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Title: Digital Audio Broadcasting DAB Digital Audio Broadcasting
Page Link: Digital Audio Broadcasting DAB Digital Audio Broadcasting -
Posted By: samarora4u
Created at: Thursday 17th of August 2017 05:58:46 AM
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Abstract:
A digital audio broadcasting system that is capable of providing a large number of high quality stereophonic channels to mobile receivers in an environment with severe multipath delay and fading. Optimum combination of frequency and time diversity to guarantee robust performance in the mobile channel, with its multipath delay and frequency-selective fading effects. The system is based upon a dynamic single channel per carrier assignment of each stereo channel to many carriers. Inter symbol interference degradations caused by multipat ....etc
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Title: Audio CAPTCHA Existing solutions assessment and Its Advancements
Page Link: Audio CAPTCHA Existing solutions assessment and Its Advancements -
Posted By: Pushpendra
Created at: Thursday 17th of August 2017 07:57:25 AM
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Seminar Report on Audio CAPTCHA: Existing solutions assessment and It s Advancements
What are CAPTCHAs?
Completely Automated Public Test to Tell Computers and Humans Apart.
Web-based protection mechanisms
Only humans allowed to perform certain tasks
Opening E-mail accounts
Voting on-line, etc.
Prevent automated attacks by bots
To avoid eating up resources
To avoid biasing results, etc.
Most current systems - text-based.
Why there came a need for Captchas???
Preventing Comment Spam in Blogs.
Protect ....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: rockeranto
Created at: Thursday 17th of August 2017 06:23:27 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 widespread applicati ....etc
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Title: audio captcha existing solution assesment and implementation over voip telephony
Page Link: audio captcha existing solution assesment and implementation over voip telephony -
Posted By: mohd Aanzar
Created at: Thursday 05th of October 2017 05:35:26 AM
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Title: An Alternative To Captcha - Video Captcha
Page Link: An Alternative To Captcha - Video Captcha -
Posted By: sandhya mtu
Created at: Thursday 05th of October 2017 04:56:09 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: Space shuttle and its advancements seminar pptSpace shuttle and its advancements semi
Page Link: Space shuttle and its advancements seminar pptSpace shuttle and its advancements semi -
Posted By:
Created at: Saturday 19th of December 2020 05:18:06 PM
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Title: Evaluating Existing Audio CAPTCHAs and an Interface Optimized for Non-Visual Use
Page Link: Evaluating Existing Audio CAPTCHAs and an Interface Optimized for Non-Visual Use -
Posted By: aravind anilkumar
Created at: Thursday 05th of October 2017 04:39:39 AM
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Evaluating Existing Audio CAPTCHAs and an Interface Optimized for Non-Visual Use
INTRODUCTION AND MOTIVATION
The goal of a CAPTCHA1 is to di erentiate humans
from automated agents by requesting the solution to a
problem that is easy for humans but di cult for com-
puters. CAPTCHAs are used to guard access to web re-
sources and, therefore, prevent automated agents
Making CAPTCHAs Accessible
Audio CAPTCHAs were introduced soon after their vi-
sual alternatives , and have be ....etc
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Title: audio captcha seminars report documentation
Page Link: audio captcha seminars report documentation -
Posted By: manikanth87
Created at: Thursday 17th of August 2017 05:31:04 AM
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Thanks & Regards.
Rajendar.B ....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: John Mathew
Created at: Thursday 17th of August 2017 06:10:40 AM
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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: ieee paper audio captcha existing solutions assessment and a new implementation for
Page Link: ieee paper audio captcha existing solutions assessment and a new implementation for -
Posted By: prashant_007
Created at: Thursday 17th of August 2017 05:48:19 AM
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