公开(公告)号：US12260612B2

公开(公告)日：2025-03-25

申请号：US17509615

申请日：2021-10-25

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jong Sung Kim ,  Seong Il Yang ,  Min Sung Yoon ,  Si Hwan Jang

IPC: G06V10/764 ,  G06V10/28 ,  G06V20/40

Abstract: Provided is an impact motion recognition system for screen-based multi-sport coaching. The impact motion recognition system for screen-based multi-sport coaching includes: a high-speed stereo camera device installed on an upper end of a target object including a hitting body and an moving body and configured to acquire a stereo image sequence in which the hitting body and the moving body are photographed; an object detection unit configured to detect an object in the acquired stereo image sequence; a moving body recognition unit configured to identify whether an impact motion has occurred in the detected object to recognize the moving body; a hitting body detection unit configured to, based on the moving body being recognized through the moving body recognition unit, detect the object excluding the moving body as the hitting body; a target object tracking unit configured to continuously detect a center point of the moving body and a feature point of the hitting body in a subsequent stereo image sequence using characteristics of the moving body and the hitting body that are detected, and continuously track the center point of the moving body and the feature point of the hitting body until the center point of the moving body and the feature point of the hitting body are not detected; and a motion analysis unit configured to analyze three-dimensional (3D) motion information of the target object using the center point of the moving body and the feature point of the hitting body, which are detected through the target object tracking unit, and high-speed stereo camera correction data.

公开(公告)号：US11874764B2

公开(公告)日：2024-01-16

申请号：US17554579

申请日：2021-12-17

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Si Hwan Jang ,  Chan Sub Kim ,  Seong Il Yang

IPC: G06F11/36 ,  G06N5/043

CPC classification number: G06F11/3692 ,  G06F11/366 ,  G06N5/043

Abstract: A method of guaranteeing game quality by using an artificial intelligence (AI) agent is provided. The method includes extracting an item list (hereinafter referred to as an inspection item list) for inspecting quality of a target game, extracting and storing log data corresponding to a test performance result for each item of the inspection item list, performing imitation learning of an AI agent model on the basis of the stored log data, performing an automatic test for inspecting quality of the target game by using the AI agent model on which the imitation learning is completed, and automatically recording a bug and an error detected by the AI agent model.

公开(公告)号：US10709989B2

公开(公告)日：2020-07-14

申请号：US16151561

申请日：2018-10-04

Applicant: Electronics and Telecommunications Research Institute

Inventor： Si Hwan Jang ,  Seong Il Yang ,  Hyung Keun Jee

IPC: A63F13/00 ,  A63F13/79 ,  A63F13/77

Abstract: Disclosed is an apparatus for analyzing a game update effect according to a change in a gamer action sequence, the apparatus including: a gamer action information collector configured to collect action information of a gamer from a game operating server that provides a gamer terminal with a game and stores the action information of the gamer therein; a gamer action information sequence identifier configured to detect an action sequence of the gamer from the collected action information of the gamer; and an update result analyzer configured to analyze an consequence on behavior of the gamer with respect to an update of a game service by comparing action sequences of the gamer detected through the gamer action information sequence identifier on the basis of a time point of the update of the game service.