digital copyright crwaling

8/4/2019 Digital Copyright Crwaling

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GURU NANAK INSTITUTE OF ENGINEERING AND TECHNOLOGY

PROJECT GUIDE PROF NITINRAUT

PROJECT MEMBERS- AKASHYEDALWAR

MANINDER SINGH

VIRDI

PRATIK DURUPKAR

DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING

NOVEL APPROACH FOR DATA

AUTHENTICATION AND LEAKAGEDETECTION


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Digital WatermarkingDefinition: A digital watermark is a

digital signal or pattern inserted into a

digital document such as text, graphics

or multimedia, and carries information

unique to the copyright owner, the

creator of the document or theauthorized consumer.


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Digital Watermark ClassificationyBased on visibility of watermarks

-Visible Watermarks

- Invisible Watermarks

yBased on the content to be watermarked

- Text Watermarking

- Image, Audio, Video Watermarking


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Techniquesy Spatial Watermarking: Just change some of the values of the pixels in

the lower bit plane; e.g., Change some of the bits from 1 to 0 or 0 to 1.

y Frequency Domain Watermarking: First convert the image to thefrequency domain and then apply the watermark in the low frequencyregions.


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Digital Watermarking Applicationsy Ownership Assertion

y Fingerprinting

y Authentication & integrity verification

y Content labelingy Usage control & Copy protection

y Content Protection


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Techniques for Texts

Text Line Coding: Change the spacing

between lines.

Word-shift Coding: Change the spacing

between words.

Character Encoding: Alter the shapes ofcharacters.


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Text line coding example


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Word-shift coding example


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Tracking on CopyrightMarking Systems


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y Web crawler, spider.

y Definition:y

A Web crawler is a computer program that browses the WorldWide Web in a methodical, automated manner. (Wikipedia)

y Utilities:y Gather pages from the Web.

y Support a search engine, perform data mining and so on.

y Object:y Text, video, image and so on.

y Link structure.

ABOUT


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Web crawlers for watermarksyApplication

y Web crawler download images

y Check whether they contain a watermark

y Produce reports for copyright owners

e.g. MarcSpider by Digimarc, Portland, OR


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SYSTEM DESIGN


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XP Model (Extreme

Programming)y Extreme Programming is a software development methodology which is

intended to improve software quality and responsiveness to changingcustomer requirements. It advocates frequent releases in shortdevelopment cycles.

y Extreme Programming emphasizes teamwork. Managers, customers, and

developers are all equal partners in a collaborative team. ExtremeProgramming implements a simple, yet effective environment enablingteams to become highly productive. The team self-organizes around theproblem to solve it as efficiently as possible.

y Extreme Programmers constantly communicate with their customers andfellow programmers. They keep their design simple and clean. They getfeedback by testing their software starting on day one. They deliver thesystem to the customers as early as possible and implement changes assuggested. With this foundation Extreme Programmers are able torespond to changing requirements and technology.


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Time SchedulingPHASES DAYS DATES

Analysis 30 days 21/07 -- 10/08

Planning & Modeling 15days 12/08 -- 24/08

Interface Design 20days 25/08 -- 05/09

Testing & Client App 10days 06/09 -- 16/09

Water Marking

(embedding secret Keys)

Module

30days 16/09 -- 16/10

Testing & Client App 10days 16/10 -- 26/10

Crawler Module 30days 27/10 -- 05/12

Testing & App 10days 06/12 -- 16/12

Database Module 15days 16/01 -- 31/01

Testing & Client App &

Release

30days 01/02 -- 30/02


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REFERENCESy ieeeproject.in

y ilpubs.stanford.edu

y attrition.orgy sciweavers.org


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THANK YOU

digital copyright crwaling

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