Systems and methods for decoding two-dimensional matrix symbols

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United States of America Patent

PATENT NO 9911024
SERIAL NO

14944248

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Abstract

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Systems and methods for reading a two-dimensional matrix symbol or for determining if a two-dimensional matrix symbol is decodable are disclosed. The systems and methods can include a data reading algorithm that receives an image, locates at least a portion of the data modules within the image without using a fixed pattern, fits a model of the module positions from the image, extrapolates the model resulting in predicted module positions, determines module values from the image at the predicted module positions, and extracts a binary matrix from the module values.

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Patent Owner(s)

  • COGNEX CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Negro, James A Arlington, US 43 317
Wang, Xianju Bedford, US 8 16
Ye, Xiangyun Framingham, US 25 424

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