United Parcel Service of America, Inc.

Earle Timothy

Christopher E Smith

David Potteiger

Peter Everett

Pamela Klouda

David Salzman

Dave Salzman

John Wagner

A bar code reader decodes a bar code symbol in a pixel image by transforming the data corresponding to the symbol along a first scan line, where the transformation comprises rotation and stretching. The reader generates a composite vector and a count vector from the transformed data. The reader then transforms (by rotating and stretching) another set of data corresponding to the symbol along a second scan line. The reader updates the composite and count vectors using the second set of transformed data. The reader then generates a one-dimensional composite signal from the composite and count vectors. The reader decodes the symbol by decoding the composite signal.

Method and apparatus for decoding bar code symbols using subpixel scan

Method and apparatus for decoding bar code symbols using composite

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Clinton, CT, United States of America

Earle Timothy