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Apparatus and method for determining the directional orientation of a document image based upon the location of detected punctuation marks within the document image
Apparatus and method for determining the directional orientation of a document image based upon the location of detected punctuation marks within the document image
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机译:用于基于检测到的标点符号在文档图像内的位置确定文档图像的方向取向的设备和方法
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摘要
An image forming apparatus includes an image reading device which extracts character images from an original document image read by an image reader. The reading device further extracts an area of predetermined size including a single character from the extracted character images, and detects punctuation marks among characters included in the respective extracted areas based on a distribution of image elements in the respective extracted area so as to discriminate the directional orientation of the character image based on a position of punctuation marks. Alternatively, the reading device detects the presence of white space in the extracted character images so as to discriminate the directional orientation of the character images based on a distribution of the detected white space.
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