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In this paper, we propose a salient region detection method for textured 3D models. We define the salient region, not only based on geometry properties, such as mean curvature, but also based on texture properties, such as texture color. Feature maps of geometry and texture are combined to form a saliency map for capturing the visually important regions of a textured 3D model. During the feature maps...
In the article, we propose a adaptive FEC algorithm implemented in the Access Point (AP) to improve the quality of progressively compressed 3D models transmission over wireless networks(such as IEEE 802.11).Most FEC-based error control algorithms, which add redundant data to transmission data in a fixed number. However, most are unable to successfully hide the effects of burst losses (periods with...
This paper proposes a model streaming mechanism for colored progressive model based on predictive reconstruction method. After the packetizating of progressive mode and sent at the server side, predictive reconstruction method is developed to help a 3D model render in a desired visual quality even if some model information is lost. In particularly, the method consists of rapid prediction and progressive...
In order to solve the problems for lacking of both realistic for the goods presentation and the friendly interaction with user on the traditional E-commerce Websites, this paper presents applying X3D techniques into E-commerce website and realizes a 3D E-commerce shopping system. Firstly, this paper presents two key technologies employed in this system which are real-time rendering and interaction...
Although there are many edutainments in market yet, they are still not popular among school teaching due to the game developerspsila lack of teaching experience. This paper proposed a concept of ldquomade by teacherrdquo in game development, and presented an ontology-based edutainment development framework (OEDF) that assists teachers to design easily educational games at their wills. In OEDF, Ontology...
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