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모바일 Deep Residual Network 을 이용한 뎁스 영상 기반 1 인칭 시점 VR 손동작 인식
박혜민 ( Hye Min Park ),박나현 ( Na Hyeon Park ),오지헌 ( Ji Heon Oh ),이철우 ( Cheol Woo Lee ),최형우 ( Hyoung Woo Choi ),김태성 ( Tae-seong Kim ) 한국정보처리학회 2019 한국정보처리학회 학술대회논문집 Vol.26 No.2
가상현실 (Virtual Reality, VR), 증강현실 (Augmented Reality, AR), 혼합현실 (Mixed Reality, MR) 분야에 유용한 인간 컴퓨터 인터페이스 기술은 필수적이다. 특히 휴먼 손동작 인식 기술은 직관적인 상호 작용을 가능하게 하여, 다양한 분야에서 편리한 컨트롤러로 사용할 수 있다. 본 연구에서는 뎁스 영상 기반의 1 인칭 시점 손동작 인식을 위하여 손동작 데이터베이스 생성 시스템을 구축하여, 손 동작 인식기 학습에 필요한 1 인칭 (Egocentric View Point) 데이터베이스를 촬영하여 제작한다. 그리고 모바일 Head Mounted Device(HMD) VR 을 위한 뎁스 영상 기반 1 인칭 시점 손동작 인식 (Hand Pose Recognition, HPR) 딥러닝 Deep Residual Network 를 구현한다. 최종적으로, 안드로이드 모바일 디바이스에 학습된 Residual Network Regressor 를 이식하고 모바일 VR에 실시간 손동작 인식 시스템을 구동하여, 모바일 VR 상 실시간 3D 손동작 인식을 가상 물체와의 상호작용을 통하여 확인 한다.
Diamond-Like Carbon 코팅을 이용한 금속 장식 용구의 칼라링 및 디자인연구
변건호,김형준,최형우,권도현 한국공예학회 2001 조형디자인연구 Vol.4 No.2
The usual methods of coloring metal ornaments include surface anodizing, plating and painting. However, the anodizing method can apply to AL materials only and the plating method has been causing a severe environmental problem because of the toxicity of materials used. For these methods, surface deteriorations such as decoloration, scratch and corrosion also occur after long-time use. Therefore, a better surface treatment method is needed. This study was conducted to improve corrosion resistance and wear resistance of metal ornaments, and increase their added value by means of the DLC(Diamond-Like-Carbon) coating method, and to expand the range of its application. This study examined the characteristics of the DLC for coloring metal ornaments and the ornamental design for practical application. Coating metal ornaments could be considered as one of promising fields for application of DLC DLC film is very suitable as a coating material because it is an amorphous carbon material based on covalent bond and therefore has excellent hardness, wear resistance, lubricative property, chemical stability and light transmittance. DLC coating film was formed by the PECVD method using 13.56MHz rf plasma and CH4 gas as a material gas. At this time RF power, working pressure, transmittance according to kind and amount of auxiliary gas, and changes in optical band gap were observed. It was shown that the higher the RF power and working pressure, the lower the optical bang gap. This could be demonstrated by observing the amount of carbon-hydrogen bond by means of FT-IR. It was shown that addition of hydrogen and nitrogen would the optical band gap because they serves to break the carbon-hydrogen bond at the time of vapor deposition. The direction of design was set up in the manner that the DLC coating film could be effectively deposited on the surface of an ornament. Design was based on geometric figures and minimalism with plane elements accentuated. Accentuated, partial coating or simple, whole coating was induced by combining quadrangles, triangles and circles basically.