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휴대용 전자제품 설계 평가를 위한 감각형 증강현실 응용
박형준(Hyungjun Park) (사)한국CDE학회 2014 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2014 No.8
In this paper, we present the applications of tangible augmented reality (AR) for design evaluation of digital handheld products. We first introduce the overall framework of tangible AR-based design evaluation of digital handheld products, which aims at realizing tangible interaction, realistic visualization, and vivid functional simulation in an AR environment available at low cost. Then, we address some key issues including how to resolve hand occlusion and how to make proper use of simple objects such as rapid prototyping (RP) models or paper models to provide better visual immersion and support more tangible interaction. We have implemented the framework to develop a tangible AR-based system for design evaluation of digital handheld products, and obtained encouraging feedbacks from users experiencing several kinds of products with the system. Finally, future research directions are discussed with concluding remarks.
손가락 고정구를 이용한 휴대용 전자제품의 증강현실기반 감각형 상호작용
박형준(Hyungjun Park),문희철(Hee-Cheol Moon) (사)한국CDE학회 2011 한국CDE학회 논문집 Vol.16 No.1
In this paper, we propose an AR-based tangible interaction using a finger fixture for virtual evaluation of digital handheld products. To realize tangible interaction between a user and a product in a computer- vision based AR environment, we uses two types of tangible objects: a product-type object and a finger fixture. The product-type object is used to acquire the position and orientation of the product, and the finger fixture is used to recognize the position of a finger tip. The two objects are fabricated by RP technology and AR markers are attached to them. The finger fixture is designed to satisfy various requirements with an ultimate goal that the user holding the finger fixture in his or her index finger can create HMI events by touching specified regions (buttons or sliders) of the product-type object with the finger tip. By assessing the accuracy of the proposed interaction, we have found that it can be applied to a wide variety of digital handheld products whose button size is not less than 6 mm. After performing the design evaluation of several handheld products using the proposed AR-based tangible interaction, we received highly encouraging feedback from users since the proposed interaction is intuitive and tangible enough to provide a feeling like manipulating products with human hands.