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Convolutional Neural Network 기반 실시간 자율 댄싱 로봇 시스템
조민근(Min-Geun Cho),박홍성(Hong Seong Park) 제어로봇시스템학회 2017 제어·로봇·시스템학회 논문지 Vol.23 No.5
This paper proposes a real-time autonomous dancing robot system that listens to arbitrary music inputted in real time and then can dance according to the genre of the music. The proposed system autonomously performs the whole dancing by selecting the dancing motion that matches the music genre and predicting the beat-related information for synchronization between the robot motion and the music. The proposed system updates the data of the input audio signal every 5 second using the first-in first-out method. In addition, the updated data are used as the input for both the short-term music genre classifier based on CNN (Convolutional Neural Network) and the beat detector to detect the beat interval time and the beat start time. A rule-based decision algorithm is suggested to improve the decision success rates of both the genre classifier and the bit detector and to detect the change of music genre simultaneously. Also the proposed system is verified by some examples.
확장된 기술수용모델(TAM)을 적용한 대학생들의 레저시설 앱 사용의도 분석 : 정보품질을 중심으로
이민석(Lee, Min-Seok),조민근(Cho, Min-Geun),이철원(Lee, Chul-Won) 한국체육과학회 2020 한국체육과학회지 Vol.29 No.1
The purpose of this study was to investigate university students leisure facility apps by using theory of technology acceptance model with focusing on information quality. In oder to achieve the purpose of this study, 335 questionnaires were surveyed. Frequency analysis, correlation analysis, confirmatory factor analysis and structural equation model analysis were conducted by using SPSS 24 and AMOS 20. The results of this study are as follows. First, leisure facility apps’ information quality had a significant effect on perceived usefulness, perceived ease of use and using intention. Second, perceived usefulness had effects on using intention. Third, perceived ease of use did not have significant effect on using intention. Fourth, the perceived ease of use of leisure facility applications had effects on perceived usefulness. In conclusion, information quality is important factor to increase university students’ intention to use leisure facility apps.