Invention Grant
- Patent Title: Contextual abnormality CAPTCHAs
- Patent Title (中): 情境异常CAPTCHA
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Application No.: US12614913Application Date: 2009-11-09
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Publication No.: US08495518B2Publication Date: 2013-07-23
- Inventor: Edward B. Boden , Michael L. Greenblatt
- Applicant: Edward B. Boden , Michael L. Greenblatt
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Cantor Colburn LLP
- Agent William A. Kinnaman, Jr.
- Main IPC: G06F3/048
- IPC: G06F3/048
Abstract:
A method, computing device, and computer program product are provided for automatically generating contextual image tests implemented on a computer. An image is received by a computer. Sections of the image are altered to appear out of context or wrong to human users. The user must then identify the errors to pass the CAPTCHA.
Public/Granted literature
- US20110113378A1 CONTEXTUAL ABNORMALITY CAPTCHAS Public/Granted day:2011-05-12
Information query
