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차량용 인포테인먼트 시스템의 딥 러닝 기반 UI 테스팅 자동화 기술
조민근 한국정보과학회 2019 정보과학회 컴퓨팅의 실제 논문지 Vol.25 No.2
Lately, the functions included in the in-vehicle infotainment system (IVI) have diversified and their roles and importance greatly increased due to the development of telematics, connected cars, and autonomous vehicle technology. the complexity of the user interface (UI) responsible for the interaction between IVI and the user, and the need for a UI testing technique for a UI. In this paper, we propose a UI testing technology using a deep learning model that recognizes objects from the IVI screen, and describe a case where it is applied to IVI automation testing tool VISTA. 최근 텔레메틱스(Telematics), 커넥티드 카(Connected Car), 자율 주행 자동차 기술의 발전으로 인해 차량용 인포테인먼트 시스템(In-Vehicle Infotainment, IVI)에 포함되는 기능이 다양화되고 역할과 중요도가 크게 높아지고 있다. 이에 따라 IVI와 사용자 간의 상호작용을 담당하는 사용자 인터페이스(User Interface, UI)의 복잡성이 증가되고 있으며, 높은 품질의 UI 개발을 위한 UI 테스팅 기술의 필요성 또한 증대되었다. 본 논문에서는 IVI의 화면으로부터 객체를 인식하는 딥 러닝 모델을 이용한 UI 테스팅 자동화 기술을 제안하고, IVI 자동화 테스팅 도구 VISTA에 적용시킨 사례에 대해 기술한다.
EdgeCPS를 활용한 사용자 인증 및 임무 자동화를 통한 드론 배송 시스템 개선
조민근,백민기,최으뜸,고동범,강성주,이성진,MinGuen Cho,MinKi Beak,EuTeum Choi,DongBeom Ko,SungJoo Kang,SeongJin Lee 대한임베디드공학회 2023 대한임베디드공학회논문지 Vol.18 No.4
Currently, various companies are actively participating in research and development of drone delivery services. Existing studies do not comprehensively provide integrated functions for future drone delivery services such as mission automation, customer verification, and overcoming performance limitations, which can lead to high manpower demand, reduced user service trust, and potentially overloading low-end devices. Therefore, this study proposes a drone mission automation system (DMAS) using EdgeCPS technology to provide the three aforementioned functions in an integrated manner. Real-world experiments were conducted to evaluate the proposed system, demonstrating that the DMAS components operate according to the specified roles in the delivery scenario. In addition, the system achieved user verification with a similarity of more than 90% in the process of receiving the product, and verified a faster inference speed and a lower resource share than the existing method.
조민근,김형순,이명철,김태훈 한국자료분석학회 2010 Journal of the Korean Data Analysis Society Vol.12 No.4
The firms which do not perform social responsibilities appropriately cause social as well as economic problems for major stakeholders including investors. Therefore, the concern over the social responsibility of the firms has been rapidly increasing, and the importance of a new type of investing, socially responsible investing(SRI), has emerged. This study examines the financial characteristics of the firms by comparing financial ratios of the domestic firms which are included in SRI funds and indexes with firms which are not included. The empirical results indicate that EPS growth rate, PBR, and sales growth rate are highly significant, and that retention rate are rather significant. However, other variables are not significant. One of the limitations of this study is that non-financial variables, which are very important for SRI, are not considered in this study, and a future study is necessary to investigate the relationship between the performance of the firm and non-financial variables. 기업이 사회적 책임을 다하지 않았을 때 투자자 등의 이해관계자들에게 경제적 피해뿐만 아니라 사회적 파장을 일으키고 있다. 이러한 결과로써, 기업의 사회적 책임에 대한 관심이 급속히 증가하고 있으며, 사회책임투자(socially responsible investing; SRI)라는 새로운 형태의 투자 움직임이 나타나게 되었다. 본 연구의 목적은 국내의 주요 SRI 펀드와 SRI 지수에 중복 편입된 기업들의 재무적 지표를 편입되지 않은 기업들과 비교하여 재무적인 측면에서 어떠한 특성이 있는가를 분석하는데 있다. 분석 결과, Valuation 지표에서는 EPS 성장률과 PBR 지표가, 성장성 지표에서는 매출액 성장률이 매우 유의한 결과로 나타났으며, 안전성 지표에 있어서는 유보율이 다소 중요한 것으로 나타났다. 그 외의 지표들은 크게 유효하지 않았다. 본 연구의 한계점은 사회적 책임투자의 본질인 비재무적 요소를 고려하지 않고 재무적 자료만을 이용하여 SRI 기업의 특성을 밝히려고 한 점이며, 향후 많은 연구에서 비재무적 요소가 SRI 기업들의 성과와 얼마나 밀접한 연관관계가 있는가를 밝혀내야 할 것이다.
친수형 도시공원의 장소성 형성을 위한 공간콘텐츠 연구 - 3.15 해양누리공원을 중심으로 -
조민근,이병훈 한국문화융합학회 2022 문화와 융합 Vol.44 No.12
The purpose of this study is to present the direction of the composition of spatial content in 3.15 Ocean Nuri Park. Through previous studies, water-friendly urban parks and placeness were systematically reviewed, and nine factors for forming placeness were derived. As a study method, case analysis and spatial content factor analysis of overseas water-friendly urban parks were conducted, focusing on the factors of placeness formation, and the study results are as follows. First, in order to revitalize the 3.15 Ocean Nuri Park, it is necessary to focus on the cultural environment, revitalization of the cultural community, and urban identity. Second, for a cultural environment capable of performing multiple functions, it is necessary to establish phased cultural facilities, improve water quality, solve noise problems, and secure visibility. Third, in order to revitalize the cultural community, it is necessary to expand community-linked activities and organize professional organizations. Fourth, in order to reflect urban identity, it is necessary to develop spatial content with spatial connection, historical exchange activities, and long-term persistence in the temporal context. Through this study, it was found that the placeness of water-friendly urban parks was activated with the frame of space-local culture-human-placeness.