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基于水珠的照片艺术增强

Artistic Augmentation of Photographs with Droplets

  • 摘要: 基于水珠的照片艺术增强的目标是生成即有美感又有真实感的照片,所以与传统的增强现实应用有两方面不同。一点不同是我们采用了一张新的图片作为环境贴图,在渲染时环境贴图会通过反射或折射映射在虚拟的水珠表面。另一个不同点是为悬挂和静息的水珠建模。这两就带来了两点挑战:(1)如何调整新环境贴图的亮度和颜色使得插入的虚拟水滴与原来的照片光照一致,(2)如何为悬挂和静息的水珠建立有美感的3D模型。这篇文章基于这两个难点提供了一种解决方案,并且论证了其生成图片增强结果的高效性。

     

    Abstract: Artistic augmentation of photographs with water droplets aims at generating aesthetic yet realistic images, and thus differs from traditional augmented reality in two aspects. One difference lies in the adoption of a new image as the environment map in order to render reflected or refracted effects on the surface of inserted water droplets. The other difference is in modeling of water droplets including hanging droplets and resting droplets. These differences raise two research challenges:1) how to adjust the brightness and colors of the new environment map to maintain visual consistency between the new environment map and the original input image; 2) how to model hanging and resting droplets aesthetically. This paper proposes a framework that addresses these two challenges and demonstrates the effectiveness of our framework by generating example augmented images.

     

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