoheng Space Technology Engineering Co., Ltd.Inventors: Zhongchao Luo, Tianrui Zheng, Renbing Huang, He Cai, Ran Mo, Fawen Rong, Zhiqing Wang
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Publication number: 20230233178Abstract: Methods include capturing intravascular ultrasound images. A drive motor is used to actively drive an ultrasound transducer at a set rotation speed. A temporary sensing window is created in which the ultrasound transducer is driven with a fixed drive signal. A plurality of signals from are received the ultrasound transducer during the temporary sensing window.Type: ApplicationFiled: January 26, 2023Publication date: July 27, 2023Applicant: Boston Scientific Scimed, Inc.Inventors: Corydon Carlson, Wenguang Li, Anming He Cai, Michael William Hansen, Timothy G. Curran
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Publication number: 20230157672Abstract: Methods including methods for processing intravascular ultrasound images are disclosed. An example method may include collecting one or more ultrasound images of a blood vessel and segmenting the ultrasound images with a processor. Segmenting may include identifying one or more of a lumen border of the blood vessel and a media border for media within the blood vessel.Type: ApplicationFiled: March 1, 2022Publication date: May 25, 2023Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: ANMING HE CAI, WENGUANG LI
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Publication number: 20230112017Abstract: Systems and methods for automatic lesion assessment and/or processing imaging data are disclosed. An example intravascular imaging system may include a catheter including an imaging device. A processor may be coupled to the catheter. The processor may be configured to process imaging data received from the imaging device. The processor may be configured to generate a longitudinal section view of a blood vessel from the imaging data received from the imaging device. The processor may be configured to identify a minimum lumen area along the longitudinal section view of the blood vessel, a distal reference point, and a proximal reference. A display unit may be coupled to the processor. The display unit may be configured to show a display including the longitudinal section view of the blood vessel.Type: ApplicationFiled: October 5, 2022Publication date: April 13, 2023Applicant: Boston Scientific Scimed, Inc.Inventors: Erik Stephen Freed, Anming He Cai, Matthew R. Huston, Jennifer Gibbs, Jessica D. Morlock, Heather Drury, Wenguang Li
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Publication number: 20230056254Abstract: Intravascular imaging systems and methods for making and using intravascular imaging devices are disclosed. An example intravascular imaging device may comprise a catheter including an imaging device. A processor may be coupled to the catheter. The processor may be configured to process image data received from the imaging device. The processor may be configured to generate a calcium map. The calcium map may include an indicator of calcium depth to a vessel lumen surface, calcium distance to a center of the catheter, or both. A display unit may be coupled to the processor. The display unit may be configured to show a display including the calcium map.Type: ApplicationFiled: August 17, 2022Publication date: February 23, 2023Applicant: Boston Scientific Scimed, Inc.Inventor: Anming He Cai
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Publication number: 20220234198Abstract: A method for controlling vibration of flexible mechanical arms based on cooperative tracking is disclosed, including: building a dynamic model of the flexible mechanical arm, according to a dynamic characteristic, constructing a flexible mechanical arm group made up of a plurality of flexible mechanical arms, assigning one of the plurality of flexible mechanical arms as a leader and the rest ones as followers which are required to track the leader's motion trajectory so as to realize cooperative work; designing cooperative control-based boundary controllers in combination with a Lyapunov method to realize cooperative work and suppress vibration of the flexible mechanical arms; and constructing a Lyapunov function using Lyapunov direct method to validate stability of the flexible mechanical arms under the control.Type: ApplicationFiled: March 12, 2021Publication date: July 28, 2022Applicants: SOUTH CHINA UNIVERSITY OF TECHNOLOGY, GUANGZHOU INSTITUTE OF MODERN INDUSTRIAL TECHNOLOGYInventors: Yu LIU, He CAI, Huanli GAO
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Publication number: 20220226114Abstract: A balloon valvuloplasty catheter may include an elongate shaft having a guidewire lumen and a device lumen extending longitudinally therein, an expandable balloon secured to a distal portion of the elongate shaft, and an intravascular ultrasound catheter slidably disposed within the device lumen. The device lumen is in fluid communication with an interior of the expandable balloon. A method of preparing a native aortic heart valve of a patient's heart for transcatheter aortic valve replacement may include using the balloon valvuloplasty to observe via intravascular ultrasound and evaluate a position of the native leaflets relative to the left and right coronary artery ostia to determine if the native leaflets block the left coronary artery ostium and/or the right coronary artery ostium when the expandable balloon is inflated.Type: ApplicationFiled: January 4, 2022Publication date: July 21, 2022Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Dongming Hou, Tim O'Connor, Wenguang Li, Anming He Cai
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Patent number: 11227116Abstract: A translation device includes: a controller that extracts a proper noun candidate from an original sentence, generates a translation word of the proper noun candidate in a second language, generates a second translated sentence by translating the original sentence into the second language based on the proper noun candidate and the translation word of the proper noun candidate, and generates a second reverse-translated sentence by translating the second translated sentence into the first language based on the proper noun candidate and the translation word of the proper noun candidate; a display that displays the first reverse-translated sentence and the second reverse-translated sentence; and an operation unit that receives a user operation of selecting one of the first reverse-translated sentence and the second reverse-translated sentence.Type: GrantFiled: June 4, 2020Date of Patent: January 18, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: He Cai
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Patent number: 10872207Abstract: A translation device includes an input unit configured to receive an input sentence in an original language, a controller configured to generate a first translation sentence obtained by translation of the input sentence into a first language, and a display. The controller generates a second translation sentence obtained by translation of the input sentence into a second language different from the first language, a first reverse translation sentence obtained by reverse translation of the first translation sentence into the original language, and a second reverse translation sentence obtained by reverse translation of the second translation sentence into the original language.Type: GrantFiled: December 18, 2018Date of Patent: December 22, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tetsuji Mochida, He Cai
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Publication number: 20200302124Abstract: A translation device includes: a controller that extracts a proper noun candidate from an original sentence, generates a translation word of the proper noun candidate in a second language, generates a second translated sentence by translating the original sentence into the second language based on the proper noun candidate and the translation word of the proper noun candidate, and generates a second reverse-translated sentence by translating the second translated sentence into the first language based on the proper noun candidate and the translation word of the proper noun candidate; a display that displays the first reverse-translated sentence and the second reverse-translated sentence; and an operation unit that receives a user operation of selecting one of the first reverse-translated sentence and the second reverse-translated sentence.Type: ApplicationFiled: June 4, 2020Publication date: September 24, 2020Inventor: HE CAI
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Publication number: 20200121291Abstract: A method for real-time displaying of cross-sectional images during an intravascular ultrasound (IVUS) imaging procedure includes, during an intravascular ultrasound imaging procedure, receiving electrical signals from at least one transducer in a catheter as the at least one transducer rotates and moves longitudinally along a lumen of a patient blood vessel; during the intravascular ultrasound imaging procedure, processing the received electrical signals to form a series of cross-sectional images that are longitudinally-offset from one another along a length of the lumen; during the intravascular ultrasound imaging procedure, concurrently displaying i) a most recent image and ii) a previous image that is either a) selected by the operator or b) automatically selected as having a maximum or minimum of a selected image characteristic; and, during the intravascular ultrasound imaging procedure, updating the display of the most recent image as a new image from the series of cross-sectional images is processed.Type: ApplicationFiled: December 17, 2019Publication date: April 23, 2020Inventors: Anming He Cai, Wenguang Li, Lewis J. Thomas, III
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Patent number: 10561401Abstract: A method for real-time displaying of cross-sectional images during an intravascular ultrasound (IVUS) imaging procedure includes, during an intravascular ultrasound imaging procedure, receiving electrical signals from at least one transducer in a catheter as the at least one transducer rotates and moves longitudinally along a lumen of a patient blood vessel; during the intravascular ultrasound imaging procedure, processing the received electrical signals to form a series of cross-sectional images that are longitudinally-offset from one another along a length of the lumen; during the intravascular ultrasound imaging procedure, concurrently displaying i) a most recent image and ii) a previous image that is either a) selected by the operator or b) automatically selected as having a maximum or minimum of a selected image characteristic; and, during the intravascular ultrasound imaging procedure, updating the display of the most recent image as a new image from the series of cross-sectional images is processed.Type: GrantFiled: September 11, 2014Date of Patent: February 18, 2020Assignee: Boston Scientific SciMed, Inc.Inventors: Anming He Cai, Wenguang Li, Lewis Jones Thomas, III
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Publication number: 20190213261Abstract: A translation device includes an input unit configured to receive an input sentence in an original language, a controller configured to generate a first translation sentence obtained by translation of the input sentence into a first language, and a display. The controller generates a second translation sentence obtained by translation of the input sentence into a second language different from the first language, a first reverse translation sentence obtained by reverse translation of the first translation sentence into the original language, and a second reverse translation sentence obtained by reverse translation of the second translation sentence into the original language.Type: ApplicationFiled: December 18, 2018Publication date: July 11, 2019Inventors: TETSUJI MOCHIDA, HE CAI
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Patent number: 10258315Abstract: A method for generating an ultrasound image includes receiving an image frame comprising consecutive ultrasound scan lines obtained using a rotating ultrasound imaging arrangement and determining at least a first cross-correlation value and a second cross-correlation value for each of a plurality of the scan lines. For each individual scan line of the plurality of scan lines, the first cross-correlation value comprises a cross-correlation coefficient between a first subframe comprising a plurality of consecutive scan lines including the individual scan line and a second subframe comprising a plurality of scan lines shifted from the first subframe by a first integer value. The second correlation value comprising a cross-correlation coefficient between the first subframe and a third subframe comprising a plurality scan lines shifted from the first subframe by a second integer value that is different from the first integer value.Type: GrantFiled: February 13, 2015Date of Patent: April 16, 2019Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventor: Anming He Cai
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Patent number: 9603584Abstract: A method for generating a composite image using an intravascular imaging device includes receiving reflected echo signals from at least one transducer along a first of a plurality of radial scan lines. The received echo signals are passed through a plurality of signal processing channels to form a plurality of filtered signals. The filtered signals include a high-resolution tissue structure signal and at least one first pre-blood-flow-mask signal. High-resolution tissue structure signals are processed to form a high-resolution tissue structural image. First pre-blood-flow-mask signals are cross-correlated with second pre-blood-flow-mask signals from an adjacent radial scan line to form blood-flow-mask signals. Blood-flow-mask signals are processed to form a blood-flow mask.Type: GrantFiled: November 12, 2013Date of Patent: March 28, 2017Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventor: Anming He Cai
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Patent number: D932677Type: GrantFiled: January 27, 2021Date of Patent: October 5, 2021Assignee: Melunar IncInventor: He Cai
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Patent number: D938083Type: GrantFiled: February 17, 2021Date of Patent: December 7, 2021Assignee: Melunar IncInventor: He Cai