Patents by Inventor Xueli Wang
Xueli Wang 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: 20240144556Abstract: Embodiments of the present application provide a computed tomography imaging method and apparatus. The method includes pre-scanning an examined site by using an incomplete detector at a pitch factor of greater than 3 to obtain first data, axially scanning the examined site using the incomplete detector to obtain second data, stitching the first data and the second data to obtain third data; compensating the third data to obtain compensated third data, and performing image reconstruction by using the compensated third data to obtain a scanned image. Therefore, by performing two scans using an incomplete detector, stitching and compensating data obtained by the two scans, while reducing the total dose of X-rays, the integrity of the obtained data is ensured, and the image quality of the final obtained scanned image is maintained.Type: ApplicationFiled: October 27, 2023Publication date: May 2, 2024Inventors: Weiwei Xing, Xueli Wang, Bingjie Zhao
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Publication number: 20240104802Abstract: Embodiments of the present application provide a medical image processing method and apparatus and a medical device, the medical image processing apparatus including an acquisition unit, configured to acquire raw local projection data obtained by a detector after an object to be examined is scanned, a processing unit, configured to recover the raw local projection data to estimate first global data, a determination unit, configured to determine second global data according to the raw local projection data and the first global data, and a reconstruction unit, configured to reconstruct the second global data to obtain a diagnostic image.Type: ApplicationFiled: September 26, 2023Publication date: March 28, 2024Inventors: Bingjie Zhao, Weiwei Xing, Xueli Wang
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Publication number: 20240085090Abstract: The automatic door opening and closing device includes: a housing having a mounting space formed therein; and a pushing and rotating assembly provided in the mounting space and having a push rod controlled to be telescopic and a guide rod which extends outwards from the mounting space and is controlled to be movable; wherein the push rod is configured to push open a door of the refrigerator when controlled to extend, and the guide rod is configured to drive the door of the refrigerator to rotate after the push rod pushes open the door of the refrigerator. By integrating the push rod and the guide rod in the mounting space inside the housing.Type: ApplicationFiled: October 29, 2021Publication date: March 14, 2024Inventors: JIANLIN MIAO, YIHAO XU, XUELI CHENG, MING WANG
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Patent number: 11685868Abstract: A catalytic cracking gasoline upgrading method is provided. First, in the presence of a prehydrogenation catalyst, the full-range FCC gasoline undergoes prehydrogenation in a prehydrogenation reactor to remove diolefins, mercaptans and sulfides, and then the prehydrogenation product undergoes selective hydrodesulfurization in the presence of a hydrodesulfurization-isomerization catalyst, and straight-chain olefins are isomerized into single-branched olefins or single-branched alkanes, thus obtaining a low-olefin, ultralow-sulfur and high-octane clean gasoline product.Type: GrantFiled: December 26, 2020Date of Patent: June 27, 2023Assignee: SOUTHEAST UNIVERSITYInventors: Tinghai Wang, Yuanyuan Yue, Xiaojun Bao, Xueli Wang, Jie Liu, Pei Yuan, Haibo Zhu, Zhengshuai Bai
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Patent number: 11674091Abstract: A catalytic cracking gasoline prehydrogenation method is provided. Thiol etherification and double bond isomerization reactions are carried out on catalytic cracking gasoline through a prehydrogenation reactor. The reaction conditions are as follows: the reaction temperature is between 80° C. and 160° C., the reaction pressure is between 1 MPa and 5 MPa, the liquid-volume hourly space velocity is from 1 to 10 h?1, and the hydrogen-oil volume ratio is (3-8):1; a prehydrogenation catalyst comprises a carrier and active ingredients, the carrier contains an aluminium oxide composite carrier with a macroporous structure and one or more of ZSM-5, ZSM-11, ZSM-12, ZSM-35, mordenite, amorphous form aluminum silicon, SAPO-11, MCM-22, a Y molecular sieve and a beta molecular sieve, the surface of the carrier is loaded with one or more of the active ingredients cobalt, molybdenum, nickel and tungsten; based on oxides, the content of the active ingredients is between 0.1% and 15.5%.Type: GrantFiled: December 24, 2020Date of Patent: June 13, 2023Assignee: FUZHOU UNIVERSITYInventors: Tinghai Wang, Xiaojun Bao, Yuanyuan Yue, Xueli Wang, Jie Liu, Haibo Zhu, Pei Yuan, Zhengshuai Bai
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Publication number: 20230077083Abstract: Described herein are an imaging system and method. Specifically, the imaging system includes a positioning image acquisition unit configured to acquire positioning images of a scanned object from a plurality of angles, a contour estimation unit configured to estimate a contour of the object in each positioning image in a scanning direction when truncation is present in at least one positioning image, and a display field of view determination unit configured to select a maximum value of an estimated contour as a display field of view of the image. A contour of a scanned object in each positioning image in a scanning direction is estimated when truncation is present in at least one positioning image, thereby determining a suitable display field of view. An appropriate display field of view can be set, so that a reconstructed image can cover the entire contour of the object and have a higher resolution.Type: ApplicationFiled: September 7, 2022Publication date: March 9, 2023Inventors: Ximiao Cao, Bingjie Zhao, Xueli Wang, Jiang Hsieh
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Publication number: 20230045035Abstract: An atrial shunt regulation device, a braid tool and a braid method thereof. The left disk (1) and the right disk (2) of the atrial shunt regulation device are connected via the intermediate portion (3) as a single piece, and the left disk (1), the intermediate portion (3) and the right disk (2) are braided by a single braid wire (10). The ends of the braid wires are secured by one nut in the single-braid method, which reduces the number and size of the nuts and easily forms a cortical layer. The braid tool for braiding an atrial shunt regulation device comprises a cylinder braid body mold (20), the cylindrical braid body mold (20) includes positioning pins (21) that are evenly connected to an outer wall of the braid body mold. The braid method of the atrial shunt regulation device comprises braiding, thermoforming, braiding a binding-off wire, securing ends of wires by a nut, and thermoforming again.Type: ApplicationFiled: September 11, 2019Publication date: February 9, 2023Inventors: Song CHEN, Xueli WANG, Changdong ZHANG, Ming SUN, Tao ZHU, Liang MAO
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Publication number: 20220383491Abstract: Embodiments of the present application provide a tissue boundary determination apparatus and method. The tissue boundary determination method includes acquiring multiple slice images of multiple positions of a tissue to be examined, determining, with regard to at least one first selected slice image of the multiple slice images, a tissue boundary on the first selected slice image, and determining, according to the tissue boundary on the first selected slice image, tissue boundaries on a predetermined number of other slice images adjacent to the first selected slice image. Therefore, an accurate tissue (such as malignant tumor) boundary may be acquired efficiently so as to provide a reference basis for analysis on internal and external tissue of a tumor.Type: ApplicationFiled: May 23, 2022Publication date: December 1, 2022Inventors: Yan Sun, Xueli Wang, Mingyang Yang, Bingjie Zhao
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Patent number: 11461940Abstract: The present application provides an imaging method and system, and a non-transitory computer-readable storage medium. The imaging method comprises preprocessing projection data to obtain a predicted image of a truncated portion; performing forward projection on the predicted image to obtain predicted projection data of the truncated portion; and performing image reconstruction using the projection data obtained by forward projection and projection data of an untruncated portion.Type: GrantFiled: May 4, 2020Date of Patent: October 4, 2022Assignee: GE Precision Healthcare LLCInventors: Xueli Wang, Ximiao Cao, Bingjie Zhao, Weiwei Xing
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Patent number: 11380026Abstract: The present application provides a method and device for obtaining a predicted image of a truncated portion, an imaging method and system, and a non-transitory computer-readable storage medium. The method for obtaining a predicted image of a truncated portion comprises preprocessing projection data to obtain, by reconstruction, an initial image of the truncated portion; and calibrating the initial image based on a trained learning network to obtain the predicted image of the truncated portion.Type: GrantFiled: May 5, 2020Date of Patent: July 5, 2022Assignee: GE Precision Healthcare LLCInventors: Xueli Wang, Bingjie Zhao, Shiyu Li, Dan Liu
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Publication number: 20210122986Abstract: The invention relates to a catalytic cracking gasoline prehydrogenation method. Thiol etherification and double bond isomerization reactions are carried out on catalytic cracking gasoline through a prehydrogenation reactor. The reaction conditions are as follows: the reaction temperature is between 80° C. and 160° C., the reaction pressure is between 1 MPa and 5 MPa, the liquid-volume hourly space velocity is from 1 to 10 h?1, and the hydrogen-oil volume ratio is (3-8):1; a prehydrogenation catalyst comprises a carrier and active ingredients, the carrier contains an aluminium oxide composite carrier with a macroporous structure and one or more of ZSM-5, ZSM-11, ZSM-12, ZSM-35, mordenite, amorphous form aluminum silicon, SAPO-11, MCM-22, a Y molecular sieve and a beta molecular sieve, the surface of the carrier is loaded with one or more of the active ingredients cobalt, molybdenum, nickel and tungsten; based on oxides, the content of the active ingredients is between 0.1% and 15.5%.Type: ApplicationFiled: December 24, 2020Publication date: April 29, 2021Applicant: FUZHOU UNIVERSITYInventors: Tinghai WANG, Xiaojun BAO, Yuanyuan YUE, Xueli WANG, Jie LIU, Haibo ZHU, Pei YUAN, Zhengshuai BAI
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Publication number: 20210115343Abstract: The invention relates to a catalytic cracking gasoline upgrading method. First, in the presence of a prehydrogenation catalyst, the full-range FCC gasoline undergoes prehydrogenation in a prehydrogenation reactor to remove diolefins, mercaptans and sulfides, and then the prehydrogenation product undergoes selective hydrodesulfurization in the presence of a hydrodesulfurization-isomerization catalyst, and straight-chain olefins are isomerized into single-branched olefins or single-branched alkanes, thus obtaining a low-olefin, ultralow-sulfur and high-octane clean gasoline product.Type: ApplicationFiled: December 26, 2020Publication date: April 22, 2021Applicant: FUZHOU UNIVERSITYInventors: Tinghai WANG, Yuanyuan YUE, Xiaojun BAO, Xueli WANG, Jie LIU, Pei YUAN, Haibo ZHU, Zhengshuai BAI
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Patent number: 10977485Abstract: Embodiments of the present invention provide a method for processing a radiotherapy CT positioning image, comprising: defining a pixel having a CT value greater than or equal to a first threshold in an original CT image as a human body pixel; counting a number of human body pixels of each pixel row in the original CT image in an order from top to bottom; and determining a boundary of the human body according to the counting result.Type: GrantFiled: December 11, 2018Date of Patent: April 13, 2021Assignee: General Electric CompanyInventors: Xueli Wang, Hongyu Li, Weiwei Xing
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Patent number: 10950015Abstract: The present invention provides a medical image processing method and a computer-readable storage medium. The method includes: reconstructing a two-dimensional cross-sectional image of an imaged tissue based on a volumetric image of the imaged tissue; projecting a CT value of the imaged tissue along a normal direction of the centerline of the imaged tissue in the two-dimensional cross-sectional image; and, positioning the imaged tissue based on the projection result of the CT value of the imaged tissue.Type: GrantFiled: March 15, 2019Date of Patent: March 16, 2021Assignee: General Electric CompanyInventors: Bo Guo, Gang Fang, Xueli Wang
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Publication number: 20200357151Abstract: The present application provides an imaging method and system, and a non-transitory computer-readable storage medium. The imaging method comprises preprocessing projection data to obtain a predicted image of a truncated portion; performing forward projection on the predicted image to obtain predicted projection data of the truncated portion; and performing image reconstruction using the projection data obtained by forward projection and projection data of an untruncated portion.Type: ApplicationFiled: May 4, 2020Publication date: November 12, 2020Inventors: Xueli WANG, Ximiao CAO, Bingjie ZHAO, Weiwei XING
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Publication number: 20200357150Abstract: The present application provides a method and device for obtaining a predicted image of a truncated portion, an imaging method and system, and a non-transitory computer-readable storage medium. The method for obtaining a predicted image of a truncated portion comprises preprocessing projection data to obtain, by reconstruction, an initial image of the truncated portion; and calibrating the initial image based on a trained learning network to obtain the predicted image of the truncated portion.Type: ApplicationFiled: May 5, 2020Publication date: November 12, 2020Inventors: Xueli WANG, Bingjie ZHAO, Shiyu LI, Dan LIU
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Patent number: 10600159Abstract: The present invention provides an apparatus and a method for enhancing spatial resolution of a CT image and a CT imaging system, the method comprising: acquiring an original CT projection curve; performing deconvolution for projection data on the original CT projection curve in a tube sampling direction or a texture direction of the original CT projection curve; and reconstructing an image according to the projection data after deconvolution.Type: GrantFiled: December 21, 2017Date of Patent: March 24, 2020Assignee: General Electric CompanyInventors: Ximiao Cao, Xueli Wang, Chen Li
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Publication number: 20190287278Abstract: The present invention provides a medical image processing method and a computer-readable storage medium. The method includes: reconstructing a two-dimensional cross-sectional image of an imaged tissue based on a volumetric image of the imaged tissue; projecting a CT value of the imaged tissue along a normal direction of the centerline of the imaged tissue in the two-dimensional cross-sectional image; and, positioning the imaged tissue based on the projection result of the CT value of the imaged tissue.Type: ApplicationFiled: March 15, 2019Publication date: September 19, 2019Inventors: Bo Guo, Gang Fang, Xueli Wang
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Publication number: 20190188461Abstract: Embodiments of the present invention provide a method for processing a radiotherapy CT positioning image, comprising: defining a pixel having a CT value greater than or equal to a first threshold in an original CT image as a human body pixel; counting a number of human body pixels of each pixel row in the original CT image in an order from top to bottom; and determining a boundary of the human body according to the counting result.Type: ApplicationFiled: December 11, 2018Publication date: June 20, 2019Inventors: Xueli Wang, Hongyu Li, Weiwei Xing
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Publication number: 20190147630Abstract: Embodiments of the present invention provide a medical imaging method, computer program and computer storage medium, the medical imaging method comprising: reconstructing collected raw image data to a first image having a first matrix size; transforming the first image to a second image having a second matrix size, the second matrix size being smaller than the first matrix size; and displaying the second image.Type: ApplicationFiled: October 31, 2018Publication date: May 16, 2019Inventors: Xueli Wang, Ximiao Cao, Shiyu Li