Systems, methods and computer program products for automatically extracting information from a flowchart image

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United States of America Patent

PATENT NO 11704922
APP PUB NO 20210365679A1
SERIAL NO

17398349

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Abstract

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A method of extracting information from a flowchart image comprising a plurality of closed-shaped data nodes having text enclosed within, connecting lines connecting the plurality of closed-shaped data nodes and free text adjacent to the connecting lines includes receiving the flowchart image, detecting the closed-shaped data nodes, localizing the text enclosed within the closed-shaped data nodes, and masking the localized text.to generate an annotated image. Lines in the annotated image are the detected to reconstruct them as closed-shaped data nodes and connecting lines. A tree frame with the plurality of closed-shaped data nodes and the connecting lines is extracted. The free text is then localized. Chunks of the free text oriented and positioned proximally together are assembled into text blocks using an orientation-based two-dimensional clustering.

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Patent Owner(s)

  • ELSEVIER INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kakrana, Atul Newark, US 2 18
Raha, Kaushik Jeffersonville, US 5 86

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