Knowledge Commons of Institute of Automation,CAS
Nonrigid Point Matching of Chinese Characters for Robot Writing | |
Zhao, Bocheng | |
2017-12 | |
会议名称 | ROBIO |
会议日期 | 2017-12 |
会议地点 | 澳门 |
摘要 | Point matching is a key step in robot writinglearning process. There are three major challenges that weakened most of the existing point matching algorithms to match points for Chinese characters, including nonlinearly deformation, connected strokes and geometrically dispersive. We propose a novel algorithm based on constrained global energy function (CGE) in the matching process to cope with the abovementioned challenges in this paper. We utilized a global spatial distribution energy function (EF) to evaluate relationship among point sets. Then we could solve problems with point registration by minimizing the energy function. To evaluate the matching results of energy function, we defined a vector that describe local spatial information to optimize the algorithm presentation. In addition, to avoid divergence, we designed an operator based on sigmoid function, using literation numbers as inputs to constrain the vector. We have conducted experiments on an extensive human handwriting database, and our algorithm performed competitively against the state-of-the-art point matching algorithm in terms of accuracy and stability. |
收录类别 | EI |
语种 | 英语 |
文献类型 | 会议论文 |
条目标识符 | http://ir.ia.ac.cn/handle/173211/38572 |
专题 | 多模态人工智能系统全国重点实验室_智能交互 |
作者单位 | National Laboratory of Pattern Recognition, Institute of Automation 2 School of Computer and Control Engineering |
第一作者单位 | 模式识别国家重点实验室 |
推荐引用方式 GB/T 7714 | Zhao, Bocheng. Nonrigid Point Matching of Chinese Characters for Robot Writing[C],2017. |
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Nonrigid point match(2163KB) | 会议论文 | 开放获取 | CC BY-NC-SA | 浏览 下载 |
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