| 摘要 |
An image processing apparatus includes: a ruled line extracting unit that counts the number of pixels within an image, compares the counted number of pixels with a threshold value, and extracts a ruled line based on a result of the comparison; and an identifying unit that identifies a noise component in the ruled line extracted by the ruled line extracting unit based on thickness of the ruled line extracted by the ruled line extracting unit and the threshold value.
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