Document analysis applied to fragments: feature set for the reconstruction of torn documents
DAS '10 Proceedings of the 9th IAPR International Workshop on Document Analysis Systems
Analysis of document snippets as a basis for reconstruction
VAST'09 Proceedings of the 10th International conference on Virtual Reality, Archaeology and Cultural Heritage
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This paper proposes a skew detection method for real Chinese handwritten documents. After analyzing the characteristics of Chinese characters, it utilizes the horizontal stroke histogram. Its accuracy, ability to increase the recall rate of text line separation, and CPU time consuming are investigated using 853 real Chinese handwritten documents. The results show that: 1) The method can identify 98.83% of the skew angles within one degree, with an improvement of 8.44% than Wigner-Ville Distribution (WVD) method; 2) When incorporated into text line separation, the recall rate has an improvement of 2.54% than WVD method; 3) The method only consumes one-twentieth of WVD method on the same test environment.