SUB-WORD IMAGE CLUSTERING IN OLD PRINTED DOCUMENTS USING TEMPLATE MATCHING

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SOHEILI M.R.; KABIR E.

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Journal: NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR Year:2014 | Volume:11 | Issue:2 Page(s): 85-93

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Information Journal Paper

Title

SUB-WORD IMAGE CLUSTERING IN OLD PRINTED DOCUMENTS USING TEMPLATE MATCHING

Author(s)

SOHEILI M.R. | KABIR E. | Issue Writer Certificate

Keywords

DOCUMENT IMAGE ANALYSISQ2

LARGE DOCUMENTQ2

INCREMENTAL CLUSTERINGQ2

SEGMENTATIONQ2

DATASETQ2

Abstract

Due to the rapid growth of digital libraries, digitizing LARGE DOCUMENTs has become an important topic. In a quite long book, similar characters, sub-words and words will occur many times. In this paper, we propose a sub-word image clustering method for the applications dealing with large uniform documents. We assumed that the whole document is printed in a single font and print quality is not good. To test our method, we created a DATASET of all sub-words of a Farsi book. The book has 233 pages with more than 111000 sub-words manually labeled. We use an INCREMENTAL CLUSTERING algorithm. Four simple features are extracted from each sub-word and compared with the corresponding features of each cluster center. If all features' differences lie within certain thresholds, the sub-word and the winner cluster center are finely compared using a template matching algorithm. In our experiments, we show that all sub-words of the book are recognized with more than 99.7% accuracy by assigning the label of each cluster center to all of its members.

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APA: Copy

SOHEILI, M.R., & KABIR, E.. (2014). SUB-WORD IMAGE CLUSTERING IN OLD PRINTED DOCUMENTS USING TEMPLATE MATCHING. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR, 11(2), 85-93. SID. https://sid.ir/paper/228474/en

Vancouver: Copy

SOHEILI M.R., KABIR E.. SUB-WORD IMAGE CLUSTERING IN OLD PRINTED DOCUMENTS USING TEMPLATE MATCHING. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR[Internet]. 2014;11(2):85-93. Available from: https://sid.ir/paper/228474/en

IEEE: Copy

M.R. SOHEILI, and E. KABIR, “SUB-WORD IMAGE CLUSTERING IN OLD PRINTED DOCUMENTS USING TEMPLATE MATCHING,” NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, B- MUHANDISI -I KAMPYUTAR, vol. 11, no. 2, pp. 85–93, 2014, [Online]. Available: https://sid.ir/paper/228474/en

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