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Search Results: 1 - 10 of 629 matches for " Nikola Tesli? "
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CHARACTERIZING APPLICATION ATTENTIVENESS TO ITS USERS: A METHOD AND POSSIBLE USE CASES
Milan Z. Bjelica,,Nikola Tesli
International Journal of Computer Science & Applications , 2010,
Abstract:
A Real-Time Wavelet-Domain Video Denoising Implementation in FPGA
Mihajlo Katona,Aleksandra Pi?urica,Nikola Tesli,Vladimir Kova?evi?
EURASIP Journal on Embedded Systems , 2006, DOI: 10.1155/es/2006/16035
Abstract: The use of field-programmable gate arrays (FPGAs) for digital signal processing (DSP) has increased with the introduction of dedicated multipliers, which allow the implementation of complex algorithms. This architecture is especially effective for data-intensive applications with extremes in data throughput. Recent studies prove that the FPGAs offer better solutions for real-time multiresolution video processing than any available processor, DSP or general-purpose. FPGA design of critically sampled discrete wavelet transforms has been thoroughly studied in literature over recent years. Much less research was done towards FPGA design of overcomplete wavelet transforms and advanced wavelet-domain video processing algorithms. This paper describes the parallel implementation of an advanced wavelet-domain noise filtering algorithm, which uses a nondecimated wavelet transform and spatially adaptive Bayesian wavelet shrinkage. The implemented arithmetic is decentralized and distributed over two FPGAs. The standard composite television video stream is digitalized and used as a source for real-time video sequences. The results demonstrate the effectiveness of the developed scheme for real-time video processing.
A Real-Time Wavelet-Domain Video Denoising Implementation in FPGA
Katona Mihajlo,Pi?urica Aleksandra,TesliNikola,Kova?evi? Vladimir
EURASIP Journal on Embedded Systems , 2006,
Abstract: The use of field-programmable gate arrays (FPGAs) for digital signal processing (DSP) has increased with the introduction of dedicated multipliers, which allow the implementation of complex algorithms. This architecture is especially effective for data-intensive applications with extremes in data throughput. Recent studies prove that the FPGAs offer better solutions for real-time multiresolution video processing than any available processor, DSP or general-purpose. FPGA design of critically sampled discrete wavelet transforms has been thoroughly studied in literature over recent years. Much less research was done towards FPGA design of overcomplete wavelet transforms and advanced wavelet-domain video processing algorithms. This paper describes the parallel implementation of an advanced wavelet-domain noise filtering algorithm, which uses a nondecimated wavelet transform and spatially adaptive Bayesian wavelet shrinkage. The implemented arithmetic is decentralized and distributed over two FPGAs. The standard composite television video stream is digitalized and used as a source for real-time video sequences. The results demonstrate the effectiveness of the developed scheme for real-time video processing.
The Effectiveness of the Functional Magnetic Stimulation Therapy in Treating Sciatica Syndrome  [PDF]
Tamara Radakovi?, Nikola Radakovi?
Open Journal of Therapy and Rehabilitation (OJTR) , 2015, DOI: 10.4236/ojtr.2015.33009
Abstract: Introduction: Degenerative or traumatic causes are most common in generating sciatica syndrome, which is normally treated with well-known physical therapy methods. A relatively new way of treating sciatica problems is so-called functional magnetic stimulation (FMS), whose principle is based on electromagnetic field inducing electrical field inside the body. Electrical field triggers action potential of nerve cells and that way stimulates peripheral motor nerve system. Aim: Aim of this study is to measure and estimate the effectiveness of implementing therapy with functional magnetic stimulation in regular physical treatment of sciatica syndrome. Materials and Methods: 28 male patients aged between 30 and 55 with back problem were recruited on an outpatient basis. FMS therapy was performed with TESLA Stym? device (Iskra Medical d.o.o., Slovenia) treating lumbosacral region equally on both sides of the spine. Physical examination was performed to evaluate tree parameters: the mobility of the lumbar spine in flexion and extension, together with the straight leg raise test (Lasegue sign). We estimated patients’ progress, comparing angle values of mobility from the first examination day with other examination days. Results: In FMS treated group of patients, lumbosacral flexion, extension and Lasegue test angle were significantly higher compared to day 0 on the first physical examination day (day 3) (p < 0.05). In control group such increase of a measured angle was not noticed until a second physical examination day (day 5) or a third physical examination day (day 8) (p < 0.05). Discussion: Results in this study showed that applying FMS therapy along with other standard physical therapy methods rapidly increased effectiveness of the treatment of sciatica syndrome (lat. ischialgia). It suggests that functional magnetic therapy could be suggested as a regular physical therapy method in treating this kind of pain syndromes.
Pricing the Cost of Cybercrime—A Financial Protection Approach  [PDF]
Thomas Poufinas, Nikolaοs Vordonis
iBusiness (IB) , 2018, DOI: 10.4236/ib.2018.103008
Abstract: Infrastructures, businesses, end-users and services offered in the digitally integrated environment are exposed to a wide range of risks such as denial of service, hacking, phishing, ransomware, viruses, etc. Consequently, along with their physical life, individuals and organizations have to secure their digital life as well. Digital threats may have a major economic impact both on the individuals and the society, through the direct loss of income and/or property or even an indirect reduction of the individuals’ contribution back to the society and the state. The purpose of this paper is to study the effect of cyber-attacks to the economy, to price the associated cost and to recommend possible measures that internet service providers (ISPs) and policy makers can apply in order to mitigate these risks. In order to achieve that, we employ insurance (actuarial) pricing techniques to calculate the cost of cyber-attacks for an individual and for the economy of a country in total. We are therefore at the same time in place to recommend insurance coverage solutions that can assist in protecting the entity of interest from cyber risks. This resembles to the calculation of a risk premium, as the premium is calculated taking into account only the probability of occurrence of a cyber-attack and the interest rate and not any other loadings. In this context, we mimic the pricing of a policy that provides coverage for the cyber-attack, as well as the calculation of the amount that has to be set aside in order to compensate for the one-off economic loss suffered by the individual, as a result of its occurrence. Here lies our contribution to the scientific research in the field of cyber security insurance, as we employ insurance-based actuarial techniques in order to quantify the relevant loss.
On certain sufficient conditions for starlikeness
Nikola Tuneski
International Journal of Mathematics and Mathematical Sciences , 2000, DOI: 10.1155/s0161171200003574
Abstract: We consider certain properties of f(z)f″(z)/f′2(z) as asufficient condition for starlikeness.
A study of the distribution of phylogenetically conserved blocks within clusters of mammalian homeobox genes
Stojanovic, Nikola;
Genetics and Molecular Biology , 2009, DOI: 10.1590/S1415-47572009000300034
Abstract: genome sequencing efforts of the last decade have produced a large amount of data, which has enabled whole-genome comparative analyses in order to locate potentially functional elements and study the overall patterns of phylogenetic conservation. in this paper we present a statistically based method for the characterization of these patterns in mammalian dna sequences. we have applied this approach to the study of exceptionally well conserved homeobox gene clusters (hox), based on an alignment of six species, and we have constructed a map of hox cataloguing the conserved fragments, along with their locations in relation to the genes and other landmarks, sometimes showing unexpected layouts.
Reaching inter-institutional business processes in e-Society
Nikola Vlahovi
Business Systems Research , 2010, DOI: 10.2478/v10305-012-0024-y
Abstract: Each business enterprise strives to achieve the most efficient organization of its operations. While business enterprises can influence internal factors of organization, external factors are more rigid. Public organizations have less of an incentive to be efficient. Furthermore, their organization is less favorable since the decision making is centralized and highly formal (i.e. legislative). Adoption of business process orientation (BPO) paradigm, with an emphasis on the management of internal factors of organization, has provided business organizations with substantial savings and improvements in efficiency. However, external factors also have a high potential for improvement of efficiency. For instance, development of supply chains or value chains has proven that external factors can be harnessed to provide additional sources of competitiveness. Other external factors can also be used to improve the performance of individual organizations, an entire industry or economy as a whole. These synergic effects can be achieved through a unified and virtualized communication infrastructure, document exchange and conduct of business transactions. The goal of this paper is to present business environment properties in an e-Society that can be further developed to enhance integration between organizations and public institutions, which in turn can be used to create and manage inter-institutional business processes. This type of processes can promote e-business and e-business models to a new level of efficiency, making a whole industry or national economy comparatively more competitive in international markets.
Urban family and tradition in the 1980's
Panteli? Nikola ?.
Glasnik Etnografskog Instituta SANU , 2004, DOI: 10.2298/gei0452199p
Abstract: The paper presents general assumptions and the topics covered of the larger study (to be published) on Serbian urban families in the 1980's. The research was carried out in four cities: abac, U ice, Kru evac and Bor. The larger study explores the transmission and maintenance of certain traditional customs and relationships, along with their modifications adaptations, adjustments or disappearances due to the requirements of contemporary urban life. The main assumption of the study is that the urban city family has different characteristics and functions than the rural one. The research method included a questionnaire with various questions concerning the structure of the family, income, occupations, educational level, origin, family hierarchy, property, kinship relations and so on. The research sample, which included more than 50 families from all four cities represents a good foundation for analysis and comparisons. In fact, the sample reveals a general, homogenous picture on a number of traditional elements among Serbian families in the 1980's. Additional data were collected in a few other cities. The results of this study will be compared with the author's previous studies on rural families, suburban areas and city dwellings in Serbia. The data collected so far point to the conclusion that each city has retained a number of traditional, specific features compatible with its local tradition, population origin, economy, and environment. In spite of the study limitations, it seems likely that the main assumption will be found true.
Institutions and Politics
Nikola Petrovi
Sociologia, Problemas e Práticas , 2010,
Abstract:
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