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Title: CAPTCHA Using Hard AI Problems For Security full report
Page Link: CAPTCHA Using Hard AI Problems For Security full report -
Posted By: project topics
Created at: Wednesday 21st of April 2010 12:12:57 AM
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Abstract.
We introduce captcha, an automated test that humans can pass, but current computer programs canâ„¢t pass: any program that has high success over a captcha can be used to solve an unsolved Arti?- cial Intelligence (AI) problem. We provide several novel constructions of captchas. Since captchas have many applications in practical secu- rity, our approach introduces a new class of hard problems that can be exploited for security purposes. Much like research in cryptography has had a positive impact on algorithms for factoring and ....etc

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Title: Captcha
Page Link: Captcha -
Posted By: sharanps
Created at: Sunday 14th of March 2010 11:39:20 PM
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ppl can u please help abt the topic for the seminars....
I needed a ppt or a pdf for the same..
Thanks ....etc

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Title: 3D CAPTCHA A Next Generation of the CAPTCHA
Page Link: 3D CAPTCHA A Next Generation of the CAPTCHA -
Posted By: anushasekar2005
Created at: Monday 21st of March 2011 11:50:19 PM
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Hi,
I am Anusha Sekar. I am in my final year of Computer Science Engineering.
I want to know if you have ppt presentation fro the topic- 3D CAPTCHA: A Next Generation of the CAPTCHA. Could you help me out with the presentation? If you already have the presentation, please mail me at [email protected].

Thank You ....etc

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Title: CAPTCHA Security A Low-Cost Attack on a Microsoft CAPTCHA
Page Link: CAPTCHA Security A Low-Cost Attack on a Microsoft CAPTCHA -
Posted By: Wifi
Created at: Monday 01st of November 2010 12:20:26 AM
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CAPTCHA Security: A Low-Cost Attack on a Microsoft CAPTCHA
SEMINAR REPORT
Submitted by
NARAYANAN V
DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING
COLLEGE OF ENGINEERING TRIVANDRUM
2010






ABSTRACT


CAPTCHA is now almost a standard security technology. The most widely used CAPTCHAs rely on the sophisticated distortion of text images rendering them unrecognizable to the state of the art of pattern recognition techniques, and these text-based schemes have found widespr ....etc

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Title: IMPROVING AUDITORY CAPTCHA SECURITY
Page Link: IMPROVING AUDITORY CAPTCHA SECURITY -
Posted By: seminar class
Created at: Thursday 28th of April 2011 05:34:16 PM
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Presented by:
SANDEEP MEHTA


IMPROVING AUDITORY CAPTCHA SECURITY
Introduction
CAPTCHA
A common type of CAPTCHA requires the user to type the letters of a distorted image sometimes with the addition of an obscured sequence of letters or digits appears on screen.
This string which the user has to type to submit a form .This is a simple problem for humans, but a very hard problem for computers which have to use character recognition, because the displayed string is alienated in a way, which ma ....etc

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Title: CAPTCHA
Page Link: CAPTCHA -
Posted By: ram chavan
Created at: Tuesday 29th of March 2011 04:08:00 AM
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I WANT project report of this topic(CAPTCHA in vb. net) ....etc

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Title: Authentication using image CAPTCHA
Page Link: Authentication using image CAPTCHA -
Posted By: seminar presentation
Created at: Friday 28th of May 2010 11:17:17 PM
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CAPTCHA is a technique used to identify wether the user is a human or a BOT(called web robots), and it allows the humans to authenticate themselves by answering some simple questions.

while many techniques are used in captcha like text captcha , photo captcha, sound captcha etc; many of them were easily broken by spammers.like text captcha is a distorted image of containing some abnormal text, and with the help of OCR(Optical Character Reader) we could easily break the text captcha...

In this project create a control which is to be embedd ....etc

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Title: Captcha security for phishing
Page Link: Captcha security for phishing -
Posted By: smart paper boy
Created at: Tuesday 21st of June 2011 03:01:53 PM
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1. INTRODUCTION
Since the first phishing term was recorded in 1996 which was hunting for free AOL account, phishing is having an increasing tendency over the years. It then evolutes to financial fraud quickly, as the criminals always aim for high yield. Luckily, with the pursuit of online banking, the banking industry is always motivated to play a leading role in fighting phishing threat. However, the reported loss to Internet Crime such as phishing has broken its record each year. It is telling us that we are still ....etc

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Title: An Alternative To Captcha - Video Captcha
Page Link: An Alternative To Captcha - Video Captcha -
Posted By: summer project pal
Created at: Monday 24th of January 2011 12:21:59 AM
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An Alternative To Captcha - Video Captcha
B.Tech Seminar report
by
Nawas Abdulla
Department of Computer Science And Engineering
Government Engineering College, Thrissur
December 2010

report:


Abstract
Video Captcha is a new technique for using content based video as a CAPTCHA
task. These CAPTCHAs are presently generated from YouTube videos, which con-
tains tags supplied by the person while uploading that video. These videos are graded
using the given video ....etc

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Title: 3D CAPTCHA
Page Link: 3D CAPTCHA -
Posted By: Anushekar
Created at: Sunday 27th of March 2011 11:03:06 PM
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Hii, i'm final sem BE student... I have to do technical seminar shortly
if anyone know more about or already have project or seminar on 3D captchs..pls send me.. it's urgent & i'm waiting... thanking you ....etc

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