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A machine-learning approach for analyzing document layout structures with two reading orders
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DOI：10.1016/j.patcog.2008.03.014.png)
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Abstract
En 中文
The purpose of document layout analysis is to locate textlines and text regions in document images mostly via a series of split-or-merge operations. Before applying such an operation, however, it is necessary to examine the context to decide whether the place chosen for the operation is appropriate. We thus view document layout analysis as a matter of solving a series of binary decision problems, such as whether to apply, or not to apply, a split-or-merge operation to a chosen place. To solve these problems, we use support vector machines to learn whether OF not to apply the previously mentioned operations from training documents in which all textlines and text regions have been located and their identifies labeled. The proposed approach is very effective for analyzing documents that allow both horizontal and vertical reading orders. When applied to a test data set composed of eight types of layout structure, the approach's accuracy rates for identifying textlines and text regions are 98.83% and 96.72%, respectively. (C) 2008 Elsevier Ltd. All rights reserved.
Keywords:
binary decision
document layout analysis
reading order
support vector machine
taboo box
textline
text region
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