PROYECTOS DE DESARROLLO
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Computational complexity evaluation of ann algorithms for image steganalysis
... Abstract - The major growth of information technology is based on the way how the security measures are implemented. Steganography is a technique that implements high level security by hiding a message in a multimedia ...
Application of syndrome based Turbo decoding with adaptive computational complexity in LTE downlink
... high computational complexity: Turbo codes are de- coded iteratively by using constituent decoders, which ex- change their beliefs about the transmitted information bits in the form of Log Likelihood Ratios ...
Filtragem adaptativa de baixa complexidade computacional
... the computational complexity is reduced, since many complex-complex operations are substituted by real-complex operations, less ...The computational complexity evaluation showed that the ...
Solving analytic differential equations in polynomial time over unbounded domains
... In this paper we have studied the computational complexity of solving initial- value problems involving analytic ordinary differential equations (ODEs). We gave special importance to solutions defined on ...
A framework for cooperative engineering
... The problem with these formulations concerns the computational complexity of most decentralized discrete-event control problems (Tsitsiklis, 1989). Today, there is no common software [r] ...
Analysis of PAPR Reduction Schemes to Develop Selection Criteria for OFDM Signals
... OFDM is a form of multicarrier transmission scheme; it is also known as DMT, with high spectral efficiency, multipath delay spread tolerance, power efficiency, robustness to channel fading and immunity to the frequency ...
A Robust Reach Set MPC Scheme for Control of AUVs
... on-line computational complexity and relies on taking advantage of the control problem time invariant elements, in order to replace, as much as possible, on-line by off-line computation, while guaranteeing ...
Adding detailed transmission constraints to a long-term integrated assessment model – A case study for Brazil using the TIMES model
... Global or national energy system models as TIMES [15], MESSAGE [16,17] or PRIMES [18] integrate the several components of the system from resource extraction, to conversion into energy carriers and to end-use ...
OPTIMAL IMPLEMENTATION METHODS FOR AUDIO CROSSTALK CANCELLATION ON DSP PROCESSORS
... The computational complexity in terms of cycles was measured for all the approaches. A 48kHz frequency sweep audio signal was provided as input to the implemented codes. The outputs were observed for the ...
Pesqui. Oper. vol.33 número1
... and computational complexity of lot size prob- ...and Computational Mathematics Department at Sheffield University with professor Alan Solon Ivor ...
PAPR Reduction Using BPSO/PTS and STBC in MIMO OFDM System
... Abstract: Problem statement: The Multiple Input Multiple Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) system has been receiving a great attention, as one of solutions for achieving high speed, ...
A computational study on form
... The computational model was tested with the product class of multipurpose chairs. A multipur- pose chair is a chair that can suit several uses. The choice of this product class is justified by three main reasons: ...
Computational fluid dynamics model
... the computational fluid ...swimsuit. Computational fluid dynamics methodology and reverse engineering procedures were used to carry out this study with accurate digital models of the female ...
Transition Complexity of Incomplete DFAs
... transition complexity of Boolean operations. The transition complexity re- sults for union and complementation turn out to be essentially different from the known state complexity results [16, 17] ...
Reputation-based Resilient Distributed Algorithms
... 1 High computational costs and need for a central processing.. unit.[r] ...
Rise and demise of bioinformatics? Promise and progress.
... It might be readily obvious by now in this essay that the ‘‘decline’’ of media interest and the potential diminution of the linguistic use of ‘‘bioinformatics’’ might not reflect the knee-jerk explanation of ‘‘too much ...
Sustainability, complexity and water management
... It requires the understanding of the concept of “self-organization”: it refers to the ability of a system to be able to construct and change its own behaviour or internal organization; in a recursive way, the order in ...
Computation of verbal predicates in portuguese : relational network, lexical-conceptual structure and context : the case of verbs of movement
... Within the field of Computational Lexical Semantics, and based on the assumption that the performance of meaning determination computational processes is largely assisted by structured[r] ...
Arq. Bras. Cardiol. vol.89 número4 en a01v89n4
... The pharmacotherapy represents the main therapeutic resource to cure and control diseases. Among the determinant factors of the extension of medication use by the population is the constant development of new drugs, the ...
Computational Vision and Medical
... For the case of trace particles in PW (Figs. 2a and 3a) we observed that the trajectories were almost symmetric and do not present so many fluc- tuations for both geometries[r] ...