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Date of download: 6/25/2016 Copyright © 2016 SPIE. All rights reserved. Test image “data 22:” the original image in RGB color space. Figure Legend: From:

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1 Date of download: 6/25/2016 Copyright © 2016 SPIE. All rights reserved. Test image “data 22:” the original image in RGB color space. Figure Legend: From: Automatic call number localization in color book images J. Electron. Imaging. 2005;14(4):043017-043017-6. doi:10.1117/1.2135796

2 Date of download: 6/25/2016 Copyright © 2016 SPIE. All rights reserved. Position of the maximum and minimum gradient in a local stroke window: (a) a horizontal window centered at a stroke pixel x and (b) maximum and minimum gradient in a local stroke window. Figure Legend: From: Automatic call number localization in color book images J. Electron. Imaging. 2005;14(4):043017-043017-6. doi:10.1117/1.2135796

3 Date of download: 6/25/2016 Copyright © 2016 SPIE. All rights reserved. Detected potential character pixels. Figure Legend: From: Automatic call number localization in color book images J. Electron. Imaging. 2005;14(4):043017-043017-6. doi:10.1117/1.2135796

4 Date of download: 6/25/2016 Copyright © 2016 SPIE. All rights reserved. Result of the CC-based filtering applied to the bitmaps in Fig.. Figure Legend: From: Automatic call number localization in color book images J. Electron. Imaging. 2005;14(4):043017-043017-6. doi:10.1117/1.2135796

5 Date of download: 6/25/2016 Copyright © 2016 SPIE. All rights reserved. Call number candidates produced in one book image. Figure Legend: From: Automatic call number localization in color book images J. Electron. Imaging. 2005;14(4):043017-043017-6. doi:10.1117/1.2135796

6 Date of download: 6/25/2016 Copyright © 2016 SPIE. All rights reserved. Three-layer feed-forward neural network. Figure Legend: From: Automatic call number localization in color book images J. Electron. Imaging. 2005;14(4):043017-043017-6. doi:10.1117/1.2135796

7 Date of download: 6/25/2016 Copyright © 2016 SPIE. All rights reserved. Complete call number localized in “data 22” book image. Figure Legend: From: Automatic call number localization in color book images J. Electron. Imaging. 2005;14(4):043017-043017-6. doi:10.1117/1.2135796

8 Date of download: 6/25/2016 Copyright © 2016 SPIE. All rights reserved. Results of the call number localization on the typically degraded book images: (a) input images, (b) the detected character pixels, (c) after CC-based filtering, and (d) call number regions. Figure Legend: From: Automatic call number localization in color book images J. Electron. Imaging. 2005;14(4):043017-043017-6. doi:10.1117/1.2135796

9 Date of download: 6/25/2016 Copyright © 2016 SPIE. All rights reserved. Localization of the call number mixed with other Latin characters in the image: (a) input images, (b) the detected character pixels, (c) after CC-based filtering, and (d) call number regions. Figure Legend: From: Automatic call number localization in color book images J. Electron. Imaging. 2005;14(4):043017-043017-6. doi:10.1117/1.2135796


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