发明名称 |
Edge smoothing filter for character recognition |
摘要 |
A system and method for correcting defects in a black white image. A character recognition system is disclosed that processes character data from a black white image, including: an edge smoothing filter that examines blocks of pixels in the black white image to determine if an indent or protrusion defect exists, and if so corrects the defect in a filtered image; and a recognition engine examines the filtered image and extracts character information.
|
申请公布号 |
US7567725(B2) |
申请公布日期 |
2009.07.28 |
申请号 |
US20070850927 |
申请日期 |
2007.09.06 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
PRAKASH RAVINDER |
分类号 |
G06K9/40;G06K9/34;G06K9/44 |
主分类号 |
G06K9/40 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|