Apparatus processing two dimensional image representations...

Details Apparatus processing two dimensional image representations... Apparatus processing two dimensional image representations...

2006-06-13

2006-06-13

Le, Thien M. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S462250

Reexamination Certificate

active

07059525

ABSTRACT:
An apparatus is described for use in reading bar code symbols. The apparatus can acquire two dimensional image representations. In one embodiment the apparatus can include an image sensor and can be configured to have an adjustable frame rate. The apparatus in another embodiment can include an image sensor and can have decoding circuitry processing two dimensional image representations having a number of picture elements different from the number of picture elements of the image sensor. In another embodiment an apparatus can calculate a rate of change of a plurality of image data element. An apparatus in another embodiment can be used to determine whether a candidate symbol region is present utilizing gray scale image data elements. In another embodiment an apparatus can be used to determine whether a finder pattern is represented in an image representation and select a finder pattern in accordance with an identified finder pattern.

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