基于笔划的立体图像风格化

摘要

A system for rendering stereoscopic images in a stroke-based painterly style is presented.An initial stroke placement of left view image is generated based on the gradients of not only color but also the depth of the image.Then,an energy optimiza-tion,consisting of disparity and position constraints,is solved to guide a warp for the control points of the strokes to maintain the stroke matching in both views.Different properties of strokes could contribute to different styles.Experiments showed that the method provided an efficient way to produce the stereoscopic NPR effects.%为实现双目图像的风格化渲染，提出了一套完整的基于笔划的立体图像风格化系统。首先，将笔划基于颜色梯度和深度梯度确定左视图初始笔划的位置；然后，通过求解由视差约束和位置约束构成的能量优化方程，决定笔划的控制点在左、右眼视图中的最终位置，以保持笔划在两视图中的匹配。系统可以采用不同的笔划属性，生成不同风格的立体图像风格化结果。实验结果表明，所提方法为立体图像的风格化提供了有效快捷的方法。