Processing

Please wait...

Settings

Settings

Goto Application

1. WO2021027254 - MODEL PARAMETER DETERMINATION METHOD AND APPARATUS, AND ELECTRONIC DEVICE

Publication Number WO/2021/027254
Publication Date 18.02.2021
International Application No. PCT/CN2020/071432
International Filing Date 10.01.2020
IPC
G06F 21/62 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
60Protecting data
62Protecting access to data via a platform, e.g. using keys or access control rules
CPC
G06F 17/16
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
17Digital computing or data processing equipment or methods, specially adapted for specific functions
10Complex mathematical operations
16Matrix or vector computation ; , e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
G06F 21/6245
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
60Protecting data
62Protecting access to data via a platform, e.g. using keys or access control rules
6218to a system of files or objects, e.g. local or distributed file system or database
6245Protecting personal data, e.g. for financial or medical purposes
G06F 2221/2107
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2221Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
2107File encryption
Applicants
  • 创新先进技术有限公司 ADVANCED NEW TECHNOLOGIES CO., LTD.
Inventors
  • 周亚顺 ZHOU, Yashun
  • 李漓春 LI, Lichun
  • 殷山 YIN, Shan
  • 王华忠 WANG, Huazhong
Agents
  • 北京博思佳知识产权代理有限公司 BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION
Priority Data
201910734775.409.08.2019CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) MODEL PARAMETER DETERMINATION METHOD AND APPARATUS, AND ELECTRONIC DEVICE
(FR) PROCÉDÉ ET APPAREIL DE DÉTERMINATION DE PARAMÈTRE DE MODÈLE ET DISPOSITIF ÉLECTRONIQUE
(ZH) 模型参数确定方法、装置和电子设备
Abstract
(EN)
A model parameter determination method and apparatus, and an electronic device. The method comprises: secretly sharing a Hessian matrix with a partner according to feature data and the share of an excitation function value to obtain the share of the Hessian matrix; secretly sharing a first inverse matrix with the partner according to the share of the Hessian matrix to obtain the share of the first inverse matrix, the first inverse matrix being an inverse matrix of the Hessian matrix; and secretly sharing new model parameters with the partner according to the share of original model parameters, the share of the first inverse matrix and the share of a loss function gradient to obtain the share of the new model parameters.
(FR)
L'invention concerne un procédé et un appareil de détermination de paramètre de modèle et un dispositif électronique. Le procédé consiste à : partager secrètement une matrice hessienne avec un partenaire en fonction de données de caractéristiques et la part d'une valeur de fonction d'excitation pour obtenir la part de la matrice hessienne ; partager secrètement une première matrice inverse avec le partenaire en fonction de la part de la matrice hessienne pour obtenir la part de la première matrice inverse, la première matrice inverse étant une matrice inverse de la matrice hessienne ; et partager secrètement de nouveaux paramètres de modèle avec le partenaire en fonction de la part de paramètres de modèle d'origine, de la part de la première matrice inverse et de la part d'un gradient de fonction de perte pour obtenir la part des nouveaux paramètres de modèle.
(ZH)
一种模型参数确定方法、装置和电子设备。所述方法包括:根据特征数据和激励函数取值的份额与合作方秘密分享海森矩阵,得到海森矩阵的份额;根据海森矩阵的份额与合作方秘密分享第一逆矩阵,得到第一逆矩阵的份额,所述第一逆矩阵为海森矩阵的逆矩阵;根据原始模型参数的份额、第一逆矩阵的份额和损失函数梯度的份额与合作方秘密分享新的模型参数,得到新的模型参数的份额。
Also published as
Latest bibliographic data on file with the International Bureau