公开(公告)号：US20230368896A1

公开(公告)日：2023-11-16

申请号：US18183931

申请日：2023-03-14

Applicant: SOUTH CHINA NORMAL UNIVERSITY

Inventor： Qi YE ,  Lihui WEN ,  Jiawei CHEN ,  Chihua FANG

IPC: G16H30/40 ,  G06T7/10 ,  G06T3/40

CPC classification number: G16H30/40 ,  G06T7/10 ,  G06T3/4007 ,  G06T2207/20084

Abstract: The present invention provides a medical image segmentation method based on a Boosting-Unet segmentation network. By dividing training of an overall segmentation network into training of m sub segmentation networks, the method inherits convolution kernel parameters of the (k−1)th sub segmentation network during training of the kth sub segmentation network, thereby greatly decreasing the quantity of the convolution kernel parameters during every training and improving the learning ability of the network and the resistance to noise and image blur. In addition, a plurality of sub segmentation networks are arranged, so that the efficiency of the network is improved, a depth of an image data feature is also extracted, and the image data is segmented precisely, thereby improving the learning ability of the overall segmentation network to the image data feature, enhancing the robustness to noise disturbance information and further improving the performance of image segmentation.

公开(公告)号：US20220190436A1

公开(公告)日：2022-06-16

申请号：US17605430

申请日：2020-10-14

Applicant: SOUTH CHINA NORMAL UNIVERSITY

Inventor： Weishan LI ,  Yucheng WEN ,  Huiyang CHEN ,  Jiawei CHEN ,  Yitong LU ,  Yanxia CHE

IPC: H01M50/426 ,  H01M50/449 ,  H01M10/0525 ,  H01M4/133 ,  H01M4/131 ,  H01M4/583 ,  H01M4/505 ,  H01M4/525

Abstract: Provided is a method for preparing a battery separator coating material, the method comprising: dissolving PVDF and a covalent organic backbone material in an organic solvent and stirring same until uniform. The mass ratio of the PVDF to the covalent organic backbone material to N-methylpyrrolidone is 20: (70-85):(5-10). When the material is applied to preparation of a lithium ion battery separator, the problem of metal dissolution when a transition metal oxide is used as a positive electrode material can be effectively solved. The prepared separator can effectively adsorb metal ions and prevent the metal ions from being deposited on a negative electrode during charging and discharging processes, such that the cycle performance of a transition metal oxide positive electrode material is improved.