System and Method for Generating Challenge Items for CAPTCHAs

Patent №

US 8,380,503

Granted

2013-02-19

Filed 2009

Owner

Lab

AI components

6

ml · nlp · speech · kr · planning · hardware

Assignment

None on record

Dataset

AIPD

2023_r1 edition

Application

12484870

Challenge items for an audible based electronic challenge system are generated using a variety of techniques to identify optimal candidates. The challenge items are intended for use in a computing system that discriminates between humans and text to speech (TTS) system.

Machine learningNatural languageSpeechKnowledge representationPlanningAI hardwareG10L 15/063G06F 21/32G10L 13/027G10L 13/08G10L 15/02G10L 15/22G10L 17/00G10L 17/02+7 more

AI classification

Machine learning1.00
Natural language1.00
Speech1.00
Planning0.92
Knowledge representation0.89
AI hardware0.57
Evolutionary computation0.02
Vision0.00
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