The document discusses tools developed by the National Center for Scientific Research (NCSR) called IMPACT tools for detecting borders, removing borders, and splitting pages of document images. It provides evaluation results for the IMPACT tools and other tools on two large datasets showing the IMPACT tools achieve high precision, recall, and F-measure for border removal and page splitting tasks.
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NCSR Tools Remove Borders and Split Pages
1. IMPACT Tools Developed by NCSR IMPACT Final Conference 2011 24-25 October 2011, London, UK B. Gatos Computational Intelligence Laboratory Institute of Informatics and Telecommunications National Center for Scientific Research ( NCSR ) "Demokritos" GR-153 10 Agia Paraskevi, Athens, Greece
2. Border_Detection_v4 [0|1] [infile] [outfile1] [outfile2] parameter [0|1]: 0 -> only border removal, 1 -> border removal & page split parameter [infile]: Input filename (b/w or gray scale image) parameters [outfile1] [outfile2]: Output filenames (b/w or gray scale image) + web service implementation IMPACT Tools Developed by NCSR - IMPACT Final Conference 2011, 24-25 October, London, UK
9. 1 (Bad) 2 3 4 5 (Good) Av=4.3 Av=3.6 1. Final image almost destroyed! 2. Big part of text is missing 3. Small part of text is missing 4. All text is there, border not completely removed. 5. All text is there, border has been completely removed. 1. Final image almost destroyed! 2. Big part of text is missing 3. Small part of text is missing 4. All text is there, border not completely removed. 5. All text is there, border has been completely removed. 21709 images to test border removal 3003 newspaper images to test border removal
10. 1 (Bad) 2 3 4 5 (Good) Av=3.3 1. Page split fails! 2 Page split with problems. 3. Page split is correct, large parts of noise remains or text is removed 4. Page split is correct, small parts of noise remains or text is removed 5. Page split is correct, only black noise has been removed IMPACT Tools Developed by NCSR - IMPACT Final Conference 2011, 24-25 October, London, UK 3009 images to test page split (results on 50%)