منابع مشابه
Image Steganography: Concepts and Practice
In the last few years, we have seen many new and powerful steganography and steganalysis techniques reported in the literature. In the following tutorial we go over some general concepts and ideas that apply to steganography and steganalysis. We review and discuss the notions of steganographic security and capacity. Some of the more recent image steganography and steganalysis techniques are ana...
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The emergence of re-conceptualism in the field of curriculum studies caused a large rotation of identity in this field. The book titled "understanding of curriculum" by William Pinar may be considered the most outstanding work in the field. In this book, movement which affected pre re-conceptualist, are introduced as the traditional type and it is believed the new curriculum discourses should b...
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Background and objective: Most higher education curricula do not provide the competencies graduates need in the occupational fields, resulting in waste of money and lower effectiveness while increasing the number of unemployed graduates. Competency-based education is an innovative educational model that can solve such problems and lead education activists to design competency-based curricula. T...
متن کاملImage Steganography and Steganalysis: Concepts and Practice
In the last few years, we have seen many new and powerful steganography and steganalysis techniques reported in the literature. In the following paper we go over some general concepts and ideas that apply to steganography and steganalysis. Specifically we establish a framework and define notion of security for a steganographic system. We show how conventional definitions do not really adequatel...
متن کاملToward a theory of Steganography
Informally, steganography refers to the practice of hiding secret messages in communications over a public channel so that an eavesdropper (who listens to all communications) cannot even tell that a secret message is being sent. In contrast to the active literature proposing new concrete steganographic protocols and analysing flaws in existing protocols, there has been very little work on forma...
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ژورنال
عنوان ژورنال: Informatyka Automatyka Pomiary w Gospodarce i Ochronie Środowiska
سال: 2019
ISSN: 2083-0157,2391-6761
DOI: 10.5604/01.3001.0013.0910