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01-Applied Mathematics & Information Sciences
An International Journal


Volumes > Volume 6 > No. 6-3S


Realistic and Detail Rendering of Village Virtual Scene Based on Pixel Offset

PP: 769-775
Chunjiang Zhao, Huarui Wu, Ronghua Gao,
Many complex detail objects in the village virtual scene are important to the photo-realistic rendering technology. Bump mapping, normal mapping and parallax mapping have a capability to represent the realistic rendering by disturbing normal vector or shifting the texture coordinates along the view direction. However, an incorrect offset will lead to the sliding phenomenon in the detail rendering. In this paper, a corresponding relation between the offset and the current viewpoint is proposed by establishing mathematics function of the detail image pixel coordinates and the height values. Furthermore, the new pixel offset is calculated by using GPU technology. With GPU technology, sliding phenomenon does not appear when the viewpoint changes. Thus, the detail objects have the realistic effect in village virtual scene. The experimental results demonstrate that this proposed method has achieved better performance in representing the realistic and detail rendering than traditional methods of parallax mapping and texture coordinate offset correction with GPU technology.

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