What is it about?

As in recent years digital data transmission and image application have been increasing, maintaining secure transmission of image is of high importance. Image Encryption is implemented to achieve security on image applications. This paper exhibits a survey on various existing image encryption techniques. The paper mainly focuses on two types: Image encryption with Key(s) and Image Encryption without Key(s). In addition it also describes several properties of a good image encryption technique. The paper presents a survey of most popular algorithms and research papers that are related with different image encryption techniques.

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Why is it important?

We have described the importance of image encryption and how visual cryptography differs from traditional cryptography.This review also suggests some of the test and analysis needed to analyze the robustness of image encryption

Perspectives

This publication gives clear guidelines for designing a good security system for images.

Ranjan Kumar H S
NMAM Institute of Technology

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This page is a summary of: A Survey on Key(s) and Keyless Image Encryption Techniques, Cybernetics and Information Technologies, November 2017, De Gruyter,
DOI: 10.1515/cait-2017-0046.
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