From 93399ea9807cc06ee276603d5f18f35f42533ccc Mon Sep 17 00:00:00 2001 From: sanjana Date: Sun, 7 Jan 2018 10:04:19 +0530 Subject: [PATCH] Add description for example Captchas in README --- README.md | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 0b864b6..a926078 100644 --- a/README.md +++ b/README.md @@ -1 +1,13 @@ -# lc-core \ No newline at end of file +# lc-core +a Captcha framework + +Currently, the following example Captchas are provided by LibreCaptcha: + +`BlurCaptcha` +An image of a word is blurred before being shown to the user. + +`LabelCaptcha` +An image that has a pair of words is created. The answer to one of the words is known and to that of the other is unknown. The user is tested on the known word, and their answer to the unknown word is recorded. If a sufficient number of users agree on their answer to the unknown word, it is transferred to the list of known words. + +`FilterCaptcha` +An image of a random string of alphabets is created. Then a series of image filters that add effecs such as Smear, Diffuse, and Ripple are applied to the image to make it less readable.