Method and apparatus for reading a bar code

Details Method and apparatus for reading a bar code Method and apparatus for reading a bar code

G - Physics

06

K

G06K 9/18 (2006.01) G06K 7/10 (2006.01) G06K 7/14 (2006.01) G06K 9/32 (2006.01)

Patent

CA 2352014

A method for reading a bar code digitally records a two- dimensional low resolution image by a camera. A modified Hough Transform obtains vote counts on lines relative to a reference point. The votes are clustered to obtain the bin axis of the bar code. The decoding step of the bar code uses an intensity profile along the bin direction.

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