Perceptual hashing is used for multimedia content identification and authentication through
perception digests based on the understanding of multimedia content. This paper presents a …

Robustness and discrimination are two of the most important objectives in image hashing.
We incorporate ring partition and invariant vector distance to image hashing algorithm for …

In the recent digitization era, image hashing is a key technology, including image
recognition, authentication and manipulation detection, among many multimedia security …

In this paper, a novel perceptual image hashing scheme based on convolutional neural
network (CNN) with multiple constraints is proposed, in which our deep hashing network …

Image encryption is a useful technique of image content protection. In this paper, we
propose a novel image encryption algorithm by jointly exploiting random overlap** block …

Image copy detection is an important technology of copyright protection. This paper
proposes an efficient hashing method for image copy detection using 2D-2D (two-directional …

Biometric image hashing techniques have been widely studied and seen progressive
advancements. However, only a handful of available solutions provide two-factor …

Multidimensional scaling (MDS) is an efficient technique for data analysis, and has been
successfully applied in data visualization, object retrieval, data clustering, and so on …

This paper introduces a new zero-watermarking algorithm based on polar complex
exponential transform (PCET) and logistic map**. This algorithm takes advantage of the …

In recent decades, a large number of perceptual image hashing schemes have been
designed to secure the authenticity and integrity of digital images. However, the feasible …