IPC Subgroup
G06V 30/16 Image preprocessing
Introduced: January 2022
Full Title
Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition > Character recognition > Image preprocessing
Classification Context
- Section:
- PHYSICS
- Class:
- COMPUTING OR CALCULATING; COUNTING
- Subclass:
- IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
4 direct subcodes
Child Classifications
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- G06V 30/162 Quantising the image signal
- G06V 30/164 Noise filtering
- G06V 30/166 Normalisation of pattern dimensions
- G06V 30/168 Smoothing or thinning of the pattern; Skeletonisation