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Method for repairing images for optical character recognition performing different repair operations based on measured image characteristics
Method for repairing images for optical character recognition performing different repair operations based on measured image characteristics
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机译:用于基于测量的图像特性执行不同修复操作的用于光学字符识别的图像修复方法
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摘要
A computer system and method for repairing address blocks and ZIP codes numerical groups before segmentation of the ZIP code in an optical character recognizer. The system repairs the image based upon classification of the image as normal or otherwise. If the class is otherwise, background inclusions and gaps are filled in. If the class is normal, small noise pixel elements are eliminated. Once the ZIP code is located, non-horizontal and horizontal gaps are filled in between strokes and small strokes. The amount of dilation of the strokes and small strokes depends on the size of the strokes. The strokes are dilated and then the dilated area is eroded and shaped to conform to the original strokes. The repair connects strokes before segmentation of the ZIP code block into individual digits.
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