| viXra.org > Digital Signal Processing > 2004 |
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| viXra.org > Digital Signal Processing > 2004 |
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[12] viXra:2004.0697 [pdf] submitted on 2020-04-30 12:22:32
Authors: Afrin Hussain, M. N. Nachappa
Comments: 3 Pages.
As a fast web framework is being created and individuals are informationized, even the budgetary undertakings are occupied with web field. In PC organizing, hacking is any specialized exertion to control the ordinary conduct of system associations and associated frameworks. The current web banking framework was presented to the threat of hacking and its result which couldn't be overlooked. As of late, the individual data has been spilled by a high-degree technique, for example, Phishing or Pharming past grabbing a client's ID and Password. Along these lines, a protected client affirmation framework gets considerably more fundamental and significant. Right now, propose another Online Banking Authentication framework. This confirmation framework utilized Mobile OTP with the mix of QR-code which is a variation of the 2D standardized identification
Category: Digital Signal Processing
[11] viXra:2004.0655 [pdf] submitted on 2020-04-28 03:59:14
Authors: George Rajna
Comments: 91 Pages.
"Currently, we require two electrode pairs to achieve full control of MTJs, but the operation is very complicated. We are now looking to simplify the operation by using only one pair of electrodes," says Chen. [56] "The atom-scale devices we are developing create a new basis for computer electronics that will be able to run at least 100 times faster or operate at the same speed as today but using 100 times less energy," continued Wolkow. [55] Significant technical and financial issues remain towards building a large, fault-tolerant quantum computer and one is unlikely to be built within the coming decade. [54] Chemists at Friedrich Schiller University in Jena (Germany) have now synthesised a molecule that can perform the function of a computing unit in a quantum computer. [53] The research team developed the first optical microchip to generate, manipulate and detect a particular state of light called squeezed vacuum, which is essential for HYPERLINK "https://phys.org/tags/quantum/" quantum computation. [52] Australian scientists have investigated new directions to scale up qubits-utilising the spin-orbit coupling of atom qubits-adding a new suite of tools to the armory. [51] A team of international researchers led by engineers from the National University of Singapore (NUS) have invented a new magnetic device to manipulate digital information 20 times more efficiently and with 10 times more stability than commercial spintronic digital memories. [50] Working in the lab of Mikhail Lukin, the George Vasmer Leverett Professor of Physics and co-director of the Quantum Science and Engineering Initiative, Evans is lead author of a study, described in the journal Science, that demonstrates a method for engineering an interaction between two qubits using photons. [49] Researchers with the Department of Energy's Oak Ridge National Laboratory have demonstrated a new level of control over photons encoded with quantum information. [48] Researchers from Intel Corp. and the University of California, Berkeley, are looking beyond current transistor technology and preparing the way for a new type of memory and logic circuit that could someday be in every computer on the planet. [47]
Category: Digital Signal Processing
[10] viXra:2004.0578 [pdf] submitted on 2020-04-24 14:05:05
Authors: Suyash Shandilya, Waris Quamer
Comments: 6 Pages.
Face reading is the most intuitive aspect of emotion recognition. Unfortunately, digital analysis offacial expression requires digitally recording personal faces. As emotional analysis is particularlyrequired in more poised scenario, capturing faces becomes a gross violation of privacy. In thispaper, we use the concept ofcompressive analysisintroduced in [1] to conceptualise a systemwhich compressively acquires faces in order to ascertain unusable reconstruction, while allowing foracceptable (and adjustable) accuracy in inference.
Category: Digital Signal Processing
[9] viXra:2004.0562 [pdf] submitted on 2020-04-24 09:45:27
Authors: George Rajna
Comments: 37 Pages.
In a paper published in Nature Communications, researchers from Brown and Rice University showed that a device known as a leaky waveguide can be used for link discovery at terahertz frequencies. [25]
Following three years of extensive research, Hebrew University of Jerusalem (HU) physicist Dr. Uriel Levy and his team have created technology that will enable computers and all optic communication devices to run 100 times faster through terahertz microchips. [24]
When the energy efficiency of electronics poses a challenge, magnetic materials may have a solution. [23]
Category: Digital Signal Processing
[8] viXra:2004.0532 [pdf] submitted on 2020-04-22 01:34:26
Authors: George Rajna
Comments: 62 Pages.
"Now we are making individual devices in the laboratory. We need to make circuits for large-scale functional implementation of these devices." [40] Organic electronics have the potential to revolutionize technology with their high cost-efficiency and versatility compared with more commonly used inorganic electronics. [39] By using an infrared laser beam to induce a phenomenon known as an electron avalanche breakdown near the material, the new technique is able to detect shielded material from a distance. [38] The light scattered by plasmonic nanoparticles is useful, but some of it gets lost at the surface and scientists are now starting to figure out why. [37] In a new review, researchers have described the fundamental physics that causes magnetoelectricity from a theoretical viewpoint. [36] Physicists at EPFL propose a new "quantum simulator": a laser-based device that can be used to study a wide range of quantum systems. [35] The DESY accelerator facility in Hamburg, Germany, goes on for miles to host a particle making kilometer-long laps at almost the speed of light. Now researchers have shrunk such a facility to the size of a computer chip. [34] University of Michigan physicists have led the development of a device the size of a match head that can bend light inside a crystal to generate synchrotron radiation in a lab. [33] A new advance by researchers at MIT could make it possible to produce tiny spectrometers that are just as accurate and powerful but could be mass produced using standard chip-making processes. [32] Scientists from the Department of Energy's SLAC National Accelerator Laboratory and the Massachusetts Institute of Technology have demonstrated a surprisingly simple way of flipping a material from one state into another, and then back again, with single flashes of laser light. [31] Materials scientists at Duke University computationally predicted the electrical and optical properties of semiconductors made from extended organic molecules sandwiched by inorganic structures. [30]
Category: Digital Signal Processing
[7] viXra:2004.0380 [pdf] submitted on 2020-04-15 13:00:29
Authors: George Rajna
Comments: 95 Pages.
An international team of researchers, led by physicist Paul Ching-Wu Chu, founding director of the Texas Center for Superconductivity at the University of Houston, is reporting a new compound capable of maintaining its skyrmion properties at room temperature through the use of high pressure. [58]
Prospective digital data storage devices predominantly rely on novel fundamental magnetic phenomena. [57]
Scientists at Linköping University have shown how a quantum computer really works and have managed to simulate quantum computer properties in a classical computer. [56]
Category: Digital Signal Processing
[6] viXra:2004.0291 [pdf] submitted on 2020-04-12 00:42:50
Authors: A. Akil
Comments: 12 Pages.
Data is a crucial part of the present world; users save the data either in their physical devices or on the cloud. The cloud data will be stored in the data centers and these data centers are present in the unknown location and thus, the users believe that the data present in the data canter is secured. The location of the data centers is usually not revealed so that the location is unidentified, and the data will be safe. The supercomputers are used in this data center. The data center occupies a large space to store all the servers and other data storage capacities, this will emit a large amount of heat and which uses more effects of the environment and humans also. What if the data centers are present on the lunar surface or on the process of which the space on Earth and the heat are reduced? My paper is about building the data centers on the moon. The moon is 384,400kms away from Earth, the satellites are present on the space the communication will not be a problem in this state. Since we get the communication through the satellites this will be easy to get in the process of building the data centers on the moon. The moon’s surface will be helpful to make the simple data centers and can be useful in having the data stored with the help of satellites that are in communication with the moon and the ground station on the earth. Through that, the communication will not be blacked out. The data center servers are to be remotely accessed.
Category: Digital Signal Processing
[5] viXra:2004.0257 [pdf] submitted on 2020-04-11 04:31:57
Authors: Antonio Boccuto, Ivan Gerace
Comments: 5 Pages.
We consider the problem of restorating images from blur and
noise. We find the minimum of the primal energy function,
which has two terms, related to faithfulness to the data, and
smoothness constraints, respectively. In general, we do not
know and we have to estimate the discontinuities of the ideal
image. We require that the obtained images are piecewise
continuous and with thin edges. We associate with the primal
energy function a dual energy function, which treats discontinuities
implicitly. We determine a dual energy function,
which is convex and takes into account non-parallelism constraints,
in order to have thin edges. The proposed dual energy
can be used as initial function in a GNC (Graduated
Non-Convexity)-type algorithm, to obtain reconstructed images
with Boolean discontinuities. In the experimental results,
we show that the formation of parallel lines is inhibited.
Category: Digital Signal Processing
[4] viXra:2004.0225 [pdf] replaced on 2023-09-14 21:02:53
Authors: Sébastien Lablanche, Gérard Lablanche
Comments: 19 Pages.
The aim of this paper is to demonstrate that it is possible to reconstruct coherent human faces from very degraded pixelated images with a very fast algorithm, more faster than compressed sensing (CS) algorithm, easier to compute and without deep learning, so without important information technology resources, i.e. a large database of thousands training images (see https://arxiv.org/pdf/2003.13063.pdf). This technological breakthrough has been patented in 2018 with the demand of french patent FR 1855485 (https://patents.google.com/patent/FR3082980A1). The Face Super-Resolution (FSR) has many interests, in particular in a remote surveillance context which already exists in China but which can be a reality in USA and European countries. Today, deep learning methods and artificial intelligence (AI) appears in this context but these methods are difficult to put in their systems because of the need of important data. The demand of chinese patent CN107563965 and the scientist publication "Pixel Recursive Super Resolution", R. Dahl, M. Norouzi, J. Shlens propose such methods (see https://arxiv.org/pdf/1702.00783.pdf). In this context, this new method could help governments, institutions and enterprises to accelerate the generalisation of automatic facial identification and to earn time for reconstruction process in industrial steps such as terahertz imaging, medical imaging or spatial imaging.
Category: Digital Signal Processing
[3] viXra:2004.0221 [pdf] submitted on 2020-04-10 12:25:43
Authors: Racco Wang
Comments: 6 Pages.
During the pandemic covid-19. More than 70 national elections scheduled for the rest of the year worldwide, the coronavirus (COVID-19) pandemic is putting into question whether some of these elections will happen on time or at all. We proposed a novel solution based on multi-key homomorphic encryption and blockchain technology, which is unhackable,privacy-preserving and decentralized. We first introduce the importance of a feasible voting system in this special era, then we demonstrated how we construct the system. finally, we made a thorough comparison of the possible solutions.
Category: Digital Signal Processing
[2] viXra:2004.0011 [pdf] submitted on 2020-04-01 04:17:38
Authors: George Rajna
Comments: 47 Pages.
Using the same technology that allows high-frequency signals to travel on regular phone lines, researchers tested sending extremely high-frequency, 200 GHz signals through a pair of copper wires. [35] A new type of quantum memory that could extend the range of quantum encryption systems has been unveiled by physicists at Harvard University in the US. [34] The companies constructed an application for data transmission via optical fiber lines, which when combined with high-speed quantum cryptography communications technologies demonstrated practical key distribution speeds even in a real-world environment. [33] Nanosized magnetic particles called skyrmions are considered highly promising candidates for new data storage and information technologies. [32] They do this by using "excitons," electrically neutral quasiparticles that exist in insulators, semiconductors and in some liquids. [31] Researchers at ETH Zurich have now developed a method that makes it possible to couple such a spin qubit strongly to microwave photons. [30] Quantum dots that emit entangled photon pairs on demand could be used in quantum communication networks. [29] Researchers successfully integrated the systems-donor atoms and quantum dots. [28] A team of researchers including U of A engineering and physics faculty has developed a new method of detecting single photons, or light particles, using quantum dots. [27] Recent research from Kumamoto University in Japan has revealed that polyoxometalates (POMs), typically used for catalysis, electrochemistry, and photochemistry, may also be used in a technique for analyzing quantum dot (QD) photoluminescence (PL) emission mechanisms. [26] Researchers have designed a new type of laser called a quantum dot ring laser that emits red, orange, and green light. [25] The world of nanosensors may be physically small, but the demand is large and growing, with little sign of slowing. [24]
Category: Digital Signal Processing
[1] viXra:2004.0002 [pdf] submitted on 2020-04-01 10:06:05
Authors: George Rajna
Comments: 49 Pages.
Now, researchers in China and Canada have demonstrated how to achieve efficient optical mode transfer in more compact devices than previously possible by exploiting "exceptional points" with new mobile properties. [36] Using the same technology that allows high-frequency signals to travel on regular phone lines, researchers tested sending extremely high-frequency, 200 GHz signals through a pair of copper wires. [35] A new type of quantum memory that could extend the range of quantum encryption systems has been unveiled by physicists at Harvard University in the US. [34] The companies constructed an application for data transmission via optical fiber lines, which when combined with high-speed quantum cryptography communications technologies demonstrated practical key distribution speeds even in a real-world environment. [33] Nanosized magnetic particles called skyrmions are considered highly promising candidates for new data storage and information technologies. [32] They do this by using "excitons," electrically neutral quasiparticles that exist in insulators, semiconductors and in some liquids. [31] Researchers at ETH Zurich have now developed a method that makes it possible to couple such a spin qubit strongly to microwave photons. [30] Quantum dots that emit entangled photon pairs on demand could be used in quantum communication networks. [29] Researchers successfully integrated the systems-donor atoms and quantum dots. [28] A team of researchers including U of A engineering and physics faculty has developed a new method of detecting single photons, or light particles, using quantum dots. [27] Recent research from Kumamoto University in Japan has revealed that polyoxometalates (POMs), typically used for catalysis, electrochemistry, and photochemistry, may also be used in a technique for analyzing quantum dot (QD) photoluminescence (PL) emission mechanisms. [26] Researchers have designed a new type of laser called a quantum dot ring laser that emits red, orange, and green light. [25]
Category: Digital Signal Processing
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