https://blogs.lotterypost.com/jadelottery/2013/8/been-doing-some-research-and-rework-on-captch.htm JADELottery's Blog: Been doing some research and rework on CAPTCHA coding. en-us Lottery Post RSS Generator https://blogs.lotterypost.com/jadelottery/2013/8/been-doing-some-research-and-rework-on-captch.htm#c113160 https://blogs.lotterypost.com/jadelottery/2013/8/been-doing-some-research-and-rework-on-captch.htm#c113160 Fri, 23 Aug 2013 15:04:20 GMT JADELottery <br />they are: ! @ # % & + ?<br /><br />these characters can be misinterpreted as other letters or numbers by computer algorithms.<br /><br />! could be mistaken for l or i or I depending on the font used.<br /><br />@ could be a or o or c or C or O or 0.<br /><br /># could be tt or tf or ft or ++.<br /><br />& could be 8 or B or even D depending on text decoration.<br /><br />+ could be t or f or even i or l or I depending text decoration.<br /><br />% and ? are just there for plain ol' confus... [ More ]

]]> JADELottery https://blogs.lotterypost.com/jadelottery/2013/8/been-doing-some-research-and-rework-on-captch.htm https://blogs.lotterypost.com/jadelottery/2013/8/been-doing-some-research-and-rework-on-captch.htm Fri, 23 Aug 2013 14:07:27 GMT JADELottery Here's a few samples of what we have coded so far.

We call it the Gaussian-Ishihara Computer Color Blindness Test.

updated a few more samples

]]> Blog Entry JADELottery https://www.lotterypost.com/blogentry/82329