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Transform Coding
The essence of transform coding is to transform signals from one domain (e.g., time domain) to another domain (e.g., frequency domain) with a set of...
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Watermarking technique for document images using discrete curvelet transform and discrete cosine transform
In this paper, a watermarking technique based on discrete curvelet transform and discrete cosine trans- form is proposed to protect the color...
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All phase discrete cosine biorthogonal transform versus discrete cosine transform in digital watermarking
The field of digital image watermarking has collected considerable attention from researchers and scholars, that eventually presents interesting...
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Image encryption using discrete orthogonal Stockwell transform with fractional Fourier transform
In this article, a new image encryption algorithm has been proposed for image security. This algorithm is created with discrete orthogonal Stockwell...
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3D orientation field transform
Vascular structure enhancement is very useful in image processing and computer vision. The enhancement of the presence of the structures like tubular...
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Mixed-multiple image encryption algorithm using RSA cryptosystem with fractional discrete cosine transform and 2D-Arnold Transform
This paper presents a novel multiple-image encryption (MIE) technique based on mixed image elements associated with RSA cryptosystem, fractional...
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Quadratic Phase Quaternion Domain Fourier Transform
Based on the quaternion domain Fourier transform (QDFT) of 2016 and the quadratic-phase Fourier transform of 2018, we introduce the quadratic-phase...
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Efficient feature transform module
Deep neural networks have achieved impressive success in various applications, but they face challenges when deployed on mobile devices due to...
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Mathematical Properties of Pyramid-Transform-Based Resolution Conversion and Its Applications
In this paper, we aim to clarify the statistical and geometric properties of linear resolution conversion for registration between different...
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FPGA-based implementation of the VVC low-frequency non-separable transform
The Versatile Video Coding (VVC) standard, released in July 2020, brings better coding performance than the High-Efficiency Video Coding (HEVC)...
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Self-encoded chimera transform for digital image representation
During the last decade, there has been an increased focus on representing images using mathematical expressions. The initial stages towards achieving...
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Binary Wavelet Transform-Based Financial Text Image Authentication Algorithm
AbstractThis paper presents a novel financial text image security authentication algorithm based on binary wavelet transform. Initially, the...
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Enhanced brain tumour detection and localization using ridgelet transform in MRI
The early detection and localization of brain tumours in magnetic resonance imaging (MRI) data play a pivotal role in diagnosis and therapy planning....
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Guided Scale Space Radon Transform for linear structures detection
Using integral transforms to the end of lines detection in images with complex background makes the detection a hard task needing additional...
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Arbitrary style transfer system with split-and-transform scheme
For the subject of arbitrary image style transfer, there have been some proposed architectures that directly compute the transformation matrix of the...
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A robust blind color watermarking algorithm based on the Radon-DCT transform
Digital watermarking is an effective technique for image copyright protection. Many digital image watermarking algorithms are sensitive to geometric...
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Discrete combined fractional Fourier transform and its application to image enhancement
Many generalizations of the Fourier transform (FT) have been introduced in the literature, including fractional Fourier transform (FrFT) and linear...
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End-to-end optimized image compression with the frequency-oriented transform
Image compression constitutes a significant challenge amid the era of information explosion. Recent studies employing deep learning methods have...
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Fractional Fourier transform in spherical polar coordinates
The fractional Fourier transform (FRFT) is a generalized form of the Fourier transform (FT), and it is another important class of time-frequency...
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Color image encryption based on discrete trinion Fourier transform and compressive sensing
To protect visual content in color images, this paper presents an encryption method by employing discrete trinion Fourier transform and compressive...
