Image analysis – Image segmentation – Distinguishing text from other regions
Reexamination Certificate
2004-04-29
2008-12-23
Do, Anh Hong (Department: 2624)
Image analysis
Image segmentation
Distinguishing text from other regions
C382S270000
Reexamination Certificate
active
07469061
ABSTRACT:
A method of photo/text separation, which includes converting a document image into a plurality of source color planes, setting a source color consecutive point threshold (Tc), performing an intensity/color operation for each of the source color planes, and assigning photo/text types to the document image according to a connected length density threshold (Td) and a result of the intensity/color operation.
REFERENCES:
patent: 4879753 (1989-11-01), El-Sherbini
patent: 7023584 (2006-04-01), Cowan et al.
patent: 7375864 (2008-05-01), Kanno
Lee Fu-Wen
Mao Ching-Lung
Yao Shun-Yen
Do Anh Hong
Primax Electronics Ltd.
Rabin & Berdo P.C.
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