71 Result(s)
within
Computer Science
Multimedia Information Systems
**ya Sato
Chapter
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Chapter and Conference Paper
Multimedia communications and groupware
Groupware is about people communicating with one another. People's communications are inherently multimedia: text, voice, graphics, image, animation, and video. A number of moderately priced multimedia communi...
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Chapter and Conference Paper
Video data management in Media Controller: A distributed multimedia surveillance system
This paper describes a multimedia surveillance system, the Media Controller. The Media Controller is designed for industrial surveillance and monitoring applications, and it provides the realtime recording and...
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Chapter and Conference Paper
A Method for Estimating Illumination Distribution of a Real Scene Based on Soft Shadows
This paper describes a new method for estimating an illumination distribution of a real scene. Shadows in a real scene are usually observed as soft shadows that do not have sharp edges. In the proposed method,...
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Chapter and Conference Paper
Variance-Penalized Reinforcement Learning for Risk-Averse Asset Allocation
The tasks of optimizing asset allocation considering transaction costs can be formulated into the framework of Markov Decision Processes(MDPs) and reinforcement learning. In this paper, a risk-averse reinforce...
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Chapter and Conference Paper
Human-Body Motion Simulation Using Bone-Based Human Model and Construction of Motion Database
This paper presents motion simulation/evaluation system for factory workers in the framework of “Info-Ergonomics.” One of the key technologies is CG simulation based on the precise human body mockup called “Bo...
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Chapter
Interaction for Entertainment Contents Based on Direct Manipulation with Bare Hands
We have developed an augmented desk interface system called the EnhancedDesk which allows us to interact with both physical objects and digital information projected onto a desk simultaneously; this interactio...
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Chapter
Playing Rubik’s Cube in Mixed Reality
This paper describes a prototype system for virtual objects manipulation in mixed reality environment. SPIDAR-8, the multi-fingers string-based haptic interface device, is used to display force feedback at fou...
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Chapter
A Method for Real-Time Rendering of Water Droplets Taking into Account Interactive Depth of Field Effects
Many researchers have been studying computer graphics simulations of natural phenomena. One important area in these studies is the animation of water droplets, whose applications include drive simulators. Beca...
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Chapter
“Penguin Hockey”
We have developed a Virtual Reality amusement system called “Penguin Hockey”. Most previous work on virtual reality amusement systems has targeted the players aged approximately 10–15. However, our system targ...
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Chapter
Reliability of a Distributed Search Engine for Fresh Information Retrieval in Large-Scale Intranet
We have developed distributed search engine, called Cooperative Search Engine (CSE), in order to retrieve fresh information. In CSE, a local search engine located in each Web server makes an index of local pag...
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Chapter and Conference Paper
Entertainment Applications of Human-Scale Virtual Reality Systems
This paper describes three applications of human-scale virtual reality in demonstrative systems. The first application is a demonstrative system, the “Tangible Playroom”. It was designed as a computer entertai...
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Chapter and Conference Paper
A Broadcasting Technique for Holographic 3D Movie Using Network Streaming
Lately, many kinds of transmitting techniques over the high speed communicating networks called broad-band internet have widespread among the general public. However, as for the transmission of 3D visual image...
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Chapter and Conference Paper
Web-Based Telepresence System Using Omni-directional Video Streams
Recently, the telepresence which allows us to experience a remote site through a virtualized real world has been investigated. We have already proposed telepresence systems using omni-directional images which ...
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Chapter and Conference Paper
A Novel Indexing Method for Digital Video Contents Using a 3-Dimensional City Map
This paper presents a novel indexing method for digital video contents. The method automatically identifies city buildings captured by digital video camera. This is done by extracting the objects from candidat...
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Chapter and Conference Paper
Human-Scale Interaction with a Multi-projector Display and Multimodal Interfaces
We propose a novel multi-projector display for immersive virtual environments. Our system named “D-vision” has a hybrid curved screen which completely covers user’s view and immerses the user in displayed virt...
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Chapter and Conference Paper
EnhancedTable: Supporting a Small Meeting in Ubiquitous and Augmented Environment
This paper describes our design and implementation of an augmented table interface for small group meetings. The system was designed to be used by multiple users in the ubiquitous environment, where people do ...
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Chapter and Conference Paper
Using a MyoKinetic Synthesizer to Control of Virtual Instruments
We have been develo** a new type of human-computer interface, myokinetic synthesizer (MyoKinSynthesizer), using electromyography (EMG) signals. It enables a user to select virtual instruments and to control ...
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Chapter and Conference Paper
Haptic Interaction System for Co-evolution with Reactive Virtual Human
Interactions that provide motivating activities, and perform mutual feedback truly in human-scale spaces, were not suggested in any studies. In this paper, we propose and implement a haptic interaction system ...
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Chapter and Conference Paper
3D Digital Archive of the Burghers of Calais
Auguste Rodin is the most celebrated sculptor of the 19th century. His works, such as The Gates of Hell, The Thinker, and The Burghers of Calais, are famous worldwide. To our knowledge, no art historians have ...
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Chapter and Conference Paper
Gaze Estimation from Low Resolution Images
The purpose of this study is to develop an appearance-based method for estimating gaze directions from low resolution images. The problem of estimating directions using low resolution images is that the positi...
