Abstract
Many digital services require reliable security in storage and transmission of digital images. Due to the rapid growth of theinternet in the digital world today, the security of digital images has become more important and attracted much attention. The prevalenceof multimedia technology in our society has promoted digital images to play a more significant role than the traditional texts, whichdemand serious protection of users' privacy for all applications. Encryption techniques of digital images are very important and should beused to frustrate unauthorized access from opponents. In this paper a new approach is proposed for partial encryption in digital imagebased on dragging the longest wavelength color in digital image then input the extract color to the plasma encoding algorithm to havepartial ciphered image that can be deciphered at the recipient side using the proposed retrieve algorithm. It is possible to apply multilevelfor the proposed approach to increase the security level with less time for encryption/decryption. The new approach test appeared that theencryption/decryption processes was very flexible and efficient.
Highlights
With advancements in Digital communication technology the information security takes place as an important role
Image encryption plays a significant role in the field of information hiding
In the following some examples of images that show the results of implementing the proposed plasma encoding algorithms on different level of security
Summary
With advancements in Digital communication technology the information security takes place as an important role. Information security is becoming more important in data storage and transmission. Images are widely used in several processes; the protection of image data from unauthorized access is important. Image encryption plays a significant role in the field of information hiding. Image hiding or encrypting methods and algorithms range from simple spatial domain methods to more complicated and reliable frequency domain ones [1]. A new transformation algorithm is proposed for image security using a combination of plasma and fractal image addition encoding techniques. This algorithm will be used as an encryption transform to confuse the relationship between the original images and the generated ones. Experimental results have shown that the proposed method offers a good concealment of the data in the encrypted image, reduces the chance of the encrypted image being detected
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