Patent classifications
G
PHYSICS
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G06
COMPUTING OR CALCULATING; COUNTING
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G06V
IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
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10/00
Arrangements for image or video recognition or understanding
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G06V10/40
Extraction of image or video features
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G06V10/42
Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
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G06V10/422
for representing the structure of the pattern or shape of an object therefor
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G06V10/424
Syntactic representation, e.g. by using alphabets or grammars
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