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Cloud gaming will make high quality gaming more accessible to everyone. It not only relieves users of the constant need to upgrade their hardware, but also makes it possible to enjoy high quality gaming on a variety of devices. Although cloud gaming alleviates some of the hardware constraints associated with end user devices, it does come at a cost - an array of performance issues such as increased...
the paper presents our web-based 3D medical data visualization framework with emphasis on user collaboration. The framework supports visualization of volumetric data and 3D meshes in web browsers. The paper focuses on integration of user-shareable 3D view-aligned hand drawn or written annotations into the visualization framework. Annotations are created on separate transparent canvases which are aligned...
Cloud rendering is emerged as a new cloud service to satisfy user's desire for running sophisticated graphics applications on thin devices. However, traditional cloud rendering approaches, both remote rendering and local rendering, have limitations. Remote rendering shifts intensive rendering tasks to cloud server and streams rendered frames to client, which suffers from high delay and bandwidth usage...
It is important to share the large amount of medical imaging data in different areas for a diagnosis and treatment collaboratively. Traditional medical visualization systems lack cross-platform access and collaborative mechanisms. This paper proposes a remote collaborative interactive systems for medical imaging based on users' role change. All master users can achieve collaborative interaction with...
An infinite canvas allows users to author or draw at any co-ordinate in a two or three dimension space. The authoring can be singular or collaborative i.e. remote users can simultaneously create content in real-time. In case of collaboration on an infinite canvas, a user may receive unrelated actions performed on another viewport which are not visible to him/her. This floods the network with unused...
Current web-based collaboration systems, such as Google Hangouts, WebEx, and Skype, primarily enable single users to work with remote collaborators through video conferencing and desktop mirroring. The original SAGE software, developed in 2004 and adopted at over one hundred international sites, was designed to enable groups to work in front of large shared displays in order to solve problems that...
In medical science field, a large amount of medical data needs to be shared in order to assist doctors to make a diagnosis and give treatment collaboratively. Traditional medical visualization systems lack cross-platform access and collaborative visualization mechanisms, it is difficult to achieve remote access and collaborative interaction. This paper proposes a collaborative interactive visualization...
We present a prototype collaborative application for archaeology that allows archeologists from remote locations to interact in real time with 3D archeological models through a shared virtual environment using teleimmersive technology. At each location, a set of stereo cameras captures 3D video of the user in real time to create his/her avatar. The 3D data is sent over the network to the remote location...
Networked tiled display (NeTD) systems, which leverage low-cost display tiles connected by high-performance networking, enable the simultaneous visualization of multiple ultra-high-resolution media. In this paper, in order to pinpoint the performance bottlenecks, we first attempt to analyze the NeTD system performance under a remote visualization scenario. By modeling the NeTD system into computing/networking...
Because of the growth of network and device capability, to realize the 3D content on general computation devices have become a popular and challenging research area as well as video delivery over Internet in the past years. But in order to transmit 3D content over Internet, there still exist some issues that need to be solved in the following. (1) In recent development on 3D delivery technology, most...
We propose a framework for visual and haptic collaboration in 3D shared virtual spaces. Virtual objects can de declared as shared objects which visual and physical properties are rendered synchronously on each client computer. We introduce virtual tools which are shared objects associated with interactive and haptic devices. We implement the proposed ideas as new pilot versions of BS Collaborate server...
Based on the collaborative virtual assembly system with haptic and force feedback, a contact elements prediction based haptic rendering method is proposed. This method is conducted at both server and client side. The server predicts the basic contact elements using haptic rendering model. At client side, according to the local proxy position and basic contact elements received from server side, the...
Interactive distributed visualization is an emerging technology with numerous applications. However, many of the present approaches of interactive distributed visualization are based on the traditional polygonal processing graphics pipeline. Our research is centred on investigating an alternative method using image-based rendering (IBR) which uses (multiple) images of the scene instead of a 3D geometrical...
In this paper we present the multi-display environment Deskotheque, which combines personal and tiled projected displays into a continuous teamspace. Its main distinguishing factor is a fine-grained spatial (i. e., both geometric and topological) model of the display layout. Using this model, Deskotheque allows seamless mouse pointer navigation and application window sharing across the multi-display...
AINAAN is a collaborative application developed for molecular visualization and analysis with multiple view points. The application allows multiple users to view and manipulate single and multiple representations of molecular structures. Network sessions can be initiated by any user over the network. Members over the network can join the session, and the initiator owns the activities of the session...
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