Detection of Focal and Non-Focal Electroencephalogram Signals Using Fast Walsh-Hadamard Transform and Artificial Neural Network [PDF]
Sensors, 2020 The discrimination of non-focal class (NFC) and focal class (FC), is vital in localizing the epileptogenic zone (EZ) during neurosurgery. In the conventional diagnosis method, the neurologist has to visually examine the long hour electroencephalogram ...
Prasanna J. +6 more
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A novel blockchain-watermarking mechanism utilizing interplanetary file system and fast walsh hadamard transform [PDF]
iScienceSummary: This article proposes a new digital watermarking mechanism based on the Ethereum blockchain, Smart Contract, and Interplanetary File System (IPFS), with an enhanced Fast Walsh Hadamard Transform (FWHT) algorithm for watermark embedding and ...
Tong Liu +4 more
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An audio encryption scheme based on Fast Walsh Hadamard Transform and mixed chaotic keystreams [PDF]
Applied Computing and Informatics, 2023 This paper introduces an audio encryption algorithm based on permutation of audio samples using discrete modified Henon map followed by substitution operation with keystream generated from the modified Lorenz-Hyperchaotic system.
F.J. Farsana, V.R. Devi, K. Gopakumar
doaj +5 more sources
Registration of Brain Images using Fast Walsh Hadamard Transform
International Journal of Computer Applications, 2010 A lot of image registration techniques have been developed with great significance for data analysis in medicine, astrophotography, satellite imaging and few other areas. This work proposes a method for medical image registration using Fast Walsh Hadamard transform. This algorithm registers images of the same or different modalities.
Sasikala, D., Neelaveni, R.
core +4 more sources
Computationally Efficient Robust Color Image Watermarking Using Fast Walsh Hadamard Transform [PDF]
Journal of Imaging, 2017 Watermark is the copy deterrence mechanism used in the multimedia signal that is to be protected from hacking and piracy such a way that it can later be extracted from the watermarked signal by the decoder.
Suja Kalarikkal Pullayikodi +3 more
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Blind Watermarking of Color Medical Images Using Hadamard Transform and Fractional-Order Moments [PDF]
Sensors, 2021 This paper proposes a new blind, color image watermarking method using fast Walsh–Hadamard transformation (FWHT) and multi-channel fractional Legendre–Fourier moments (MFrLFMs). The input host color image is first split into 4 × 4 non-interfering blocks,
Mostafa M. Abdel-Aziz +3 more
doaj +2 more sources
DIAROP: Automated Deep Learning-Based Diagnostic Tool for Retinopathy of Prematurity [PDF]
Diagnostics, 2021 Retinopathy of Prematurity (ROP) affects preterm neonates and could cause blindness. Deep Learning (DL) can assist ophthalmologists in the diagnosis of ROP.
Omneya Attallah
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Pauli decomposition via the fast Walsh-Hadamard transform
New Journal of PhysicsThe decomposition of a square matrix into a sum of Pauli strings is a classical pre-processing step required to realize many quantum algorithms. Such a decomposition requires significant computational resources for large matrices. We present an exact and
Timothy N Georges +3 more
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A Framework for Lung and Colon Cancer Diagnosis via Lightweight Deep Learning Models and Transformation Methods [PDF]
Diagnostics, 2022 Among the leading causes of mortality and morbidity in people are lung and colon cancers. They may develop concurrently in organs and negatively impact human life.
Omneya Attallah +2 more
doaj +2 more sources
Design and Implementation of Sequency-Ordered Fast Walsh-Hadamard Transform (FWHT) in WCDMA
Tikrit Journal of Engineering Sciences, 2013 This paper presents the implementation of the Fast Walsh Hadamard Transform (FWHT) in sequence ordered method, in order to minimize the interference due to two users trying to transmit at the same time, and an attempt has made to simulate them.
Safaa M. Z. Al-Ubaidi
doaj +3 more sources