Haptic texturing-a stochastic approach

نویسندگان

  • Juhani O. Siira
  • Dinesh K. Pai
چکیده

All objects have a surface roughness which manifests itself as small forces when objects slide under load against each other Simulating this roughness hap tically enriches the interaction between a user and a virtual world just as creating graphical textures enhances the depiction of a scene As with graphical textures a major design constraint for haptic textures is the generation of a su ciently realistic texture given hard constraints on computational costs We present a simple fast algorithm to synthesize haptic textures from statistical properties of surfaces The synthesized texture can be overlaid on other contact models such as hard contact with Coulomb friction The algorithm requires minimal hardware support and can be implemented on a variety of force feedback mechanisms It has been successfully implemented on a two degree of freedom haptic interface the Panto graph

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Stochastic models for haptic texture

Recent research in haptic systems has begun to focus on the generation of textures to enhance haptic simulations. Synthetic texture generation can be achieved through the use of stochastic modeling techniques to produce random and pseudo-random texture patterns. These models are based on techniques used in computer graphics texture generation and textured image analysis and modeling. The goal f...

متن کامل

A haptic object-oriented texture rendering system

In the questfor visual realism in computer graphics, surface textures are generated for objects based on a texture image or some procedural model. Similar approaches can be used to make objects feel more realistic with a haptic intelface. By using an object oriented approach, a sofhvare structure was created to allow the inclusion of various texture rendering algorithms for a 3 DOF haptic devic...

متن کامل

A Robust Controller with Online Authority Transformation for Dual User Haptic Training System

In this study, a force reflection control structure is developed for the surgery training haptic system. In the surgery training haptic system, the surgical operation is cooperatively performed by a trainer and a trainee. The participation of each surgeon in the operation is established through their own haptic consoles. Although the operation is primarily performed by the trainee, the trainer ...

متن کامل

Efficient Point-Based Rendering Techniques for Haptic Display of Virtual Objects

Computer haptics, an emerging field of research that is analogous to computer graphics, is concerned with the generation and rendering of haptic virtual objects. In this paper, we propose an efficient haptic rendering method for displaying the feel of 3-D polyhedral objects in virtual environments (VEs). Using this method and a haptic interface device, the users can manually explore and feel th...

متن کامل

Soft Tissue Modeling Using ANFIS for Training Diagnosis of Breast Cancer in Haptic Simulator

Soft tissue modeling for the creation of a haptic simulator for training medical skills has been the focus of many attempts up to now. In soft tissue modeling the most important parameter considered is its being real-time, as well as its accuracy and sensitivity. In this paper, ANFIS approach is used to present a nonlinear model for soft tissue. The required data for training the neuro-fuzzy mo...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 1996