Hidden Pictures Pdf
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Emerging Trends in ICT Security
Author: Leonidas Deligiannidis
language: en
Publisher: Elsevier Inc. Chapters
Release Date: 2013-11-06
Every day, people interact with numerous computer systems, networks, and services that require the exchange of sensitive data. However, the Internet is a highly distributed system operated by many different entities and as such should not be trusted by end users. Users, whether consumers or businesses, retain no control over how their information is routed among the many networks that comprise the Internet. Therefore, there is a strong need for cryptographic protocols to authenticate, verify trust, and establish a secure channel for exchanging data. This chapter presents a series of projects and demonstrations for systems and networking professionals who want to increase their comprehension of security concepts and protocols. The material presented here is derived from existing courses taught by the authors in the areas of cryptography, network security, and wireless security.
Magic eye
Magic eye viewing instructions : all you need to 'see' the 3D illusion on the front cover are your two eyes and some patience ! One easy way to do this is to hold the book right up to your nose. The Magic eye image should be blurry. Focus as though you are looking though the image into the distance. Very slowly move the book away from your face until you begin to see depth. Now hold the book still, try to blink, and the 3D hidden image will magically appear.
Electromagnetic and Acoustic Wave Tomography
This book discusses the development of radio-wave tomography methods as a means of remote non-destructive testing, diagnostics of the internal structure of semi-transparent media, and reconstruction of the shapes of opaque objects based on multi-angle sounding. It describes physical-mathematical models of systems designed to reconstruct images of hidden objects, based on tomographic processing of multi-angle remote measurements of scattered radio and acoustic (ultrasonic) wave radiation.