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Expressive Image Sketching with Two-Layer Image Features

机译:具有两层图像功能的富有表现力的图像素描

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The paper presents a framework for automatically natural image sketching, motivated by imitating the human line drawing process. The algorithm consists of two steps: sketch extraction and sketch rendering, using the recent computer vision and graphics techniques. In the first step, we design a bottom-up filter bank (low-level features) to propose sketch strength, position and orientation, and then trace and complete sketch following Gestalt laws (middle-level cues). In the second step, each sketch is rendered using a sketch-stroke model, accounting for the length, smoothness, width, and profile strength. Experimental results demonstrate the proposed approach is able to generate expressive sketch paintings from natural images.
机译:本文提出了一个自动自然图像素描的框架,该框架是通过模仿人的线条绘制过程来激发的。该算法包括两个步骤:使用最新的计算机视觉和图形技术进行草图提取和草图渲染。第一步,我们设计了一个自下而上的滤波器组(低级特征),以提出草图强度,位置和方向,然后按照格式塔定律(中级提示)跟踪并完成草图。在第二步中,使用草图笔划模型绘制每个草图,并考虑其长度,平滑度,宽度和轮廓强度。实验结果表明,该方法能够从自然图像中生成富有表现力的素描画。

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