4.10 Invert Image
This image filter converts the white pixels into black pixels and vice versa.
4.11 Line Removal
This image filter reconstructs or removes the ruled lines on images. When it is used,
the OCR results can be improved.
[Line Removal Properties] dialog box
Mode
Remove lines
Remove lines and repair
Reconstruct lines and repair
Before Line Removal
The mode is selected here.
The lines are detected and removed.
The lines are detected and removed. Next, the text and/or patterns
superimposed on the removed lines are restored.
The lines are detected and removed. Next, the text and/or patterns
superimposed on the removed lines are restored. Furthermore, straight lines
are then redrawn at the same locations as the removed lines.
After Line Removal
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