Entropy based skew correction of document images
PReMI'07 Proceedings of the 2nd international conference on Pattern recognition and machine intelligence
Document image analysis: issues, comparison of methods and remaining problems
Artificial Intelligence Review
A semi-automatic adaptive OCR for digital libraries
DAS'06 Proceedings of the 7th international conference on Document Analysis Systems
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A robust approach is proposed for document skew detection. We use Fourier analysis and SVM to classify textual areas from non-textual areas of documents. We also propose a robust method to determine the skew angle from textual areas. Our approach achieves good performance on documents with large area of non-textual contents.