A review of hashing based image authentication techniques
In the recent digitization era, image hashing is a key technology, including image
recognition, authentication and manipulation detection, among many multimedia security …
recognition, authentication and manipulation detection, among many multimedia security …
Quaternion Fourier transform on quaternion fields and generalizations
EMS Hitzer - Advances in Applied Clifford Algebras, 2007 - Springer
We treat the quaternionic Fourier transform (QFT) applied to quaternion fields and
investigate QFT properties useful for applications. Different forms of the QFT lead us to …
investigate QFT properties useful for applications. Different forms of the QFT lead us to …
Quaternion discrete fractional Krawtchouk transform and its application in color image encryption and watermarking
This paper extends the traditional discrete fractional Krawtchouk transform (DFrKT) with
quaternion theory to quaternion discrete fractional Krawtchouk transform (QDFrKT) for the …
quaternion theory to quaternion discrete fractional Krawtchouk transform (QDFrKT) for the …
Robust image hashing with isomap and saliency map for copy detection
Compression technology for representing image is on demand for efficiently processing
images in the Big Data era. Image hashing is an effective compression technology for …
images in the Big Data era. Image hashing is an effective compression technology for …
Novel fractional-order polar harmonic transforms for gray-scale and color image analysis
A novel set of fractional orthogonal polar harmonic transforms for gray-scale and color
image analysis are presented in this paper. These transforms are divided into two groups …
image analysis are presented in this paper. These transforms are divided into two groups …
Novel fractional-order generic Jacobi-Fourier moments for image analysis
Orthogonal moments were successfully used to extract features from gray-scale and color
images. Recently, scientists show that orthogonal moments of fractional-orders have better …
images. Recently, scientists show that orthogonal moments of fractional-orders have better …
Robust image hashing with singular values of quaternion SVD
Image hashing is an efficient technique of many multimedia systems, such as image
retrieval, image authentication and image copy detection. Classification between robustness …
retrieval, image authentication and image copy detection. Classification between robustness …
Classification of galaxy color images using quaternion polar complex exponential transform and binary Stochastic Fractal Search
Galaxies' studies play an important role in the astronomic. Accurate classification of these
galaxies enables scientists to understand the formation and evolution of the Universe …
galaxies enables scientists to understand the formation and evolution of the Universe …
Reversible color image watermarking using fractional-order polar harmonic transforms and a chaotic sine map
KM Hosny, MM Darwish - Circuits, Systems, and Signal Processing, 2021 - Springer
Watermarking of digital images is a well-known technique that is widely used for securing
image contents. A successful watermarking method must be accurate, reversible, resilient …
image contents. A successful watermarking method must be accurate, reversible, resilient …
LWT-DCT based image hashing for image authentication via blind geometric correction
RK Karsh - Multimedia Tools and Applications, 2023 - Springer
Image authentication based on robust image hashing has been paid large attention by
researchers. However, most of the existing methods are unable to authenticate, if the image …
researchers. However, most of the existing methods are unable to authenticate, if the image …