TAILIEUCHUNG - Advances in haptics_2

Tham khảo sách 'advances in haptics_2', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 18 A Haptic Modeling System Jeha Ryu and Hyungon Kim Haptics Lab Gwangju Institute of Science and Technology KOREA E-mail ryu hyungonkim @ Abstract Haptics has been studied as a means of providing users with natural and immersive haptic sensations in various real augmented and virtual environments but it is still relatively unfamiliar to the general public. One reason is the lack of abundant haptic content in areas familiar to the general public. Even though some modeling tools do exist for creating haptic content the addition of haptic data to graphic models is still relatively primitive time consuming and unintuitive. In order to establish a comprehensive and efficient haptic modeling system this chapter first defines the haptic modeling processes and its scopes. It then proposes a haptic modeling system that can based on depth images and image data structure create and edit haptic content easily and intuitively for virtual object. This system can also efficiently handle non-uniform haptic property per pixel and can effectively represent diverse haptic properties stiffness friction etc . Keywords - haptics haptic modeling virtual reality augmented reality depth image 1. Introduction Haptics has been studied as a means of providing users with natural and immersive sensations of digital content in the fields of medicine 1 education 2 entertainment 3 and broadcasting 4 . Haptic interfaces allow users to touch explore and manipulate 3D objects in an intuitive way with realistic haptic feedback and can be applied to create touch-enabled solutions that improve learning understanding creativity and communication. In spite of the considerable advantages however haptics is still largely unfamiliar to most people potentially due to the lack of abundant haptic interaction contents in areas of interest to the general public. Audiovisual content on the other hand is readily available to the general public in a variety of forms including movies and music because it .

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