公开(公告)号：US20230033666A1

公开(公告)日：2023-02-02

申请号：US17953356

申请日：2022-09-27

Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY

Inventor： HAIRONG ZHENG ,  XIN LIU ,  NA ZHANG ,  ZHANLI HU ,  DONG LIANG ,  YONGFENG YANG ,  QI YANG

IPC: G06T11/00 ,  G06V10/776 ,  G06V10/774 ,  G06V10/77 ,  G06V10/82 ,  G06V10/40 ,  G06V10/764

Abstract: A medical image noise reduction method, system, terminal and storage medium are disclosed. The method includes: obtaining a standard-dose PET image and a. constant-value image; inputting the standard-dose PET image and the constant-value image into a decay function to obtain a corresponding low-dose noisy PET image and a noisy constant-value image, respectively; assembling the low-dose noisy PET image and the noisy constant-value image in a width dimension or a height dimension, and then inputting into a trained conjugate generative adversarial network, and outputting a denoised PET image and constant-value image output by the conjugate generative adversarial network.

公开(公告)号：US20250137909A1

公开(公告)日：2025-05-01

申请号：US19004464

申请日：2024-12-30

Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES

Inventor： LONG MENG ,  WEI ZHOU ,  HAIRONG ZHENG ,  LILI NIU ,  BENXIAN PENG

IPC: G01N15/149 ,  G01N15/10 ,  G01N15/14 ,  G01N15/1404

Abstract: A cellular mechanical property measurement and sorting method comprises: cells to be sorted being arranged in a straight line after passing through a standing wave acoustic field generated by a first interdigital transducer; the cells flowing through a focused acoustic field generated by a second interdigital transducer, and the focused acoustic field generating a radiation force on the cells, such that the cells are deformed; performing calculation according to information of the radiation force and deformation, so as to obtain elastic moduli of the cells; determining the positions of the cells, and selectively driving, with designed delay time, interdigital transducers in a cell sorting unit according to the moving speeds of the cells and the distances between the cells and the sorting unit, and triggering, according to the elastic moduli, a corresponding interdigital transducer to generate a planar acoustic field, so as to sort the cells.

公开(公告)号：US20230152400A1

公开(公告)日：2023-05-18

申请号：US17992868

申请日：2022-11-22

Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY CHINESE ACADEMY OF SCIENCES

Inventor： HAIRONG ZHENG ,  QIAOYAN CHEN ,  YE LI ,  CHAO LUO ,  XIN LIU

IPC: G01R33/3875 ,  A61B5/055

CPC classification number: G01R33/3875 ,  A61B5/055

Abstract: A shimming method and device, an electronic device, and a storage medium are disclosed. The shimming method includes: obtaining object static magnetic field distribution information corresponding to a target object, the object static magnetic field distribution information including the static magnetic field distribution information of the target object under the action of a main magnet of a magnetic resonance system; determining a target static magnetic field based on the object static magnetic field distribution information and a preset shim coil magnetic field distribution model; and adjusting at least one shim coil parameter in the shim coil magnetic field distribution model until a magnetic field uniformity of the target static magnetic field satisfies a preset condition, and accordingly obtaining at least one target shim coil parameter.

公开(公告)号：US20230151313A1

公开(公告)日：2023-05-18

申请号：US18098701

申请日：2023-01-19

Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY

Inventor： HAIRONG ZHENG ,  Long Meng ,  Weixing Chen ,  Lili Niu ,  Xiaoyu Cui

IPC: C12M1/42 ,  G06N3/045 ,  G06T7/20

CPC classification number: C12M1/42 ,  G06N3/045 ,  G06T7/20

Abstract: A biological sample sorting method, a surface acoustic wave microfluidic chip, a system, a terminal, and a storage medium are disclosed. The method includes: injecting a mixed solution containing biological samples into a surface acoustic wave microfluidic chip, and applying a first sinusoidal signal thereto forming a standing wave sound field therein to aggregate the biological samples; collecting images of the aggregated biological samples; performing moving target identification and tracking on the images of the biological samples using a deep learning model, performing cluster analysis and classification on a tracked moving target to obtain a target sample, and generating a delay enabling signal of the target sample according to a moving speed of the target sample; and applying a second sinusoidal signal to the surface acoustic wave microfluidic chip according to the delay enable signal to move the target sample thus sorting out the target sample.

公开(公告)号：US20200310002A1

公开(公告)日：2020-10-01

申请号：US16902225

申请日：2020-06-15

Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY

Inventor： HAIRONG ZHENG ,  XIANGXIANG XIA ,  FEIYAN CAI ,  MANZHU KE ,  HUI ZHOU ,  FEI LI ,  DI XU ,  YONGCHUAN LI

IPC: G02B3/00

Abstract: A planar lens (100) and a manufacturing method for a planar lens (100) relate to the technical field of lenses, the planar lens (100) being a focusing lens and comprising an acoustic soft material tangible structure (110) and a cover layer (120), the acoustic soft material tangible structure (110) comprises a plurality of combination lenses (130) located in the same plane, each combination lens (130) comprises a circular part (131) and a plurality of concentric annular parts (132) which are continuously arranged around the circular part (131), the thicknesses of each two adjacent annular parts (132) in each combination lens (130) are different, and the thickness of each annular part (132) is related to the focal length of the respective combination lens (130); and the cover layer (120) covers the outer surface of the acoustic soft material tangible structure (110) to form the planar lens (100).