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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G06V10/50
by performing operations within image blocks; by using histograms, e.g. histogram of oriented gradients [HoG]; by summing image-intensity values; Projection analysis
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G06V10/507
Summing image-intensity values; Histogram projection analysis
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