IPC Subgroup
G06V 30/41 Analysis of document content
Introduced: January 2022
Full Title
Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition > Document-oriented image-based pattern recognition > Analysis of document content
Classification Context
- Section:
- PHYSICS
- Class:
- COMPUTING OR CALCULATING; COUNTING
- Subclass:
- IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
Scope Notes
Limiting references: Recognition of printed characters based on code marks
5 direct subcodes
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
- G06V 30/413 Classification of content, e.g. text, photographs or tables
- G06V 30/414 Extracting the geometrical structure, e.g. layout tree; Block segmentation, e.g. bounding boxes for graphics or text
- G06V 30/416 Extracting the logical structure, e.g. chapters, sections or page numbers; Identifying elements of the document, e.g. authors
- G06V 30/418 Document matching, e.g. of document images