-
Article
Controlling the contact levels of details for fast and precise haptic collision detection
For accurate and stable haptic rendering, collision detection for interactive haptic applications has to be done by filling in or covering target objects as tightly as possible with bounding volumes (spheres, ...
-
Chapter and Conference Paper
Data Transmission for Haptic Collaboration in Virtual Environments
In this paper, we mainly present the analysis on the haptic data transmission over real network conditions in a networked haptic collaboration environment. Since haptic data are produced at the rate of 1khz, t...
-
Chapter and Conference Paper
Image Streaming and Recognition for Vehicle Location Tracking Using Mobile Devices
The image of a license plate is scanned by the camera attached to a mobile PDA device and the numbers on the plate are detected by the image processing parts in the proposed Mobile system. Then the numbers and...
-
Chapter and Conference Paper
A Cost Model for an Adaptive Cell-Based Index Structure
In this paper, we describe a cost model for an adaptive cell-based index structure which aims at efficient management of immense amounts of spatio-temporal data. We first survey various methods to estimate the...
-
Chapter and Conference Paper
Vision-Based Bare-Hand Gesture Interface for Interactive Augmented Reality Applications
This paper presents a barehanded interaction method for augmented reality games based on human hand gestures. Point features are tracked from input video frames and the motion of moving objects is computed. Th...
-
Chapter and Conference Paper
Vision-Based Real-Time Camera Matchmoving with a Known Marker
A primary requirement for practical augmented reality systems is a method of accurate and reliable camera tracking. In this paper, we propose a fast and stable camera matchmoving method aimed for real-time aug...
-
Chapter and Conference Paper
A User-Friendly News Contents Adaptation for Mobile Terminals
We present a system that transforms web contents in the internet effectively to the corresponding mobile contents adapted to a mobile terminal such as a PDA or a mobile phone. The primary goal of this research...
-
Chapter and Conference Paper
View-Dependent Simplification of Complex Urban Scenes Using Weighted Quadtrees
This article describes a new contribution culling method for the view-dependent real-time rendering of complex huge urban scenes. As a preprocessing step, the view frustum culling technique is used to cull awa...
-
Chapter and Conference Paper
Parallel Processing for Reducing the Bottleneck in Realtime Graphics Rendering
The rendering process of graphics rendering pipeline is usually completed by both the CPU and the GPU, and a bottleneck can be located either in the CPU or the GPU. This paper focuses on reducing the bottlenec...
-
Chapter and Conference Paper
Realtime Control for Motion Creation of 3D Avatars
In this paper, we are proposing a new mechanism for controlling 3D (three dimensional) avatars to create user-designed peculiar motions of avatars in real-time using general interfaces, such as a mouse, a keyb...
-
Chapter and Conference Paper
Reliable Mobile Ad Hoc P2P Data Sharing
We developed a reliable mobile Peer-to-Peer (P2P) data sharing system and performed some experiments for verifying our routing scheme using our real testbed. Our method for guaranteeing reliable P2P data shari...
-
Chapter and Conference Paper
A Java-Based Collaborative Authoring System for Multimedia Presentation
In this paper, we propose a Java-based collaborative authoring system for multimedia presentation. Our system is composed of an Editing System, a Media Object Manager and a Collaboration Manager. The Editing S...
-
Chapter and Conference Paper
Virtual Object Placement in Video for Augmented Reality
This article describes a method to insert virtual objects into a real video stream based on feature tracking and camera pose estimation from a set of single-camera video frames. To insert or modify 3D shapes t...
-
Chapter and Conference Paper
A Collaborative Multimedia Authoring System Based on the Conceptual Temporal Relations
We developed a SMIL-based collaborative multimedia authoring tool supporting a mechanism for conceptually representing the temporal relations between different media. Among the many editors that make up our sy...
-
Chapter and Conference Paper
A Collaborative Multimedia Authoring System
The existing authoring tools usually provide an authoring environment where the spatial information and temporal information are edited independently in two different Interfaces, which can inconvenience the us...
-
Chapter and Conference Paper
Mixed Usage of Wi-Fi and Bluetooth for Formulating an Efficient Mobile Conferencing Application
This paper proposes a mobile conferencing system which allows the mixed usage of Wi-Fi and Bluetooth and the performance analysis of it. The performance analysis includes the analysis of interference due to th...
-
Chapter and Conference Paper
Desirable Mobile Networking Method for Formulating an Efficient Mobile Conferencing Application
This paper proposes a method for defining the best networking method of a mobile conferencing system in a given situation. We developed a mobile conferencing system which works for both types of mobile network...
