Character segmentation method and apparatus

Details Character segmentation method and apparatus Character segmentation method and apparatus

2007-11-27

2007-11-27

Tran, Phuoc (Department: 2624)

Image analysis

Image segmentation

Segmenting individual characters or words

C382S174000

Reexamination Certificate

active

11004738

ABSTRACT:
An electronic device (1100) and a method for character segmentation (100) includes an image analyzer (1110) that generates individual character images. The image analyzer binarizes (115) a gray scale image (200) of a horizontal row of characters by using a general threshold method to generate a first image (300). The image analyzer also binarizes (120) the gray scale image using an edge detection method to generate a second image (405). The image analyzer determines (125) a character row region (425) of the second image by using horizontal projection analysis. The image analyzer isolates (130) the character row region of the first image using the character row region of the second image. The image analyzer uses the character row region to generate (135) individual character images. The electronic device may include an image capture device (1105) and a character recognition program (1115).

REFERENCES:
patent: 5384864 (1995-01-01), Spitz
patent: 6327384 (2001-12-01), Hirao et al.
patent: 6449391 (2002-09-01), Ku
patent: 6473517 (2002-10-01), Tyan et al.
patent: 6909805 (2005-06-01), Ma et al.

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