efficient method of moments

... extended profile, the methods based on this feature are only applicable to the video sequences encoded using the extended profile The other methods are applicable to all profiles of H.264 video ... enhancements over method 5 or other methods, based on data partitioning This method is treated as an extension of 5, and is only described at the concept level; a detailed analysis of methods based ... an NAL unit (NALU) and consists of a one-byte header and a bit string containing the bits of a coded slice (a collection of coded macroblocks) One of the fields of the NALU header is the NALU

Ngày tải lên: 21/06/2014, 23:20

... bounded projection of it recursively In order to explore the interesting of appending methods called intraview-appending method and interview-appending method The intraview-appending method is used ... indepen-dent of detailed implementation techniques First is that the a priori-like method may generate potentially huge set of can-didate sequences during the permutations of elements and repetition of ... sequence Second is that multiple scans of databases are needed for deciding the support of these candidates As the length of candidates increases, the times of scans of databases become worse Third

Ngày tải lên: 22/06/2014, 19:20

... has additional functionality to support the coding of objects [3] The benefits of an MPEG-4 codec come at the cost of algorithmic complexity Profiling has shown that the most computationally demanding ... cost of 11 adders and 5 multipliers, with a cycle latency ofN + 2 for an N-point DCT However, neither of the architectures address the horizontal packing required to identify the lengths of the ... Despite the wider range of applications possible, object-based coding has its detractors due to the difficulty of the segmentation problem in general However, it is the belief of the authors that in

Ngày tải lên: 22/06/2014, 22:20

... probabil-ity of forwarding packets Such a policy will promote image quality instead of energy savings On the contrary,α  coeffi-cients near 1 will promote energy savings instead of a higher resolution of ... loss of generality, the following assumptions (i) All sensors have the same characteristics (ii) The battery state-of-charge of a node does not change significantly during the transmission of a ... =1 B(, i) · i  . (6) The transmission of a message between two neighboring nodes requires a set of procedures, each of which consumes a certain amount of energy Considering that all nodes have

Ngày tải lên: 22/06/2014, 22:20

... generalization of (17) For each update (or iteration) the filer output is taken from the value ofGk(1) Figure2shows the filtered error as Trang 4a function of the number of iterations,k of a second-ordermodulator ... formulation of e ffi-cient, full-rate implementation of the Kalman filter Section5 shows MATLAB simulation of down-sampled and full-rate Kalman filters Section6describes the FPGA implementation of full-rate ... Figure7shows the top level of FPGA im-plementation under Simulink environment of MATLAB Fig-ure8shows more details of the circuit that implement (19) The FPGA design of the down-sampled Kalman

Ngày tải lên: 22/06/2014, 23:20

... summarizes the number of multiplications for certain values of K and M. For example, the optimization method in [23] can be used to generate PR prototype filters whose attenuation of the high-est stopband ... University of Technology, Finland, in 2000 He is cur-rently on the staff of the Institute of Com-munications Engineering at TUT finish-ing his doctoral thesis His research inter-ests are theory of modulated ... in the area of video signal process-ing, especially for HDTV, at Nokia Research Centre and Nokia Con-sumer Electronics Since 1992, he has been a Professor and Head of the Institute of Communications

Ngày tải lên: 22/06/2014, 23:20

... number of instruments is equal to the number of coefficients we want to estimate  Size of Z is the same as the size of IV  What happens if the number of instruments is greater than the number of ... (depvar2 = varlistiv), Trang 12(1) In case of TRIANGLE RELATIONSHIP:Trang 13(2) In case IV is the lagged endogenous Trang 14Linear generalized method of moments (GMM)Arellano-Bond (1991); Arellano-Bover ... that therobust estimator of the covariance matrix of theparameter estimates be calculated The resultingstandard error estimates are consistent in thepresence of any pattern of heteroskedasticityand

Ngày tải lên: 17/12/2015, 22:28

... specifications of reaction functions 6 2 GENERALIZED METHOD OF MOMENTS 7 2.1 Moment conditions 7 2.2 Moment condition from rational expectations 8 2.3 (Generalized) method of moments estimator ... UNIVERSITY OF AMSTERDAM FACULTY OF ECONOMICS AND ECONOMETRICS MASTER’S THESIS DO CENTRAL BANKS REACT TO STOCK PRICES? AN ESTIMATION OF CENTRAL BANKS’ REACTION FUNCTION BY THE GENERALIZED METHOD OF MOMENTS ... 1UNIVERSITY OF LJUBLJANA FACULTY OF ECONOMICS UNIVERSITY OF AMSTERDAM FACULTY OF ECONOMICS AND ECONOMETRICS MASTER’S THESIS SREČKO ZIMIC Trang 3UNIVERSITY OF LJUBLJANA FACULTY OF ECONOMICS

Ngày tải lên: 11/12/2016, 20:32

... GABA-uptake process of GAT1 Finally, we found that deficiency of N-glycosy-lation did not affect the affinity of GAT1 for GABA The observed reduction of GAT1-specific GABA-uptake due to deficiency of N-glycans ... 1-Deoxymannojirimycin inhibits the GABA-uptake of GAT1 In order to gain further insight into the role of the terminal structures of the N-glycans of GAT1, N-gly-cosylation processing of NNN was inhibited by 1-de-oxymannojirimycin ... of cells was used for measurement of GABA-uptake as described above The values represent the mean ± SEM of three separate experi-ments. Trang 6is similar to that of NNN containing N-glycans of

Ngày tải lên: 19/02/2014, 17:20

... reaction, the oxygen atom of the free 5¢-OH group of one RNA fragment attacks the phosphorous of the cyclic 2¢,3¢-phosphate group of another, result-ing in ligation of the two fragments In contrast ... dissociation of the 16-mer versus favourable ligation of the 20-mer The yield of product RNA P44F3F5 could be fur-ther increased by stabilization of the ribozyme active Table 3 Thermodynamic parameters of ... processed, such that variation of the distance between the two sites seems reasonable only at this stage In summary, the demonstration of functionality of HP–TWRJ provides proof of the principle that,

Ngày tải lên: 20/02/2014, 01:20

... completion of limited proteolysis, identification of cleavage sites, through the use of MALDI-TOF, revealed molecular level detail in terms of exposed peptide bonds for the degradation of GDH with ... in Table 2 Effects of zinc on cofactor binding The effects of zinc on the binding of the reduced co-factor NADPH to the enzyme, at pH 8.0, in the pres-ence or abspres-ence of glutamate were examined ... enzyme in the presence of 20 mMglutamate, together with equivalent titrations in the presence of 100 lMzinc and control titrations of NADPH in the absence of enzyme, allowed plots of DF versus NADPH

Ngày tải lên: 05/03/2014, 23:20

... targeted delivery of siRNA in vivoMin Suk Shim1and Young Jik Kwon1,2,3 1 Department of Chemical Engineering and Materials Science, University of California, Irvine, CA, USA 2 Department of Pharmaceutical ... transport of macromoel-cules > 5 nm in diameter is significantly inhibited in normal tissues [36] However, transport of macromole-cules across the tumor endothelium is more efficient than that of normal ... interfere with the translation of almost any mRNA, as long as the mRNA has a distinctive sequence, whereas the targets of traditional drugs are limited by types of cellular receptors and enzymes

Ngày tải lên: 06/03/2014, 01:23

... in agreement with a restriction of electron flow at PSI The amount of PSI is reduced in the absence of PSI-J To analyze the content of PSI further, the amount of P700 was determined in solubilized ... amplitude of the second-order component of electron transfer with plant thylakoids devoid of PSI-J Thus, in plants, there is also an increased proportion of PSI complexes that are incompetent for efficient ... the luminal side of PSI involving PSI-F and PSI-N The absence of PSI-J might affect the conformation of PSI-F, which, in turn, changes the binding of PSI-N PSI-F provides part of the Pc-binding

Ngày tải lên: 16/03/2014, 11:20

... the absence of competitor As shown in Fig 6, in the presence of an amount of free IBB-HMGB2186 comparable to the amount of protein in the complex, transfection efficiency was only 37% of controls, ... determinant of successful gene delivery is the binding of DNA–vector complexes to target cells This can occur by direct interaction of transfection complexes with integral components of the cell ... electrophoresis of 0.5 lg pCMS-eGFP-E2C-Luc plasmid DNA in the absence of protein (lane 1), or after incubation with the indicated amounts of recombinant IBB-HMGB2186(lanes 2, 3) The positions of supercoiled

Ngày tải lên: 16/03/2014, 22:20

... Compared with the existing estimate methods, the proposed EVSA-PM enables decorrelation of more coherent signals, joint estimation of the DOA and polarization of coherent sources with a lower computational ... case of the EmVS arrays The SUMWE is also a PM-based method, which estimates the DOA of coherent sources using unpolarized scalar sensors by an iterative angle searching However, the proposed methods ... andRnare of rankK, and hence, R is of rank K and can be used to estimate the DOA and the polarization parameters of the coherent sources In realistic cases where only a finite number of snapshots

Ngày tải lên: 21/06/2014, 05:20

... The IF of the monocomponent signalz(t) is the first derivative of its instantaneous phase, that is,ω(t) = φ (t) [1] Furthermore, the crest of the “ridge” is often used to estimate the IF of the ... value d defined as a fraction of the signal total energy The second stage of the algorithm often produces a number of components that is larger than the actual number of components present in the ... estimation of signals for low SNRs is much more complex than in the case of high SNRs, the improvements in estimation error reduction using this new proposed method show the strength of the method

Ngày tải lên: 21/06/2014, 07:20

... distribution of Er3? That almost same diagrams obtained from the measurement at different parts of the sample demonstrates a uniform inclusion of Er3? complexes in the pores of SBA-15 Index of Refraction ... arise with the presence of splitting of spectra and shifting of spectrum peaks [15] The splitting of the subsidiary emission peaks in Figs.8and 9 demonstrates the existence of quantum size effects ... larger value of X2 Jørgensen and Judd [33] also reported that the hypersensitivity of certain lines in the spectra of rare-earth ions arises from the inho-mogeneity of the environment of rare-earth

Ngày tải lên: 21/06/2014, 08:20

... time require a certain level of accuracy in terms of radio resource management, quality of service, and mobility This is of particular importance for simulations of self-organizing networks For ... introduction of novel advanced methods In particular, investigation of self-organizing networks (SONs) [1 5] have to cover extremely long time intervals; however, they require a sufficient level of accuracy ... framework for a new class of simulators which is capable of making very long SON simulations with the necessary level of accuracy It can be understood as a smart extension of snapshot-based tools

Ngày tải lên: 21/06/2014, 11:20

... bandwidth of xDSL is limited by the distance of the user from the local exchange, quality of cable, and amount of crosstalk in Trang 2the cable The bandwidth limitation of xDSL causes thegrowth rate of ... inclusion of orthogonal frequency division multiple access (OFDMA) technology in IMT-2000 set of standards [2] After the inclusion of OFDMA-based technology, IEEE802.16, which also uses OFDMA technology, ... code rate Investigation of the channel throughput of IEEE802.16 BFWA system deals with the complex parameters of OFDM technology and adaptive modulation For the sake of sim-plicity, we implement

Ngày tải lên: 21/06/2014, 18:20

... found that the bit switching behavior of the instruction data bus is different from those of the other types of buses Figure 1shows an experimental result of the bit transition probability for ... only one segment), just 5% of bus transmissions have more than half of bus bits switching In the case of the even partition, the bus is partitioned into four segments of an equal size, the percentage ... 30 pF as load capacitance of the o ff-chip bus, 9.5%, 13.2%, and 29.9% of the total dynamic Trang 9power consumption of the instruction data bus can be savedby coding of PBI, MPBI, and SBI, respectively

Ngày tải lên: 21/06/2014, 20:20