Perspective rectification of document images based on morphology
文献类型：会议论文
| 作者 | Ligang Miao; Silong Peng ; Liang Miao
|
| 出版日期 | 2007 |
| 会议日期 | 2006/10/3-2006/10/6 |
| 会议地点 | 中国Guangzhou China |
| 关键词 | 无 |
| 页码 | pp 1805-1808 |
| 英文摘要 | Documents may suffer from perspective distortion when captured with hand-held digital cameras. A morphology based rectification method is proposed to recoverfronto-parallel views ofperspectively distorted documents images. Firstly we extend the nearestneighbor (NN) clustering technique in document skew rectification to locate the horizontal vanishing point of the text plane. Secondly we partition the image into multiple overlapping blocks centered with the centroid ofeach connected component (CC) andpropose a runlength opening algorithm (RLOA) to compute the local orientation o vertical character stroke (VSB) which is used to locate the document's vertical vanishing point. Finally a three-step hierarchical rectification method is proposed to rectify the distorted images. Experiment results on various types of documents show that the proposed rectification method has achieved accurate recovery ofdocument images. |
| 源URL | [http://ir.ia.ac.cn/handle/173211/12887]  |
| 专题 | 自动化研究所_智能制造技术与系统研究中心_多维数据分析团队 |
| 通讯作者 | Liang Miao |
| 推荐引用方式 GB/T 7714 | Ligang Miao,Silong Peng,Liang Miao. Perspective rectification of document images based on morphology[C]. 见:. 中国Guangzhou China. 2006/10/3-2006/10/6. |
入库方式： OAI收割
来源：自动化研究所
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