In collaborative virtual environment system, to render 3d models on web based on a unified modeling kernel is a challenging issue. Previous technologies of web3d rendering mainly concentrate on the technology of visu...
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While there is a lot of research done in the area of 2d or 3d user interfaces (UIs) construction, comparatively little is known about systematic approaches to designing anddeveloping integrated 2d/3d UIs and applicat...
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In this paper a novel approach for multimodal search and retrieval is introduced. the searchable items are media representations consisting of multiple modalities, such as 2d images and3d objects, which share a commo...
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We present a generic architecture which enables the loading of several 3d formats in most 3d application engines. the purpose of this work is to solve the interoperability issue among 3d formats raised by the multipli...
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Rendering volumetric phenomena with believable appearance can add tremendous realism to virtual scenes. We introduce the CommonVolumeShader node, an extension of the X3d standard which has been specifically designed f...
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the previous publications on X3dOM focused on the general integration model [Behr et al. 2009] and implementation strategies [Behr et al. 2010]. the aspects of dynamic and interactive worlds were an essential part, bu...
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In audio-graphic scenes, visual and audio modalities are synchronized in time and space, andtheir behaviour is determined by a common process. We present here a novel way of modeling audio-graphic content for interac...
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Collaborative visualization is becoming more and more important, given the distributed and mobile nature of teams. Current visualization systems are often still monolithic and not flexible enough for todays users;they...
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We introduce a simple and innovative method to compare any two texture maps, regardless of their sizes, aspect ratios, or even masks, as long as they are both meant to be mapped onto the same 3d mesh. Our system is ba...
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Using patent and citation analysis, this study explores the development trajectory of 3dimensional printing (3dP) technologies. different from the existing literature, we disentangle non-3dP technologies from those i...
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Using patent and citation analysis, this study explores the development trajectory of 3dimensional printing (3dP) technologies. different from the existing literature, we disentangle non-3dP technologies from those in the 3dP domain. Our results show that 3d printing technologies invented by the U.S. have played in a dominating role in the main path. In particular, new branches of various types of 3d technologies have all developed from American patents. there was only one main path in 3d printing technologies during 1998 andthe early 2000s. However, great diversification can be observed after the mid-2000s. China has been catching up after 2012, in technologies related to both printing materials and printing machines. By tracking technologydomains in the patents cited by 3dP technologies, we findthat, in the period between 2004 and 2012, technologies from non-3dP domains contributed greatly in shaping the development of 3d printing materials and printing machines. At a disaggregated level, this study provides insights on how technologies from various fields contributed to different 3d printing technology clusters. the methods carried out in this study can be also applied to exploring technological developments and knowledge flows in other fields.
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