In many practical scenarios, image encryption has to be conducted prior to image
compression. This has led to the problem of how to design a pair of image encryption and …

In this paper, a novel image compression–encryption hybrid algorithm is proposed. First, a
Gauss random matrix and a random scrambling matrix are generated by using Chebyshev …

This paper presents a review of the compression technique in digital image processing. As
well as a brief description of the main technologies and traditional format that commonly …

The rising popularity of social networks and cloud computing has greatly increased a
number of JPEG compressed image exchanges. In this context, the security of the …

This paper presents a lossy compression technique for encrypted images using Discrete
Wavelet Transform (DWT), Singular Value Decomposition (SVD) and Huffman coding. The …

The problem of lossy compression of encrypted image data is considered in this paper. A
method is proposed to achieve compression of the encrypted image data based on …

The feasibility of lossless compression of encrypted images has been recently demonstrated
by relying on the analogy with source coding with side information at the decoder. However …

We present a framework for compressing encrypted media, such as images and videos.
Encryption masks the source, rendering traditional compression algorithms ineffective. By …

This paper proposes a novel scalable compression method for stream cipher encrypted
images, where stream cipher is used in the standard format. The bit stream in the base layer …

Compression of encrypted data is possible by using distributed source coding. In this paper,
we consider the encryption, followed by lossless compression of gray scale and color …