-
11.
公开(公告)号:US20190053786A1
公开(公告)日:2019-02-21
申请号:US16167060
申请日:2018-10-22
Applicant: Shenzhen Institutes of Advanced Technology
Inventor: Weibao QIU , Peitian MU , Hairong ZHENG
Abstract: A delayed excitation ultrasonic imaging method includes: generating a regulating clock, and performing, according to the regulating clock, delayed excitation on an ultrasonic transducer once or multiple times; performing data collection on an ultrasonic echo signal of the ultrasonic transducer and signals after each time of performing delayed excitation; synthesizing and superimposing data collected to obtain high sampling rate data; and performing ultrasonic imaging according to the high sampling rate data. A delayed excitation ultrasonic imaging apparatus and system are also provided. By performing delayed excitation on the ultrasonic transducer, the high-frequency ultrasonic imaging is realized by low-frequency sampling and delayed excitation, which can greatly reduce the cost of the ultrasonic imaging system.
-
12.
公开(公告)号:US20230314377A1
公开(公告)日:2023-10-05
申请号:US18332697
申请日:2023-06-09
Inventor: Long MENG , Wei ZHOU , Hairong ZHENG , Lili NIU , Zhengrong LIN , Benxian PENG , Farooq UMAR , Yingjian CUI
CPC classification number: G01N29/022 , H03H9/25 , H03H9/02574 , H03H3/10
Abstract: The present invention discloses a real-time ultrasonic stimulation electric signal recording chip and a preparation method thereof, where the preparation method includes the following steps: S1 manufacturing an interdigital electrode on a piezoelectric substrate to obtain a surface acoustic wave chip, and manufacturing a recording electrode and an electrode lead; S2, manufacturing an insulation protection layer on the chip obtained in the S1, and processing the insulation protection layer to form the recording electrode, so as to obtain a chip combining the interdigital electrode and the recording electrode; S3, preparing a PDMS cavity; and S4, bonding the PDMS cavity prepared in the S3 and the chip obtained in the S2. In the present invention, combining the interdigital electrode generating a surface acoustic wave ultrasound with a multi-channel recording electrode, such that real-time recording of a multi-channel electric signal under ultrasonic stimulation is achieved.
-
公开(公告)号:US20230238857A1
公开(公告)日:2023-07-27
申请号:US17611808
申请日:2021-03-23
Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES , NATIONAL INSTITUTE OF ADVANCED MEDICAL DEVICES, SHENZHEN
Inventor: Tianfu SUN , Hairong ZHENG , Jianing LIANG , Linghui LONG , Fucheng JIANG , Huiyun LI , Liwen WAN , Long LI
Abstract: The present application disclosed a magnetic levitation system, and the magnetic levitation system includes a stator, a rotor, and a magnetic coupling mechanism; the stator includes a stator winding mechanism for controlling the rotor to move away from or close to the axis direction of the stator. The magnetic coupling mechanism includes magnetic sources, and the magnetic coupling mechanism is magnetically coupled with the rotor through the magnetic sources to drive the rotor to rotate around the axis direction of the stator. The magnetic levitation system decouples the magnetic circuit that drives the rotor to move from the magnetic circuit that drives the rotor to rotate, so as to reduce control difficulty, enhance stability, and reduce torque fluctuations.
-
公开(公告)号:US20230031910A1
公开(公告)日:2023-02-02
申请号:US17284794
申请日:2020-12-09
Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
Inventor: Dong LIANG , Zhanli HU , Hairong ZHENG , Xin LIU , Qingneng LI , Yongfeng YANG
Abstract: An apriori guidance network for multitask medical image synthesis is provided. The apriori guidance network includes a generator and a discriminator, wherein the generator includes an apriori guidance module configured to convert an input feature map into a target modal image pointing to a target domain according to an apriori feature, and the apriori feature is a deep feature of the target modal image. The generator is configured to generate a corresponding target domain image by taking the apriori feature of the target modal image and source modal image data as an input. The discriminator is configured to discriminate an authenticity of the target domain image outputted by the generator.
-
公开(公告)号:US20220283325A1
公开(公告)日:2022-09-08
申请号:US17824453
申请日:2022-05-25
Inventor: Zhanli HU , Yongfeng YANG , Chunhui ZHANG , Zhonghua KUANG , Xiaohui WANG , San WU , Dong LIANG , Xin LIU , Hairong ZHENG
Abstract: A method for processing positron emission tomography data is provided, this method includes: obtaining a first coordinate and a second coordinate respectively corresponding to two ends of a response line to be processed; determining corresponding dimensional coordinates of the response line to be processed in a sinogram based on the first coordinate and the second coordinate; and generating the sinogram corresponding to the response line to be processed based on the dimensional coordinates. According to this method, the amount of calculation of system matrix is reduced, the accuracy of position information of the generated response line is improved, and the accuracy of generated sinogram is improved accordingly.
-
公开(公告)号:US20210333344A1
公开(公告)日:2021-10-28
申请号:US16624478
申请日:2019-09-17
Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
Inventor: Dong LIANG , Jing CHENG , Haifeng WANG , Hairong ZHENG , Xin LIU
Abstract: Disclosed are a magnetic-resonance imaging method, apparatus and system, and a storage medium. The method includes acquiring an initial model of magnetic-resonance imaging and establishing an initial imaging model according to an iterative algorithm used for solving the initial model, where the iterative algorithm includes at least one of an undetermined parameter, an undetermined solving operator or an undetermined structural relationship; training the initial imaging model on the basis of sample data to generate a magnetic-resonance imaging model, where training of the initial imaging model is used for learning the at least one of the undetermined parameter, the undetermined solving operator or the undetermined structural relationship in the iterative algorithm; and acquiring under-sampled K-space data to be processed, inputting the under-sampled K-space data into the magnetic-resonance imaging model, and generating a magnetic-resonance image.
-
17.
公开(公告)号:US20200320704A1
公开(公告)日:2020-10-08
申请号:US16910074
申请日:2020-06-24
Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
Inventor: Hairong ZHENG , Xin LIU , Na ZHANG , Zhanli HU , Dong LIANG , Yongfeng YANG
Abstract: A method of processing plaques in magnetic resonance imaging of vessel wall include: step S101, training a generative adversarial network and a capsule neural network to obtain a trained generator network and a trained capsule neural network; and step S102, cascade-connecting the trained generator network with the capsule neural network into a system to recognize and classify plaques in magnetic resonance imaging of vessel wall. In one aspect, the capsule neural network has more abundant vascular plaques characteristic information represented by vector; in another aspect, when the trained generator network and the capsule neural network are cascaded into the system to recognize and classify the plaques in magnetic resonance imaging of vessel wall, an accuracy of recognition and classification may be greatly improved. A device for processing the method as well as a computer for implementing are also disclosed.
-
18.
公开(公告)号:US20180369815A1
公开(公告)日:2018-12-27
申请号:US15742491
申请日:2015-10-10
Inventor: Hairong ZHENG , Fwi LI , Felyan CAI , Long MENG , Chen WANG , Chengxiang ZHANG , Weibao QIU , Yongchuan LI , Fei YAN , Lili NIU , Liufeng GENG , Chaowei XU
CPC classification number: B01L3/502761 , B01L3/502715 , B01L3/50273 , B01L3/502792 , B01L2200/0647 , B01L2200/0652 , B01L2300/06 , B01L2300/08 , B01L2300/0809 , B01L2400/0436 , B01L2400/0439 , B01L2400/0496 , C12N13/00 , G01N2015/0038 , G01N2015/1006
Abstract: Disclosed is a microfluidic system based on an artificially structured acoustic field, comprising a microcavity and a ultrasonic emission device, wherein the microcavity is used to accommodate a solution containing particles, the ultrasonic emission device is used to emit ultrasound, and characterized in further comprising a phononic crystal plate placed in the microcavity, wherein the phononic crystal plate has an artificial cycle structure, and is used to modulate the acoustic field so as to control the particles. Also disclosed is a method of controlling microfluid particles based on an artificially structured acoustic field. In the particular embodiments, since a microcavity, an ultrasonic emission device and a phononic crystal plate are comprised, the ultrasonic emission device is used to emit ultrasound, and the phononic crystal plate has an artificial cycle structure, and is used to modulate the acoustic field so as to control the particles. The method provides a new means for drug delivery, and offers technical support for drug research and development.
-
19.
公开(公告)号:US20250148746A1
公开(公告)日:2025-05-08
申请号:US19019221
申请日:2025-01-13
Inventor: Hao PENG , Chao ZOU , Chuanli CHENG , Xin LIU , Hairong ZHENG
Abstract: The present disclosure discloses a chemical shift coded imaging method based on a transition region and regional iterative phasor extraction. Acquiring an initial image, and determining an initial phasor solution of the transition region based on the initial image; performing regional iterative phasor extraction in at least two set directions by taking the initial phasor solution as initial information, and obtaining a target phasor solution based on a regional iterative phasor extraction result corresponding to each set direction; and determining a first chemical composition signal and a second chemical composition signal based on the target phasor solution, and performing chemical shift coded imaging based on the first chemical composition signal and/or the second chemical composition signal. By means of regional iterative phasor extraction in a plurality of dimensions, wrong phasor information is transferred independently along different dimensions, wrong information transferred in different directions is excluded.
-
公开(公告)号:US20230293914A1
公开(公告)日:2023-09-21
申请号:US18325982
申请日:2023-05-30
Inventor: Hairong ZHENG , Wei ZHOU , Long MENG , Lili NIU , Zhengrong LIN , Xiaowei HUANG , Junjie ZOU
CPC classification number: A61N7/00 , A61B8/54 , A61N2007/0026
Abstract: The present application provides an ultrasonic wake-up system. The system includes an ultrasonic imaging device, an ultrasound stimulation device, and an ultrasound stimulation effect evaluation device, and acquires an ultrasonic image of a target object through the ultrasonic imaging device, transmits an ultrasound to the target object based on the ultrasonic image through the ultrasound stimulation device, and adjusts the transmitted ultrasound required through the ultrasound stimulation effect evaluation device. Therefore, peripheral nerves are accurately stimulated, an uplink reticular wake-up system is activated, so as to wake up patients with disorders of consciousness.
-
-
-
-
-
-
-
-
-