Difference between revisions of "Publications/201404-DAS-Ressources"

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Simplification of color images.
  
Simplification of color images.
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<br>[[%LRDEDOWNLOAD%/olena/resources/lazzara/13/icdar/tos_simplification/zip|Download all results (40MB)]]
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<br>[[http://www.lrde.epita.fr/dload/olena/resources/lazzara.13.icdar/tos_simplification.zip|Download all results (40MB)]]
 
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"Smart" binarization taking into account reverse video.
  
"Smart" binarization taking into account reverse video.
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<br>[[%LRDEDOWNLOAD%/olena/resources/lazzara/13/icdar/tos_smart_binarization/zip|Download all results (9MB)]]
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<br>[[http://www.lrde.epita.fr/dload/olena/resources/lazzara.13.icdar/tos_smart_binarization.zip|Download all results (9MB)]]
 
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Images combining the result of several identifications: background ('''black'''), non-specific objects ('''%SILVER%light gray%ENDCOLOR%''' contours), object holes ('''%YELLOW%yellow%ENDCOLOR%''' contours), thin line separators ('''%GREEN%green%ENDCOLOR%''' contours), text boxes ('''%AQUA%light blue%ENDCOLOR%''' contours), noise ('''%RED%dark red%ENDCOLOR%''' contours) and spurious shapes ('''%GRAY%dark gray%ENDCOLOR%''' contours).
  
Images combining the result of several identifications: background ('''black'''), non-specific objects ('''%SILVER%light gray%ENDCOLOR%''' contours), object holes ('''%YELLOW%yellow%ENDCOLOR%''' contours), thin line separators ('''%GREEN%green%ENDCOLOR%''' contours), text boxes ('''%AQUA%light blue%ENDCOLOR%''' contours), noise ('''%RED%dark red%ENDCOLOR%''' contours) and spurious shapes ('''%GRAY%dark gray%ENDCOLOR%''' contours).
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<br>[[%LRDEDOWNLOAD%/olena/resources/lazzara/13/icdar/tos_identification/zip|Download all results (85MB)]]
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<br>[[http://www.lrde.epita.fr/dload/olena/resources/lazzara.13.icdar/tos_identification.zip|Download all results (85MB)]]
 
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<br>[[%LRDEDOWNLOAD%/olena/resources/lazzara/13/icdar/show_through/zip|Download all results (157MB)]]
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<br>[[http://www.lrde.epita.fr/dload/olena/resources/lazzara.13.icdar/show_through.zip|Download all results (157MB)]]
 
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<br>[[http://www.lrde.epita.fr/dload/olena/resources/lazzara.13.icdar/filtering_lines.zip|Download all results (300KB)]]
 
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<br>[[%LRDEDOWNLOAD%/olena/resources/lazzara/13/icdar/filtering_text/zip|Download all results (109MB)]]
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<br>[[http://www.lrde.epita.fr/dload/olena/resources/lazzara.13.icdar/filtering_text.zip|Download all results (109MB)]]
 
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Revision as of 16:10, 25 October 2013



This page gathers resources related to the article entitled Planting, Growing, and Pruning Trees: Connected Filters Applied to Document Image Analysis submitted to the 11th IAPR International Workshop on Document Analysis Systems (DAS 2014).


Full Resolution Illustrations from the Paper

Click on image thumbnails to see the full resolution images.

Figure 3. Sample uses of connected operators.

Mp00215c 50p.png
Mp00215c 50p cartouche.png

(a) Filtering out everything but boxes.

Mp00032c 50p.png
Mp00032c 50p lines.png

(b) Showing filtered lines.

Mp00550c 50p.png
Mp00550c 50p text.png

(c) An image featuring almost only text.


Figure 4. Zero-crossing contours of different Laplace operators.

Lap4 0i.png
Lap17 0i.png

(a) Δ4

(b) LoG 17x17

Lapm51 0i.png
Lapm17 0i.png

(c) Δ□51

(d) Δ□17


Figure 6. Applying some applications upon the simplified tree structure.

234.png
234lap.png

(a) Color input image.

(b) Δ□51

234mean.png
234smart.png

(c) Simplification.

(d) Binarization.


Additional Results

Some morphological methods have been run on 63 document images from the PRImA Layout Analysis Dataset. Several results are proposed:

Click on image thumbnails to see the full resolution images.


Simplification.

Mp00032c mean color.png

Simplification of color images.
[all results (40MB)]


Binarization

Mp00032c bin smart.png

"Smart" binarization taking into account reverse video.
[all results (9MB)]

Identification

Mp00032c superposed.png

Images combining the result of several identifications: background (black), non-specific objects (%SILVER%light gray%ENDCOLOR% contours), object holes (%YELLOW%yellow%ENDCOLOR% contours), thin line separators (%GREEN%green%ENDCOLOR% contours), text boxes (%AQUA%light blue%ENDCOLOR% contours), noise (%RED%dark red%ENDCOLOR% contours) and spurious shapes (%GRAY%dark gray%ENDCOLOR% contours).
[all results (85MB)]


Show-through extraction

Mp00076c 50p fg.png
Mp00076c 50p bg.png


[all results (157MB)]

Boxes filtering

Mp00290c 50p filtering boxes.png


[all results (26MB)]

Lines filtering

Mp00252c 50p filtering lines.png


[all results (300KB)]

Text filtering

Mp00076c 50p filtering text.png


[all results (109MB)]

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