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Articles 73591 - 73620 of 1114311
Full-Text Articles in Entire DC Network
Robust Image Watermarking Based On Schur Decomposition, Ahmad Toha, Ferda Ernawan, Agit Amrullah
Robust Image Watermarking Based On Schur Decomposition, Ahmad Toha, Ferda Ernawan, Agit Amrullah
Iraqi Journal for Computer Science and Mathematics
The advanced of internet technology allows unauthorized people to distribute multimedia data. Copyright protection for digital images is needed to protect the intellectual properties of the digital image. This study presents a colour image watermarking using schur decomposition for protecting the digital copyright. This study investigates the significant contribution of the orthogonal U of schur decomposition with the size of 8´8 pixels. The proposed scheme embeds a watermark on the (U2, U6) of the U matrix to achieve high invisibly and robustness of the embedded watermark. The relationship of each coefficient on the U matrix …
Image Watermarking Using Firefly Algorithm–Iwt-Svd For Copyright Protection, Anjahul Khuluq, Ferda Ernawan, Agit Amrullah, Mohd Arfian Ismail
Image Watermarking Using Firefly Algorithm–Iwt-Svd For Copyright Protection, Anjahul Khuluq, Ferda Ernawan, Agit Amrullah, Mohd Arfian Ismail
Iraqi Journal for Computer Science and Mathematics
Image watermarking is a technique used to ensure the legitimacy of ownership by safeguarding images. This research presented the Firefly algorithm–IWT-SVD to enhance resistance and robustness performance against different type of attacks. The cover image is split into blocks of 4×4 pixels, and each block is then computed by IWT-SVD. The Firefly algorithm is used to determine the appropriate scaling factor to incorporate the watermark using a predefined set of principles. The watermarked images have been evaluated under various attacks such as noise addition, filtered image, compressed image and scaled image. The experimental results demonstrate exceptional imperceptibility, with an average …
Robust Image Watermarking Based On Iwt-Dct-Svd For Copyright Protection, Syafiqul Shubuh, Ferda Ernawan, Agit Amrullah, Prajanto Wahyu
Robust Image Watermarking Based On Iwt-Dct-Svd For Copyright Protection, Syafiqul Shubuh, Ferda Ernawan, Agit Amrullah, Prajanto Wahyu
Iraqi Journal for Computer Science and Mathematics
The rapid advancement of technology has resulted in many intellectual works, in the form of images requiring copyright protection to prevent unauthorized use by irresponsible parties. This research examines the hybrid watermarking method that utilises IWT-DCT-SVD domain to enhance the durability of the embedded watermark. The host image is used as the input for the R-Level process, if the watermark logo is small, then the cover image is computed by 3-level of IWT. Whereas, the watermark logo has a large size, the cover image is then computed by 1-level of IWT. The watermark logo is embedded into the singular value …
Automated Fake News Detection System, Saja A. Al-Obaidi, Tuba Çağlıkantar
Automated Fake News Detection System, Saja A. Al-Obaidi, Tuba Çağlıkantar
Iraqi Journal for Computer Science and Mathematics
Online news has been the majority of people’s information source in recent decades. However, a lot of the information that is accessible online is fake and sometimes even designed to mislead. It might be difficult for individuals to distinguish between certain false newspaper items and the real ones since they are so similar. Deep learning (DL) and machine learning (ML) models, among other automated false news detection (FND) techniques, are quickly becoming essential. A comparative study was conducted to analyze the performance of five prominent deep learning models across four distinct datasets, namely ISOT, FakeNewsNet, Dataset1, and Dataset2. Results indicated …
Posinormality Of Operators Treated By Weyl's Theorem On Unbounded Hilbert Space, Abbas G. Rajij, Dalia S. Ali, Huseyin Cakalli, Nadia M. G. Al-Saidi
Posinormality Of Operators Treated By Weyl's Theorem On Unbounded Hilbert Space, Abbas G. Rajij, Dalia S. Ali, Huseyin Cakalli, Nadia M. G. Al-Saidi
Iraqi Journal for Computer Science and Mathematics
Hamiltonians, momentum operators, and other quantum-mechanical perceptible take the form of self-adjoint operators when understood in quantized physical schemes. Unbounded and self-adjoint recognition are required in the situation of positive measurements. The selection of the proper Hilbert space(s) and the selection of the self-adjoint extension must be made in order for this to operate. In this effort, we define a new extension positive measure depending on the measurable field of nonzero positive self-adjoint operator in unbounded Hilbert space of analytic functions of complex variables. Consequently, we define an extension norm in the same space. We show several new properties of …
Why Should Universities Contribute To New Utopias?, Geert Bouckaert
Why Should Universities Contribute To New Utopias?, Geert Bouckaert
Budhi: A Journal of Ideas and Culture
What would the ideal society look like, and its university? In 1516 the English humanist Thomas More tried his hand at imagining a perfect society on a distant island. His Utopia was first published in the Flemish town of Leuven, home of a university that was established almost a century earlier in 1425. Five hundred years later, university scholars revisit More’s exercise in an interdisciplinary range of science-based utopias.1 Like More’s Utopia, later and new utopias have to be read in the light of their own times. Utopias are connected to and embedded in their social realities. They belong to …
Are Secular Politics Possible?, Gregory C. Melleuish, Susanna G. Rizzo
Are Secular Politics Possible?, Gregory C. Melleuish, Susanna G. Rizzo
Budhi: A Journal of Ideas and Culture
Contemporary political analysis makes a distinction between politics that are secular in nature and politics that are religiously based. This article questions whether there is such a thing as secular politics. Firstly, it examines the roots of the secular/religious dichotomy in Western thought and concludes that it is the creation of particular intellectual developments in the West. And then it argues that modern politics is best viewed in terms of a number of “sacred projects” that are generated out of the supposedly secular nature of the modern West. There can be no real politics without such projects, only administration. Even …
Christianity's Paradox: Chesterton After Kierkegaard, Peter Murphy
Christianity's Paradox: Chesterton After Kierkegaard, Peter Murphy
Budhi: A Journal of Ideas and Culture
A convert to Catholicism, G.K. Chesterton was a leading intellectual of the British Edwardian age and one of the important social and religious thinkers of the twentieth century. His trademark was paradox. He wrote in defense of the imagination and the corralling of opposites, oppositions, contradictions, and bountiful inconsistencies. The article explores Chesterton’s views on faith, religion, God, Christianity, Islam, modernity, change, and progress. It locates him in a philosophical stream that sees laughter and comedy as a religious disguise, paradox as a creative force, and the imagination as a necessary complement of reason. This is framed by a discussion …
The Practice Of Hermeneutics: The Legal Text And Beyond, George H. Taylor
The Practice Of Hermeneutics: The Legal Text And Beyond, George H. Taylor
Budhi: A Journal of Ideas and Culture
This article attempts to show the continuing practical relevance of hermeneutics through the example of legal interpretation. The article begins with the very concrete nature of legal hermeneutics that forms everyday legal practice—the interrelation of meaning and application— and expands at a more theoretical to show how legal hermeneutics, and hermeneutics more generally, offers what Ricoeur calls an interpretive “choice in favor of meaning.” The choice in favor of meaning underscores the restorative character of hermeneutics that legal hermeneutics can epitomize. The article concludes with some of the challenges facing contemporary legal hermeneutics.
Exemplarity And The "Law Of Superabundance", Roger W. H. Savage
Exemplarity And The "Law Of Superabundance", Roger W. H. Savage
Budhi: A Journal of Ideas and Culture
Paul Ricoeur’s critique of social emancipatory projects that claim to be absolutely radical sets the stage for my investigation into the exemplary value of esteemed moral and political acts. Like works of art, such acts reform or revolutionize praxis through refashioning the world from within. By placing textual hermeneutics under the theme of the increase in being evinced by the work of art, Ricoeur’s analysis on the way that metaphor as a work in miniature iconically augments reality forges a link between the imagination’s productive power and the “law of superabundance.” This law inheres in the logic of hope. The …
The Utah Statesman, November 25, 2024, Utah State University
The Utah Statesman, November 25, 2024, Utah State University
The Utah Statesman
Weekly student newspaper of Utah State University in Logan.
Data-Driven Quality Improvement For Sustainability In Automotive Packaging Systems, Tyler Mcknight
Data-Driven Quality Improvement For Sustainability In Automotive Packaging Systems, Tyler Mcknight
Morehead State Theses and Dissertations
A thesis presented to the faculty of the College of Science and Engineering at Morehead State University in partial fulfillment of the requirements for the Degree Master of Science by Tyler McKnight on November 25, 2024.
Resilience Of A Palestinian University Instructor Surviving War: A Grounded Theory Study, Hassan El-Nabih, Sadek Firwana
Resilience Of A Palestinian University Instructor Surviving War: A Grounded Theory Study, Hassan El-Nabih, Sadek Firwana
An-Najah University Journal for Research - B (Humanities)
This qualitative study addressed the devastating impacts of war on civilians by giving voice to a Palestinian university instructor who had a life-threatening experience during the Israeli aggressive war on the Gaza Strip in 2014. The data for the study were gathered from two different sources: (i) a narrative written by the instructor shortly after his recovery and (ii) a semi-structured interview conducted with him three years after this harrowing event. In order to explore and theorize the salient themes in the data, we adopted a three-phase grounded theory methodology. The initial coding phase yielded 30 important codes, which were …
2024-11-25 Executive Board Meeting Minutes, Morehead State University. Student Government Association.
2024-11-25 Executive Board Meeting Minutes, Morehead State University. Student Government Association.
Student Government Association Records
Meeting minutes of the Student Government Association Executive Board from November 25, 2024.
Covid 19 Is A Hoax, Vidushi Sharma '28
Covid 19 Is A Hoax, Vidushi Sharma '28
Best First-Year Seminar Writing
When COVID-19 first swept across the globe, it brought more than just a viral contagion—it sparked an epidemic of misinformation. Among the various conspiracy theories, one stands out for its audacity: the claim that COVID-19 does not exist. This theory undermines public health efforts, sows mistrust, and complicates crisis management. But why do people believe it, and what makes such narratives so compelling? More importantly, how can we combat this damaging misinformation? This essay explores the origins of the "COVID-19 doesn't exist" conspiracy, examines its three main iterations—denial of the virus’s existence, claims of government overreach, and accusations of corporate …
3d Reconstruction Of Surface Temperature Field In Spontaneous Combustion Coal Gangue Dump Fire Area And Its Practice, Shao Zhenlu, Zhang Huisong, Deng Rong, Yang Tong, Ma Dong
3d Reconstruction Of Surface Temperature Field In Spontaneous Combustion Coal Gangue Dump Fire Area And Its Practice, Shao Zhenlu, Zhang Huisong, Deng Rong, Yang Tong, Ma Dong
Coal Geology & Exploration
Objective The spontaneous combustion of coal gangue dumps has severely damaged the ecological environment and affected the production safety, which has become a bottleneck in the process of ecological civilization construction in China. In order to formulate a fire extinguishing plan and implement a fire extinguishing project, it is very important to accurately detect the fire area of the spontaneous combustion coal gangue dump. Methods Herein, the idea of detecting the three-dimensional distribution of high-temperature areas using unmanned aerial vehicle (UAV) based thermal infrared oblique photogrammetry technology was proposed. Meanwhile, the multi-scale Gaussian filtering detail enhancement technology for thermal infrared …
Impacts And Regulation Mechanisms Of Phase-Change Wall Microspheres On Cement Slurry Performance In Well Cementing, Zheng Mingming, Wu Zurui, Yan Shichun, Hu Yunpeng, He Juan, Zhang Yawei, Xiong Liang, Zhu Chengtao
Impacts And Regulation Mechanisms Of Phase-Change Wall Microspheres On Cement Slurry Performance In Well Cementing, Zheng Mingming, Wu Zurui, Yan Shichun, Hu Yunpeng, He Juan, Zhang Yawei, Xiong Liang, Zhu Chengtao
Coal Geology & Exploration
Objective The current design of low-heat cement slurries prepared by adding microspheres with phase change materials as wall materials for well cementing in strata bearing natural gas hydrates (NGHs) fails to fully account for the impacts of the particle size and mass fraction of the microspheres on the performance of cement slurries. This leads to impaired cement slurry performance and increased costs, further inducing many problems with well cementing quality. Hence, it is significant to analyze the impacts and controlling mechanisms of the microspheres on cement slurry performance. Methods To eliminate the interference of the heat storage effect of the …
The Off-Grid Revolution And The "Promise" Of Energy Equality Under The Paris Climate Change Agreement, Ilias Bantekas
The Off-Grid Revolution And The "Promise" Of Energy Equality Under The Paris Climate Change Agreement, Ilias Bantekas
Northwestern Journal of Human Rights
A key thesis of this article is that since renewable energy is quintessentially a public good both in constitutional and macroeconomic terms, its availability without restrictions to all people is a true manifestation of economic self-determination, ultimately entailing what this author calls “energy equality.” Although this equality is dictated by the nature of renewable energy as a public good, it risks being eroded by the rush to implement the Paris Agreement. This is certainly one of the shortcomings of the Paris Agreement. With nation states eager to meet their targets and energy concessionaires given unprecedented financial and other incentives, we …
Week Of November 25, 2024, Student Life
Week Of November 25, 2024, Student Life
College, School and Department Newsletters, Magazines, and Journals
No abstract provided.
Design Method For Active Slope Reinforcement: A Case Study Of Excavated Slopes, Qin Hui, Yin Xiaotao, Tang Hua, Cheng Xu
Design Method For Active Slope Reinforcement: A Case Study Of Excavated Slopes, Qin Hui, Yin Xiaotao, Tang Hua, Cheng Xu
Coal Geology & Exploration
Objective Slope instability and failure exhibit extinct spatiotemporal characteristics. Existing design methods for passive reinforcement have resulted in the engineering instability of numerous excavated slopes. Therefore, analyzing the spatiotemporal evolutionary patterns of slopes during excavation and exploring the design methods for active slope reinforcement are particularly important for the information technology (IT)-based construction and safety control of slopes. Methods Using on-site investigations and numerical simulations, this study analyzed the causes of excavation-induced failure of high slopes, as well as the evolutionary pattern of the principal stresses in the sliding zone. Consequently, this study revealed the progressive failure mechanism of slopes …
Natural Gamma-Ray Log-Derived Heat Production Rates Of Strata And Lithospheric Thermal Structure In The Central Depression, Yinggehai Basin, Zhang Jiahao, Song Rongcai, Zheng Feng, Zhang Yan, Tang Xin, Li Bo, Dong Shuyi
Natural Gamma-Ray Log-Derived Heat Production Rates Of Strata And Lithospheric Thermal Structure In The Central Depression, Yinggehai Basin, Zhang Jiahao, Song Rongcai, Zheng Feng, Zhang Yan, Tang Xin, Li Bo, Dong Shuyi
Coal Geology & Exploration
Objective Understanding the lithospheric thermal structure is significant for exploring the dynamics of a basin's thermal evolution, as well as for the assessment, exploitation, and utilization of geothermal resources in a basin. However, the limited data on heat production in the Yinggehai Basin has constrained research into the lithospheric thermal structure of the basin. Methods Using natural gamma-ray (NGR) logs from 23 wells in the Yinggehai Basin, this study calculated the heat production rates of strata in the central depression using the fitted gamma-ray value (GR) - radiogenic heat production rate (A) empirical formula. Based on the ocean …
Lindquist '26 Contributes To Quantum Research At Argonne National Laboratory, Julia Perez
Lindquist '26 Contributes To Quantum Research At Argonne National Laboratory, Julia Perez
News and Events (Discontinued Series)
No abstract provided.
Table Of Contents, The Editors
An Improved Conditional Integrator Sliding Mode Controller Based On Swarm Intelligence For A Magnetic Levitation System, Abdelkader Kerraci, Mohamed Fayçal Khelfi, Zoubir Ahmed-Foitih
An Improved Conditional Integrator Sliding Mode Controller Based On Swarm Intelligence For A Magnetic Levitation System, Abdelkader Kerraci, Mohamed Fayçal Khelfi, Zoubir Ahmed-Foitih
Turkish Journal of Electrical Engineering and Computer Sciences
This paper proposes an enhanced Conditional Integrator Sliding Mode Controller using Particle Swarm Optimization (CISMCPSO) for a magnetic levitation system (MLS). The main advantage of this controller is its robustness to uncertainties and disturbances, which also avoids chattering and ensures zero static steady-state error. The main idea of CISMCPSO is to activate its integral action only when the sliding surface reaches the boundary layer while it is reduced to zero or close to zero elsewhere, which avoids destroying the transient response caused by the conventional integral sliding-mode controller. A particle swarm optimization algorithm schedules the conditional integral term parameter of …
Cover And Contents
Turkish Journal of Electrical Engineering and Computer Sciences
No abstract provided.
Uniform 3d Scattering Point Model For Simulating The Dynamic Radar Echo From Wind Farm, Bo Tang, Zhendong Zhu, Zhiyu Shang, Huanghai Xie, Feng Wang, Jiaxu Chen
Uniform 3d Scattering Point Model For Simulating The Dynamic Radar Echo From Wind Farm, Bo Tang, Zhendong Zhu, Zhiyu Shang, Huanghai Xie, Feng Wang, Jiaxu Chen
Turkish Journal of Electrical Engineering and Computer Sciences
The calculation scale of simulating wind farm dynamic radar echo is gradually growing with the increasing scale of wind farms, which can hardly meet the requirements of real-time radar echo simulation. Considering that the method of surface element division can greatly influence the result of simulation, uniform surface element division is applied to accelerate the traditional simulation algorithm based on the refined 3D scattering point model and enhance the main characteristics of the radar echo. The solution time of dynamic radar echoes from 1-8 wind turbines is calculated to test the average speed that the uniform 3D scattering point model …
Developing Linguistic Patterns To Mitigate Inherent Human Bias In Offensive Language Detection, Toygar Tanyel, Besher Alkurdi, Serkan Ayvaz
Developing Linguistic Patterns To Mitigate Inherent Human Bias In Offensive Language Detection, Toygar Tanyel, Besher Alkurdi, Serkan Ayvaz
Turkish Journal of Electrical Engineering and Computer Sciences
With the proliferation of social media, there has been a sharp increase in offensive content, particularly targeting vulnerable groups, exacerbating social problems such as hatred, racism, and sexism. Detecting offensive language use is crucial to prevent offensive language from being widely shared on social media. However, the accurate detection of irony, implication, and various forms of hate speech on social media remains a challenge. Natural language-based deep learning models require extensive training with large, comprehensive, and labeled datasets. Unfortunately, manually creating such datasets is both costly and error-prone. Additionally, the presence of human-bias in offensive language datasets is a major …
A Cascade Genetic Algorithm Based Adaptive Backstepping Impedance Control For Upper Limb Rehabilitation Robot, Mawloud Aichaoui, Ameur Ikhlef
A Cascade Genetic Algorithm Based Adaptive Backstepping Impedance Control For Upper Limb Rehabilitation Robot, Mawloud Aichaoui, Ameur Ikhlef
Turkish Journal of Electrical Engineering and Computer Sciences
This paper proposes a novel cascade impedance control architecture designed for the upper limb exoskeleton rehabilitation robot. The proposed architecture comprises two parts: Firstly, the impedance reference trajectory is shaped from the desired trajectory utilizing the desired impedance model and feedback contact torques. The second part of the proposed controller is an adaptive backstepping control, responsible for tracking the generated impedance reference trajectory. Notably, the proposed adaptive backstepping impedance controller is non-model-based control approach, eliminating the need for the robot's model. Furthermore, a genetic algorithm is employed as an offline tuning method for the inner position loop controller, namely the …
A New Dxccdita Based Meminductor Emulator And Its Application In Chaotic Oscillator, Bhawna Aggarwal, Shireesh Kumar Rai, Harsh Jain
A New Dxccdita Based Meminductor Emulator And Its Application In Chaotic Oscillator, Bhawna Aggarwal, Shireesh Kumar Rai, Harsh Jain
Turkish Journal of Electrical Engineering and Computer Sciences
This work introduces a new dual-X current conveyor differential input transconductance amplifier (DXCCDITA) based meminductor emulator, alongside its application in chaotic oscillator has also been presented. To realize the designed meminductor emulator, one DXCCDITA, two resistors, and two capacitors are employed. Pinched hysteresis loops are achieved across a wide frequency range spanning from 100 Hz to 1.5 MHz, encompassing both decremental and incremental topologies. Additionally, the proposed circuit offers the flexibility to switch between incremental and decremental configurations using a simple switch. Through examination of non-volatility and transient responses, the efficiency of the presented emulator is evidently demonstrated. To further …
A Surface-Based Approach For 3d Approximate Convex Decomposition, Onat Zeybek Kuşkonmaz, Yusuf Sahi̇lli̇oğlu
A Surface-Based Approach For 3d Approximate Convex Decomposition, Onat Zeybek Kuşkonmaz, Yusuf Sahi̇lli̇oğlu
Turkish Journal of Electrical Engineering and Computer Sciences
Approximate convex decomposition enables the simplification of complex shapes into manageable convex components. In this work, we propose a novel surface-based method to achieve this which leads to efficient computation times and sufficiently convex results while avoiding over-approximating the input model. We start approximation using mesh simplification. Then we iterate over the surface polygons of the mesh and divide them into convex groups. We utilize planar and angular equations to determine suitable neighboring polygons for inclusion in forming convex groups. To ensure our method outputs a sufficient result for a wide range of input shapes, we run multiple iterations of …