| US 7,612,918 B2 | ||
| Image processing apparatus | ||
| Tomohisa Suzuki, Yokohama (Japan) | ||
| Assigned to Kabushiki Kaisha Toshiba, Tokyo (Japan); and Toshiba Solutions Corporation, Tokyo (Japan) | ||
| Filed on Mar. 29, 2006, as Appl. No. 11/391,219. | ||
| Claims priority of application No. P2005-096213 (JP), filed on Mar. 29, 2005. | ||
| Prior Publication US 2006/0221410 A1, Oct. 05, 2006 | ||
| Int. Cl. H04N 1/38 (2006.01) | ||
| U.S. Cl. 358—3.26 [358/463; 382/275] | 11 Claims |
| 1. An image processing apparatus, comprising:
a background density distribution estimating part that estimates density distribution of pixels in a background area in an
image to be processed;
an area density distribution estimating part that estimates density distribution in a designated area in the image; and
an entry existence judging part that judges existence or not of entry of predetermined information in the designated area,
based on the density distribution of the pixels in the background area estimated by said background density distribution estimating
part and the density distribution in the designated area estimated by said area density distribution estimating part.
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