本论文围绕着基于图像的虚拟现实这个课题，对基于图像和基于图形方法进行了研究和讨论，并深入研究了基于图像绘制的方法。
This paper, target at the image-based virtual reality, discusses and studies the image-based and graph-based virtual reality, deeply studies in image-based scheme.
提出了一种新的基于图像的方法来实现真实感雨景的绘制。
This paper proposes a new method to render photo-realistic rain by image based methods.
采用基于视截体分层的方法进行大规模场景阴影绘制时，需要考虑分层的合理性与阴影的图像质量。
It is necessary to consider the reasonableness of split and the quality of shadow image when drawing shadow based on the view frustum split in a large scale scenes.
基于图像绘制场景的压缩方法先采用光场方法、同心拼图完成真实场景数据的采集。
The compression method of image-based rendering (IBR) is that light-fields and concentric mosaics means were used to complete data acquisition of actual scene.
此外，本文对非真实感绘制生成水墨画还进行了初步的研究，提出了基于图像类比生成水墨画风格艺术作品的方法。
In addition, we do an elementary research on the simulation of Chinese ink wash drawings with non-photorealistic rendering, a method based on image analogies is brought forward.
应用图像相似度理论，提出了一种综合使用基于几何和基于图像的混合绘制方法。
The similarity image retrieval system designed in this paper extracts the images feature using the feature extractor.
应用图像相似度理论，提出了一种综合使用基于几何和基于图像的混合绘制方法。
The similarity image retrieval system designed in this paper extracts the images feature using the feature extractor.
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