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Najoua et al., 1995 - Google Patents

A robust approach for Arabic printed character segmentation

Najoua et al., 1995

Document ID
8607855393899555673
Author
Najoua B
Noureddine E
Publication year
Publication venue
Proceedings of 3rd International Conference on Document Analysis and Recognition

External Links

Snippet

In this paper we present the segmentation module of a complete system for the recognition of printed and handwritten Arabic documents. The system which is under development, includes several modules especially for characterising text fonts. It is based on the use of the …
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Classifications

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    • G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/62—Methods or arrangements for recognition using electronic means
    • G06K9/68—Methods or arrangements for recognition using electronic means using sequential comparisons of the image signals with a plurality of references in which the sequence of the image signals or the references is relevant, e.g. addressable memory
    • G06K9/6807—Dividing the references in groups prior to recognition, the recognition taking place in steps; Selecting relevant dictionaries
    • G06K9/6814—Dividing the references in groups prior to recognition, the recognition taking place in steps; Selecting relevant dictionaries according to the graphical properties
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/20—Image acquisition
    • G06K9/32—Aligning or centering of the image pick-up or image-field
    • G06K9/3275—Inclination (skew) detection or correction of characters or of image to be recognised
    • G06K9/3283—Inclination (skew) detection or correction of characters or of image to be recognised of characters or characters lines
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
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    • G06K9/20—Image acquisition
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    • G06K9/342—Cutting or merging image elements, e.g. region growing, watershed, clustering-based techniques
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    • G06K9/344—Segmentation of touching or overlapping patterns in the image field using recognition of characters or words
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    • G06K9/00—Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/36—Image preprocessing, i.e. processing the image information without deciding about the identity of the image
    • G06K9/46—Extraction of features or characteristics of the image
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    • G—PHYSICS
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    • G06K9/03—Detection or correction of errors, e.g. by rescanning the pattern
    • G06K9/033—Detection or correction of errors, e.g. by rescanning the pattern with the intervention of an operator
    • G—PHYSICS
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    • G06K9/00442—Document analysis and understanding; Document recognition
    • G06K9/00463—Document analysis by extracting the geometrical structure, e.g. layout tree; Block segmentation, e.g. bounding boxes for graphics, paragraphs, words or letters
    • G—PHYSICS
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    • G06K9/38—Quantising the analogue image signal, e.g. histogram thresholding for discrimination between background and foreground patterns
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    • G06K9/00852—Recognising whole cursive words
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    • G06K2209/01—Character recognition
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    • G—PHYSICS
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    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data

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