Mending broken handwriting with a macrostructure analysis method to improve recognition
Pattern Recognition Letters
Line Removal and Restoration of Handwritten Characters on the Form Documents
ICDAR '97 Proceedings of the 4th International Conference on Document Analysis and Recognition
Separation of Overlapping Text from Graphics
ICDAR '01 Proceedings of the Sixth International Conference on Document Analysis and Recognition
Dynamical Morphological Processing: A Fast Method for Base Line Extraction
ICPR '96 Proceedings of the 13th International Conference on Pattern Recognition - Volume 2
Line Removal and Restoration of Handwritten Strokes
ICCIMA '07 Proceedings of the International Conference on Computational Intelligence and Multimedia Applications (ICCIMA 2007) - Volume 03
SACH'06 Proceedings of the 2006 conference on Arabic and Chinese handwriting recognition
A real-world noisy unstructured handwritten notebook corpus for document image analysis research
Proceedings of the 2011 Joint Workshop on Multilingual OCR and Analytics for Noisy Unstructured Text Data
Model-based ruling line detection in noisy handwritten documents
Pattern Recognition Letters
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We describe a rule-line removal algorithm for handwritten document images in this paper. Compared to the existing approaches, our algorithm obtains more scalability to higher-resolution images and thicker rule-lines. Derived from the simple gap-filling methods using line-drawing algorithms, we present a novel approach to regenerating the missing portions of text strokes. Using this approach, the deformed text can be restored to its original shape. We also explore the noise filtering method for binarized document images, in particular by choosing the morphological operator in accordance with the noise power of the input image. Our approach has proven to be effective by experiments on both real and synthetic handwritten document images.