公开(公告)号：US20230364678A1

公开(公告)日：2023-11-16

申请号：US18245303

申请日：2021-08-31

Applicant: LG ELECTRONICS INC. ,  RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY

Inventor： Byungsung KIM ,  Seongsoo LEE ,  Inhwan LEE ,  Dongmok WHANG

IPC: B22F9/22 ,  B22F1/054 ,  C22C1/04 ,  C22C30/02

CPC classification number: B22F9/22 ,  B22F1/054 ,  C22C1/04 ,  C22C30/02 ,  B22F2203/11 ,  B22F2998/10 ,  B22F2304/058 ,  B22F2304/056

Abstract: An alloy powder preparation method according to an embodiment comprises the steps of: forming a mixture by mixing a plurality of metal compounds; and thermally treating the mixture, wherein, in the step of thermally treating the mixture, the process temperature changes according to the particle diameter of alloy powder. In addition, the step of thermally treating the mixture proceeds through hydrogen reduction at a process temperature of 300 to 700° C.

公开(公告)号：US20150304549A1

公开(公告)日：2015-10-22

申请号：US14649645

申请日：2012-12-04

Applicant: LG ELECTRONICS INC.

Inventor： Jungho LEE ,  Jeongsuk YOON ,  Seongsoo LEE ,  Jeonghwan HWANG ,  Shounan AN ,  Wonkeun YANG ,  Jinho SOHN ,  Seungmin BAEK

IPC: H04N5/232 ,  G06K9/00 ,  H04N5/247

CPC classification number: H04N5/23219 ,  G06K9/00228 ,  G06K9/00248 ,  G06K9/00281 ,  G06K9/00302 ,  G06K9/00308 ,  H04N5/2258 ,  H04N5/23222 ,  H04N5/23293 ,  H04N5/247

Abstract: An image photographing device for photographing images through a front camera and a rear camera, according to one embodiment of the present invention, comprises: a display unit; a feature extraction unit for extracting facial features from an image of a user's face which is displayed on a preview screen through the rear camera; a structure extraction unit for extracting the structure of the user's face by using the extracted facial features; an expression extraction unit for extracting the facial expression of the user by using the extracted facial features if the extracted structure of the face matches a standard facial structure; and an notification unit for outputting a photograph notification signal if the extracted facial expression of the user matches a standard facial expression.

Abstract translation: 根据本发明的一个实施例的用于通过前置照相机和后置照相机拍摄图像的图像拍摄装置包括：显示单元; 特征提取单元，用于从通过后置摄像机在预览屏幕上显示的用户脸部的图像中提取面部特征; 结构提取单元，用于通过使用所提取的面部特征来提取用户脸部的结构; 表达提取单元，如果所提取的脸部结构与标准面部结构相匹配，则通过使用所提取的面部特征来提取用户的面部表情; 以及通知单元，用于如果所提取的用户的表情符合标准的面部表情，则输出照片通知信号。