Method and apparatus for text detection

Image analysis – Image segmentation – Distinguishing text from other regions

Reexamination Certificate

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C382S199000, C358S462000

Reexamination Certificate

active

10887940

ABSTRACT:
A text detection technique comprises local ramp detection, identification of intensity troughs (candidate text strokes), determination of stroke width, preliminary detection of text based on contrast and stroke width, and a consistency check.

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