DIFF Subgroup
G06V 10/42 Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
Introduced: January 2022
Full Title
Full titles differ between systems:
IPC:
Arrangements for image or video recognition or understanding > Extraction of image or video features > Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
CPC:
Arrangements for image or video recognition or understanding (character recognition in images or video G06V30/10) > Extraction of image or video features > Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 2022.
Child Classifications
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- G06V 10/422 for representing the structure of the pattern or shape of an object therefor since 2022 IPC+CPC Available in IPC and CPC