Methods of creating a corpus of spoken CAPTCHA challenges

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United States of America Patent

PATENT NO 9558337
APP PUB NO 20150310198A1
SERIAL NO

14792370

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Abstract

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Methods of creating a corpus of spoken CAPTCHA challenges are disclosed. The methods involve training a computing system with samples of human voices and computer synthesized voices articulating a set of reference challenge items, scoring the reference challenge items based on differences in articulation between human and machine articulation of each challenge item, and selecting suitable challenge items from among the reference challenge items based on the score.

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Patent Owner(s)

Patent OwnerAddress
KNAPP INVESTMENT COMPANY LIMITEDC/O TRIDENT TRUST COMPANY (B V I ) LIMITED TRIDENT CHAMBERS P O BOX 146 ROAD TOWN TORTOLA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gross, John Nicholas Berkeley, US 125 3463

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