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Clustering documents in evolving languages by image texture analysis
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DOI：10.1007/s10489-016-0878-8.png)
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摘要
En 中文
This paper introduces a new method for clustering of documents, which have been written in a language evolving during different historical periods, with an example of the Italian language. In the first phase, the text is transformed into a string of four numerical codes, which have been derived from the energy profile of each letter, defining the height of the letters and their location in the text line. Each code represents a gray level and the text is codified as a 1-D image. In the second phase, texture features are extracted from the obtained image in order to create document feature vectors. Subsequently, a new clustering algorithm is employed on the feature vectors to discriminate documents from different historical periods of the language. Experiments are performed on a database of Italian documents given in Italian Vulgar and modern Italian. Results demonstrate that this proposed method perfectly identifies the historical periods of the language of the documents, outperforming other well-known clustering algorithms generally adopted for document categorization and other state-of-the-art text-based language models.
Keyword:
Coding
Clustering
Document analysis
Evolving languages
Image processing
Italian language
Language recognition
Statistical analysis
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3.5
论文数:
7.6K
被引数:
1.7W
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