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基于电路法的优化式着色算法分析

更新时间:2020-10-22 17:20:49 大小:681K 上传用户:gsy幸运查看TA发布的资源 标签:电路 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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提出一种基于优化形式的着色框架,并构建其等效求解电路,从而把着色问题转化为电路中节点电位的求解。设计一种能调节物体间颜色过渡带宽度的改进算法,并对其着色特性与现有混色算法进行比较分析。实验结果表明:根据电路理论中的基尔霍夫电流定律,证明了现有的2种着色算法等价;优化式着色实际上是一种混色过程,其混色权重等于像素随机游走的首达概率。优化式着色算法既能获得均匀的颜色渐变特性,又可以在物体间作很好的颜色区分。

A general frame for colorization based on optimization was put forward,and followed by its equivalent electrical circuit which formulates colorization process as evaluating potential of all nodes.An improved algorithm which is capable of adjusting width of transition area in between two objectives was designed.And then the colorization feature was compared with that of existing chrominance blending methods.The results indicate that it has been proved that the two existing methods are equivalent according to Kirchhoff’s current law,and the optimization-based colorization can be also viewed as that of chrominance blending where every blending weight of each pixel equals this pixel’s first-reach probability in its random walk to relevant k...

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基于电路法的优化式着色算法分析.pdf 681K

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