Image processing apparatus capable of accurately removing...

Details Image processing apparatus capable of accurately removing... Image processing apparatus capable of accurately removing...

2011-06-14

2011-06-14

Rahmjoo, Mike (Department: 2624)

Image analysis

Pattern recognition

Feature extraction

C382S192000, C382S274000, C382S100000, C382S232000, C382S282000, C358S003080, C358S003200, C358S003210, C358S001900, C358S003280

Reexamination Certificate

active

07961951

ABSTRACT:
An isolated point detection portion detects an isolated point in image data input from an image data adjustment portion. An isolated point removal portion makes a replacement of image data at a point of an isolated point detected by the isolated point detection portion. An edge identification portion performs edge identification for identifying a character region for the image data from which the isolated point has been removed by the isolated point removal portion. In this technique, edge identification is performed after the isolated point is erased by performing isolated point identification as a preliminary step of edge identification, so that isolated point noise can be removed with high accuracy.

REFERENCES:
patent: 5960121 (1999-09-01), Takahashi
patent: 2004/0114187 (2004-06-01), Furukawa
patent: 2008/0018919 (2008-01-01), Ohkawa
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Notice of Grounds of Rejection in JP 2007-209324 dated Jan. 20, 2009, and an English Translation thereof.
Notice of Grounds of Rejection in JP 2007-209324 dated May 26, 2009, and an English Translation thereof.

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