Patents by Inventor Pengfei WEI
Pengfei WEI 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: 20250041475Abstract: The present disclosure belongs to the field of biomedical materials, and specifically relates to a medical tissue adhesive, and a preparation method therefor and the use thereof, and a composition and a kit for preparing the medical tissue adhesive. According to the medical tissue adhesive provided by the present disclosure, a three-dimensional net-shaped gel skeleton structure is formed by means of the mutual crosslinking of a polyethylene glycol derivative L a polyethylene glycol derivative H and trilysine. Moreover, the gel skeleton has a crosslinked network density and intermolecular interaction that can be improved, and accordingly has an improved structure bonding strength and mechanical strength.Type: ApplicationFiled: October 27, 2022Publication date: February 6, 2025Inventors: Bo ZHAO, Pengfei WEI, Yiqian HUANG, Wei JING
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Publication number: 20240424167Abstract: A chimeric peptide-modified SIS membrane, a preparation method therefor and an application thereof. The chimeric peptide-modified SIS membrane is used to promote the expression of ITG-?3, ITG-?1, BMP2, RUNX2, ALP and OPN, and inhibits the growth of Streptococcus gordonii and Streptococcus sanguinis, thereby enabling the SIS membrane to exert antibacterial, osteogenic and healing-promoting biological functions. The SIS membrane (that is, a chimeric peptide-modified GBR film) can be used for clinical treatment of infectious bone defects.Type: ApplicationFiled: June 2, 2021Publication date: December 26, 2024Inventors: Pengfei WEI, Huasheng WANG, Bo ZHAO
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Publication number: 20240382653Abstract: The present disclosure relates a modified SIS membrane for tissue repair, a preparation method therefor and a use thereof. Specifically provided are a composition comprising a fusion polypeptide-modified SIS membrane and an extracellular vesicle, as well as a preparation method for and a use of the composition. It is proved that the fusion polypeptide-mediated SIS membrane and the composition containing the SIS membrane and the extracellular vesicle have excellent biological functions, and provide a broad prospect for treating bone defects or facilitating tissue healing or bone regeneration.Type: ApplicationFiled: October 20, 2021Publication date: November 21, 2024Inventors: Bo Zhao, Huasheng Wang, Pengfei Wei, Wei Jing, Zihao Liu
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Patent number: 12148122Abstract: The present invention provides a panoramic presentation method and apparatus. The present invention presents a panoramic image by using a combined structure of a single fisheye projector and a spherical screen in hardware, employs a geometrical relationship between a fisheye lens and the position of a viewer and isometric projection transformation, and enables 180° fisheye projection to present 720° environment information to the viewer in the center of the spherical screen, greatly simplifying the image conversion process and realizing zero distortion. According to a 720° panorama one-step generation method based on a single virtual camera in software, complex steps of collecting six images by a plurality of cameras, synthesizing a cube map and then converting the cube map into a panorama are not needed, the vertex position of a scene is directly adjusted in the process from a 3D space to a 2D image.Type: GrantFiled: April 26, 2022Date of Patent: November 19, 2024Assignee: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCESInventors: Qin Yang, Pengfei Wei, Liping Wang
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Publication number: 20240238477Abstract: In view of the shortcomings of low tissue adhesiveness or low tissue compliance and the problems of about low operability and inadequate convenience and portability of current tissue sealing materials, the present application provides an absorbable biological patch with self-adhesiveness, comprising a substrate layer and an adhesive coating located on the substrate layer, wherein the substrate layer is a biological material, and the adhesive coating is a succinimidyl ester group-grafted polyacrylic crosslinked copolymer, and optionally comprises a biodegradable polymer. The biological patch can be adhered firmly to the tissue surface and applied directly without extra preparation, and has good biocompatibility, has biodegradability, and can be used in common clinical scenarios such as tissue adherence, wound hemostasis, and low-pressure leakage of body fluids.Type: ApplicationFiled: September 26, 2022Publication date: July 18, 2024Inventors: Yiqian HUANG, Pengfei WEI, Wei JING, Xueqiao YU, Yan ZHANG, Bo ZHAO
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Publication number: 20240216585Abstract: In view of the problems of inadequate adhesiveness, low operability, and inadequate convenience and portability of current tissue sealing materials, the present disclosure provides a PEG bicomponent self-adhesive absorbable biological patch, comprising a substrate layer and an adhesive coating located on the substrate layer, wherein the substrate layer is a biological material, and the adhesive coating is a hydrogel formed by a bicomponent of polyethylene glycol succinimidyl ester and polyethylene glycol amine at a specific ratio. The biological patch can be adhered firmly to the tissue surface and applied directly without extra preparation, and has good biocompatibility, has biodegradability, and can be used in common clinical scenarios such as tissue adherence, wound hemostasis, and low-pressure leakage of body fluids.Type: ApplicationFiled: September 26, 2022Publication date: July 4, 2024Inventors: Bo ZHAO, Pengfei WEI, Yiqian HUANG, Wei JING, Xueqiao YU, Yan ZHANG
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Publication number: 20240211126Abstract: A human-machine interaction method, includes: determining a target controlled object corresponding to a first gesture in a first area of a touch pad in response to detecting the first gesture in the first area; determining a target control mode corresponding to a second gesture in a second area of the touch pad in response to detecting the second gesture in the second area; and controlling the target controlled object based on the target control mode.Type: ApplicationFiled: December 2, 2021Publication date: June 27, 2024Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Houqiang Zhu, Pengfei Wei
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Patent number: 11951976Abstract: A method for automated parking, a device, and a storage medium, which relate to a field of automated parking. The method for automated parking includes: determining, based on a historical location of a vehicle over a first time period, a frequented region associated with one or more candidate parking routes for the vehicle; acquiring the one or more candidate parking routes for the vehicle based on one or more historical parking routes of the vehicle in the frequented region, where the one or more historical parking routes include a driving-in route and/or a driving-out route; and providing the vehicle with the acquired one or more candidate parking routes in response to determining that the vehicle is in the frequented region, for the vehicle to drive in or drive out.Type: GrantFiled: August 17, 2022Date of Patent: April 9, 2024Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Huiling Jian, Xinjing Li, Jia Song, Pengfei Wei
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Patent number: 11913104Abstract: The present disclosure provides a short-process high-performance forming method of a high-strength aluminum alloy, and use thereof. In the present disclosure, pre-hardening treatment is conducted on an obtained W-temper aluminum alloy sheet blank after a solution treatment and quenching, to obtain a pre-hardened aluminum alloy sheet blank for batch supply. The pre-hardened aluminum alloy sheet blank is subjected to plastic forming, to obtain a component with satisfactory performances. After the pre-hardening treatment, a high-strength aluminum alloy sheet blank forms a GPII zone that is completely coherent with a matrix, and has a room-temperature formability exceeding that off traditional soft sheet blank. Moreover, the GPII zones interact with dislocations during the forming, resulting in planar slips. In this way, large-scale dynamic recovery is more effectively suppressed, thus enhancing a work hardening ability of a formed component.Type: GrantFiled: June 10, 2023Date of Patent: February 27, 2024Assignee: WUHAN UNIVERSITY OF TECHNOLOGYInventors: Zhili Hu, Pengfei Wei, Lin Hua
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Publication number: 20230416895Abstract: The present disclosure provides a short-process high-performance forming method of a high-strength aluminum alloy, and use thereof. In the present disclosure, pre-hardening treatment is conducted on an obtained W-temper aluminum alloy sheet blank after a solution treatment and quenching, to obtain a pre-hardened aluminum alloy sheet blank for batch supply. The pre-hardened aluminum alloy sheet blank is subjected to plastic forming, to obtain a component with satisfactory performances. After the pre-hardening treatment, a high-strength aluminum alloy sheet blank forms a GPII zone that is completely coherent with a matrix, and has a room-temperature formability exceeding that off traditional soft sheet blank. Moreover, the GPII zones interact with dislocations during the forming, resulting in planar slips. In this way, large-scale dynamic recovery is more effectively suppressed, thus enhancing a work hardening ability of a formed component.Type: ApplicationFiled: June 10, 2023Publication date: December 28, 2023Applicant: WUHAN UNIVERSITY OF TECHNOLOGYInventors: Zhili HU, Pengfei WEI, Lin HUA
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Patent number: 11733693Abstract: The present disclosure discloses a data acquisition method and apparatus, and relates to the field of automatic driving. A specific implementing solution is: obtaining indication information sent by a server, the indication information including: a data type to be acquired during a driving process of a vehicle and at least one acquisition condition triggering an acquisition of data; and according to the indication information, when a state of the vehicle meets any acquisition condition, acquiring first data corresponding to the data type.Type: GrantFiled: June 4, 2021Date of Patent: August 22, 2023Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Houqiang Zhu, Pengfei Wei, Jia Song, Jingang Yan
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Publication number: 20230256134Abstract: The present disclosure pertains to the field of biomedical materials, and in particular relates to a medical hydrogel, a preparation method and uses thereof, and a kit for preparing the medical hydrogel. The medical hydrogel of the present disclosure comprises a hydrogel skeleton, and a chelating agent chelated to the hydrogel skeleton; wherein the hydrogel skeleton comprises a polymer that is formed by the bonding of a polyethylene glycol derivative I having a structure shown in Formula (I) and a polyethylene glycol derivative II having a structure shown in Formula (II) and has multiple “long arms”. After tannic acid and/or citric acid as a chelating agent chelates with the hydrogel skeleton, a medical hydrogel can be obtained, which has good bacteriostatic properties, mechanical properties, adhesion properties, low swelling properties, and controllable gel formation rate and degradation rate.Type: ApplicationFiled: June 10, 2021Publication date: August 17, 2023Inventors: Bo Zhao, Pengfei WEI, Wei ZHAO, Wei JING, Leilei XIA, Yanrui ZHAO
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Patent number: 11718306Abstract: The present application discloses a method and an apparatus for acquiring sample deviation data and an electric device, which relate to the fields of artificial intelligence technology, automatic driving technology, intelligent transportation technology and deep learning technology. The specific implementation solution is: in case of acquiring the sample deviation data, a first driving behavior parameter of a vehicle and a second driving behavior parameter of the vehicle in a simulated automatic driving mode are respectively acquired in the manual driving mode; and it is determined whether there is a deviation between the first driving behavior parameter and the second driving behavior parameter, and if there is a deviation, the vehicle is controlled to acquire the sample deviation data within a preset time period.Type: GrantFiled: June 4, 2021Date of Patent: August 8, 2023Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Houqiang Zhu, Pengfei Wei, Jia Song, Jianxin Jiang, Songtao Chang
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Publication number: 20220388501Abstract: A method for automated parking, a device, and a storage medium, which relate to a field of automated parking. The method for automated parking includes: determining, based on a historical location of a vehicle over a first time period, a frequented region associated with one or more candidate parking routes for the vehicle; acquiring the one or more candidate parking routes for the vehicle based on one or more historical parking routes of the vehicle in the frequented region, where the one or more historical parking routes include a driving-in route and/or a driving-out route; and providing the vehicle with the acquired one or more candidate parking routes in response to determining that the vehicle is in the frequented region, for the vehicle to drive in or drive out.Type: ApplicationFiled: August 17, 2022Publication date: December 8, 2022Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Huiling JIAN, Xinjing LI, Jia SONG, Pengfei WEI
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Publication number: 20220363290Abstract: The present disclosure provides a method for parking a vehicle, an electronic device and a medium. The method comprises: acquiring parking environment data of a parking environment related to a vehicle and historical parking data in the parking environment; selecting, according to the parking environment data and the historical parking data, a constraint set for parking the vehicle from a plurality of constraint sets, the plurality of constraint sets corresponding to a corresponding parking risk level; and controlling the vehicle to park according to the selected constraint set.Type: ApplicationFiled: July 22, 2022Publication date: November 17, 2022Inventors: Xinjing LI, Pengfei WEI, Huiling JIAN, Jia SONG
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Patent number: 11447145Abstract: The present application discloses an abnormal data collecting method for automatic parking, an apparatus, a storage medium and a product, and relates to automatic driving technology and automatic parking technology in computer technology. A specific implementation i: in response to monitoring that a target vehicle generates a fault code during an automatic parking process, matching the fault code with at least one pre-configured fault code to be collected; in response to determining that the fault code matches the fault code to be collected, determining a data collecting strategy corresponding to the fault code to be collected; and performing a data collecting operation on abnormal data corresponding to the fault code according to the data collecting strategy.Type: GrantFiled: June 3, 2021Date of Patent: September 20, 2022Inventors: Jia Song, Houqiang Zhu, Pengfei Wei, Guiguan Bi
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Publication number: 20220253975Abstract: The present invention provides a panoramic presentation method and apparatus. The present invention presents a panoramic image by using a combined structure of a single fisheye projector and a spherical screen in hardware, employs a geometrical relationship between a fisheye lens and the position of a viewer and isometric projection transformation, and enables 180° fisheye projection to present 720° environment information to the viewer in the center of the spherical screen, greatly simplifying the image conversion process and realizing zero distortion.Type: ApplicationFiled: April 26, 2022Publication date: August 11, 2022Inventors: Qin YANG, Pengfei WEI, Liping WANG
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Patent number: 11400952Abstract: A method and an apparatus for automated driving, a device, and a computer-readable storage medium are provided. The method for automated driving includes: obtaining data associated with a parameter and an external environment of a vehicle, the data being collected according to a collection policy for a target scenario for the vehicle; generating an automated driving model for the target scenario based on the obtained data; and updating the collection policy by testing the automated driving model.Type: GrantFiled: June 9, 2021Date of Patent: August 2, 2022Assignee: Beijing Baidu Netcom Science and Technology Co., Ltd.Inventors: Houqiang Zhu, Pengfei Wei, Jia Song, Shuyi Chen
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Patent number: 11400950Abstract: The present application discloses an abnormal data collecting method for automatic parking, an apparatus, a storage medium and a product, and relates to automatic driving technology and automatic parking technology in computer technology. A specific implementation i: in response to monitoring that a target vehicle generates a fault code during an automatic parking process, matching the fault code with at least one pre-configured fault code to be collected; in response to determining that the fault code matches the fault code to be collected, determining a data collecting strategy corresponding to the fault code to be collected; and performing a data collecting operation on abnormal data corresponding to the fault code according to the data collecting strategy.Type: GrantFiled: June 3, 2021Date of Patent: August 2, 2022Inventors: Jia Song, Houqiang Zhu, Pengfei Wei, Guiguan Bi
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Publication number: 20220204010Abstract: A method and an apparatus for automated driving, a device, and a computer-readable storage medium are provided. The method for automated driving includes: obtaining data associated with a parameter and an external environment of a vehicle, the data being collected according to a collection policy for a target scenario for the vehicle; generating an automated driving model for the target scenario based on the obtained data; and updating the collection policy by testing the automated driving model.Type: ApplicationFiled: June 9, 2021Publication date: June 30, 2022Inventors: Houqiang Zhu, Pengfei Wei, Jia Song, Shuyi Chen