Animating Pictures of Fluid using Video Examples

Animating Pictures of Fluid using Video Examples
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使用视频示例制作流体图片动画

DOI:
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发表时间:
2009
期刊:
Computer graphics forum (Print)
影响因子:
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通讯作者:
H. Seidel
H. Seidel
中科院分区:
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文献类型:
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作者:
Makoto Okabe;K. Anjyo;T. Igarashi;H. Seidel

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我们提出了一种系统,允许用户从静止的流动图像开始设计连续流动的动画。其基本思想是将从视频示例中提取的流体运动应用于目标图像。该系统首先将视频示例分解为平均图像、流场和残差三个分量。然后,用户指定目标图像上的等价信息。用户手动绘制粗略的流场,系统使用目标图像的估计梯度自动对其进行细化。用户半自动地将残差转移到目标图像上。然后,系统近似平均图像,并通过添加传送的残差并根据用户指定的流动场对其进行翘曲来合成目标图像上的动画。最后,系统通过应用直方图匹配来调整结果动画的外观。我们设计了各种图片的动画,如河流、瀑布、火和烟。
We propose a system that allows the user to design a continuous flow animation starting from a still fluid image. The basic idea is to apply the fluid motion extracted from a video example to the target image. The system first decomposes the video example into three components, an average image, a flow field and residuals. The user then specifies equivalent information over the target image. The user manually paints the rough flow field, and the system automatically refines it using the estimated gradients of the target image. The user semi‐automatically transfers the residuals onto the target image. The system then approximates the average image and synthesizes an animation on the target image by adding the transferred residuals and warping them according to the user‐specified flow field. Finally, the system adjusts the appearance of the resulting animation by applying histogram matching. We designed animations of various pictures, such as rivers, waterfalls, fires, and smoke.
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DOI: 10.1007/978-1-4939-7647-8_1
发表时间: 2018
期刊: Neuromethods
影响因子: --
作者:
Joshi,AnandA
通讯作者: Joshi,AnandA