KEYWORDS: 3D modeling, 3D scanning, Data modeling, Augmented reality, Telecommunications, Light sources, Solid modeling, Cameras, Prototyping, Projection systems
A shadow implicitly represents the existence of a human or object for various applications in interaction and media art designs. However, it is challenging to generate a natural shadow in artificial for a spatial augmented reality where the conventional approaches ignore the object dynamics and automatic control. In this work, we propose an interactive shadow generation system that creates the interactive shadow of users using a projector-camera system. With the offline processes of human mesh modeling and virtual environment registration, the proposed system rigs the 3D model created by scanning the user to generate the shadow. Finally, the generated shadow is projected into the real environment. We verify the usability of the proposed system and the impression of the generated shadow from our user study.
Rapid progress has been made in both augmented and virtual reality technologies. However, it is still challenging to seamlessly connect the virtual world with the real world, such as locating virtual three-dimensional models in the real environment and directly interacting with them. In this study, we propose a wearable augmented reality system with a proposed head-mounted device to enable the projection of anamorphic images. The proposed system can track the user's head movements, and then project the designated scene in real space in real time. To achieve this goal, our system consists of three steps: room scaling, blur correction for the projected contents, and calibration using dynamic mesh generation. We evaluated the proposed system by the interaction with virtual contents and characters. The evaluation results showed that the interaction with the virtual character was highly evaluated. This system can be used for a wide range of applications in daily life and entertainment, such as relieving loneliness and serving as a guide in museums.
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