Fuzzy method has been used to detect edge, but it is not effective on complex scene image.

模糊技术早已应用于图像边缘检测，但是目前的方法对于复杂景物图像的边缘检测，效果不理想。

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In the paper, a way of smooth filtering first, then detect edge using fuzzy sets in complex scene image is provided.

本文提出一种首先进行平滑滤波，然后检测模糊边缘的方法来进行复杂景物图像边缘检测。

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In this paper, I have done a deeper and more meticulous research on this method, and present the image-based shadow generation method of composited object in complex scene.

在本篇论文中，作者对这一方法进行了更为深入、细致的分析研究，并提出了基于图像的在复杂场景中生成合成物体阴影的方法。

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Even cooler is that fact that all of these properties can be applied to a scene as complex as the galaxy image above with physical properties that can be manipulated by touch on a standard issue iPad or any fairly modern mobile device.

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