EXTRACTION OF MULTIPLE DOCUMENTS FROM A SINGLE IMAGE Russian patent published in 2022 - IPC G06F7/00 

Abstract RU 2764705 C1

FIELD: image data processing.

SUBSTANCE: invention relates to document recognition systems. The system and method for recognition of documents in an image include creating a superpixel segmentation map of the initial image using a neural network; generating a superpixel binary mask by linking each superpixel from the segmentation map with a class from a preset class set; identifying one or more connected components in the superpixel binary mask; identifying the corresponding minimum circumscribing polygon for each connected component of the binary mask; creating one or more lines dividing the image based on the minimal circumscribing polygons; and determining the boundaries of one or more objects of interest based on at least a subset of the lines dividing the image.

EFFECT: expanded range of means for the purpose of document recognition.

20 cl, 7 dwg

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RU 2 764 705 C1

Authors

Ivan Zagaynov

Aleksandra Stepina

Dates

2022-01-19Published

2020-12-22Filed