Patent ID: 8752141

Claim:
A method of testing recognition of images for a Completely Automatic Public Turing Test To Tell Humans And Computers Apart (CAPTCHA) system comprising: a. automatically electing an electronic image for a participant with a computing system, wherein said electronic image comprises a set of imagery data other than words, and wherein said electronic image is configured such that a subset of said set of imagery data for said electronic image can be made perceptible in a first image state; b. associating said electronic image with one or more concepts; c. presenting said electronic image in said first image state and progressively revealing information over a first time period within an interface for said participant using said computing system; d. automatically processing responses from the participant with the computing system to correlate an accuracy of guesses from said participant for said one or more concepts associated with said electronic image; and e. calculating a percentage of participants able to decode and accurately guess said one or more concepts within a predetermined time.