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DIFF Subgroup
G06V 30/41

Analysis of document content (recognition of printed characters based on code marks G06V30/224)

Introduced: January 2022

Title

Titles differ between systems:

IPC: Analysis of document content

CPC: Analysis of document content (recognition of printed characters based on code marks G06V30/224)

Full Title

Full titles differ between systems:

IPC:

Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition > Document-oriented image-based pattern recognition > Analysis of document content

CPC:

Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition (scanning, transmission or reproduction of documents or the like H04N1/00) > Document-oriented image-based pattern recognition > Analysis of document content (recognition of printed characters based on code marks G06V30/224)

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

IPC defines codes here since 2022.

Child Classifications

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  • G06V 30/412 Layout analysis of documents structured with printed lines or input boxes, e.g. business forms or tables since 2022 IPC+CPC Available in IPC and CPC
  • G06V 30/413 Classification of content, e.g. text, photographs or tables since 2022 IPC+CPC Available in IPC and CPC
  • G06V 30/414 Extracting the geometrical structure, e.g. layout tree; Block segmentation, e.g. bounding boxes for graphics or text since 2022 IPC+CPC Available in IPC and CPC
  • G06V 30/416 Extracting the logical structure, e.g. chapters, sections or page numbers; Identifying elements of the document, e.g. authors since 2022 IPC+CPC Available in IPC and CPC
  • G06V 30/418 Document matching, e.g. of document images since 2022 IPC+CPC Available in IPC and CPC