a practical scheme based on tddft

... lection d’un es Yaghmaie and A Aliabadian, pace d’insertion decomposition and radon transform,” Interna 0,1 tional Journal of a b c d e f Electronics and communication (AEÜ), pp Fig 12 LL sub-band ... uantization approach Tao and Eskicioglu propose in [12] decomposition level a non-blind produces four representations of an image: an ap multiple watermarking scheme based on the DW proximation ... )] Qualitative evaluation of the watermark presen ce can be done by comparing the two extracted watermarks with the original one Quantitativeevaluation is performed by calculating the similarity...

Ngày tải lên: 21/11/2013, 23:58

... couleur additif : vers la selection d’un espace d’insertion optimal,” Coresa03, 2003 S Rastegar, F Namazi, K Yaghmaie and A Aliabadian, “Hybrid watermarking algorithm based on singular value decomposition ... 10 Qualitative evaluation of the watermark presence can be done by comparing the two extracted watermarks with the original one Quantitative evaluation is performed by calculating the similarity ... CONCLUSION In this paper, we have made a contribution to a multiple non-blind watermarking scheme based on the DWT The proposed scheme consists in applying the DWT to the gray scale cover image...

Ngày tải lên: 30/12/2013, 16:22

... detection scheme: (a) Training stage and (b) Testing stage • Training stage: a normal database, an HMM model and fuzzy sets are built from training data - Normal database: The database is an ordered ... truth value is greater than It is also noted that there is no “ELSE” clause in a fuzzy rule All available rules in a fuzzy control system are evaluated because an input can belong to more than one ... positive rate of the normal database scheme, the two-layer detection scheme and the fuzzy -based detection scheme with the short sequence length, k = 5, 11 and 15 Training data sets Normal database...

Ngày tải lên: 22/03/2014, 09:20

... algorithms have similar computational structures, none of them appears to have a substantial speed advantage [21] As a practical matter, highly optimized realinput FFT libraries are available from many ... transforms As DHT and DCT/DST are DFT-related transforms, a common calculation scheme can be presented after we perform some mathematical manipulations 10 EURASIP Journal on Advances in Signal ... consideration and numerical results are not yet available except for particular cases [35] Nevertheless, two main considerations are presented: on one hand, the recursive calculation accumulates...

Ngày tải lên: 22/06/2014, 20:20

... EURASIP Journal on Applied Signal Processing [21] Y Yang and N P Galatsanos, “Projection -based spatially adaptive reconstruction of block-transform compressed images,” IEEE Transactions on Image ... Laboratories of America (SLA), Camas, Wash, working on multimedia analysis for consumer applications He was the Technical Lead in developing Sharp’s hiimpact technologies He was also an adjunct faculty ... in a parallel manner by taking advantage of the block transformation characteristics, one can see that the DCT and GenLOT can be very efficient As can be seen from Table and Figure 14, DCT and...

Ngày tải lên: 22/06/2014, 22:20

... EURASIP Journal on Applied Signal Processing to the digital host image; on the other hand, the shadow watermark share is created based on the master watermark share and its related digital watermark ... number generator (PRNG) and a master watermark is first created Then each matching shadow watermark share is created based on the corresponding digital watermark The shadow watermark share is derived ... ownership and uses our master watermark share production procedure to retrieve a master watermark share of Lena After stacking the shadow watermark share with the master watermark share and performing...

Ngày tải lên: 23/06/2014, 01:20

... he can only find an approximation of the original block and an approximation of the original motion vector This approximation error causes highly visible artifacts that are drastically increased ... coding, facial image analysis, virtual imaging, face cloning, and talking heads He is an author or coauthor of more then 65 publications that have appeared as journal papers or proceeding articles, ... Still image -based techniques Primarily, watermarking algorithms for video were simply an adaptation of still image techniques Langelaar et al [10], Nikolaidis and Pitas [11], and O’Ruanaidh et al...

Ngày tải lên: 23/06/2014, 01:20

... and Optimization, London: Springer, 2005 A Lisnianski, and G Levitin, Multi-state System Reliability: Assessment, Optimization and Applications Singapore: World Scientific, 2003 R M Barton, and ... the capacity of a battery is lower than 5700 mAh Suppose the capacity of the first branch is 5600 mAh and the capacity of other branches are all above 5800 mAh, the system is reliable because ... optimization in multi-state series-parallel systems: A heuristic approach,” IIE Transactions, 2007, Vol.39, pp.277–289 Y Liu, H.Z Huang, “Comment on ‘ A framework to practical predictive maintenance...

Ngày tải lên: 03/01/2014, 19:38

... Leandri, G Le Lay, B Aufray, C Girardeaux, J Avila, M.E Davila, M.C Asensio, C Ottaviani, A Cricenti, Surf Sci 574 (2005) L9 [2] H Sahaf, L Masson, C Leandri, B Auffray, G Le Lay, F Ronci, Appl ... experimental work done by Fang et al and Hacker et al [13,14] as well as the first principle calculations performed by Hermann et al [15] on the adsorption of PQ on Si(0 1), we propose that an interaction ... STM images of the surface following the evaporation of Å of THAP are displayed in Fig 3a and b Each molecule appears as a six-pronged shape with six bright lobes and a dark center The six-pronged...

Ngày tải lên: 16/03/2014, 15:35

... fusion proteins tetracycline-controlled transcriptional activator (tTA) [10] or reverse tetracycline-controlled transcriptional activator (rtTA) [8] A third system [11] is based on concomitant ... transcription was calculated from the ratios of signals for transporter mRNA and GAPDH mRNA With OCT1, OCT2, and CAT4 both vectors were analyzed alongside on a single blot OCT, organic cation transporter; ... K, Kanai M, Saya H, Kozu T & Berns A (2001) A novel tetracycline-dependent transactivator with E2F4 transcriptional activation domain Nucleic Acids Res 29, E23 14 Ivanova L, Brandli J, Saudan...

Ngày tải lên: 23/03/2014, 09:21

... interface a ordance (e.g., sort search results based on different meta-data), or search paradigm (e.g., engage in an instant messaging conversation with a domain expert) to encourage them to stay ... initialized at the start of every sequence, Xi ∈ DY , and the automata make transitions whenever suitable events appear as we proceed down the sequence When an automaton reaches its final state, a full ... ‘medium’, and ‘long’ based on a tripartite division of the dwell times across all users and all pages viewed We define a search engine switch as one of three behaviors within a session: (i) issuing a...

Ngày tải lên: 23/03/2014, 13:20

... user and applied by a post-processor We have in fact focussed on a method to express linguistically meaningful, preference statements rather than on a particular parsing strategy w e are aware ... REFERENCES G.Malnati & P,Paggio (1990), "The Eurotra User Language", forthcoming in Machine Transition and Natural L,3nguage Processing, vol.2, C'F~, Luxembourg A. Bech, B.Maegaard & A. Nygaard (1990), ... IEEE ASSP, vol.30, no P.Paggio (1988), "The Concept of Preference Applied to the Automatic Analysis of PPs and ADVPs", in S A ~ , Copenhagen F.C.N.Pereira (1985), "A New Characterization of Attachment...

Ngày tải lên: 01/04/2014, 00:20

... Direct-contact data collection has great advantage for energy savings That is, sinks visit (possibly at slow speed) all data sources one by one and obtain data directly from them This data collection ... generate data about a phenomenon and relay streams of data to a more resource rich device called sink This procedure is called data dissemination, which is a preplanned way of distributing data and ... of a given type There are as many home nodes as data types The main drawback of this approach is the hot spot problem because all data reports and queries for the same meta-data are concentrated...

Ngày tải lên: 20/06/2014, 20:20

... Cosine Transform: Algorithms, Advantages, Applications, Academic Press, Boston, Mass, USA, 1990 M Barni, F Bartolini, and A Piva, “Improved wavelet -based watermarking through pixel-wise masking,” ... [3] have shown that a number of nonlinear collusions such as an interleaving attack can be well approximated by averaging collusion plus additive noise So far, many variants of the spread spectrum ... the algorithm and measure the number of detected colluders from a pirated copy with averaging collusion As a host signal, we use 10 standard images “lena,” “aerial,” “baboon,” “barbala,” “bridge,”...

Ngày tải lên: 21/06/2014, 05:20

... vehicular communications, there is an important lack of real evaluation analysis Many VANET solutions and protocols could be considered as nonpractical designs if they were tested in real scenarios, ... dynamically change according to available interfaces, mobility or obstacles Adaptive applications are thus desirable in these environments Second, traffic flows have to be allocated to appropriate paths ... delay which is undesirable for applications such as realtime multimedia streaming (2) Encapsulation with an additional 40-bytes header increases the size of packets and the risk of fragmentation...

Ngày tải lên: 21/06/2014, 08:20

... information The third module deals with the classification aspect of locations and configurations on each key image This is summarized in the functional diagram of Figure 4 EURASIP Journal on Image ... coding, the hand motion is double: a global hand rigid motion associated to location and a local nonrigid fingers motion associated to configuration formation The global rigid motion of the hand is supposed ... is made at 25 images/second with a professional analogical camera of the highest quality Then, the video is digitalized Frames A and B are separated and each is used to recreate a complete image...

Ngày tải lên: 22/06/2014, 00:20

... information The third module deals with the classification aspect of locations and configurations on each key image This is summarized in the functional diagram of Figure 4 EURASIP Journal on Image ... coding, the hand motion is double: a global hand rigid motion associated to location and a local nonrigid fingers motion associated to configuration formation The global rigid motion of the hand is supposed ... is made at 25 images/second with a professional analogical camera of the highest quality Then, the video is digitalized Frames A and B are separated and each is used to recreate a complete image...

Ngày tải lên: 22/06/2014, 06:20

... Inc., Japan Cover glass was purchased from Matsunami Glass Ind., Ltd., Japan A photoresist (OFPR-800) was purchased from Tokyo Ohka Kogyo Co., Ltd., Japan CNT immobilization on glass Fabrication ... CNTs are immobilized specifically on a bare substrate and the ODT layer is used as a non-binding area One attendant problem might be immobilization of biomolecules on the CNT-FET For immobilization ... its aggregation behavior is controllable by changing pH This SWCNT can be immobilized specifically on the APS layer in water For this study, we fabricated a nanotube FET device on a cover glass after...

Ngày tải lên: 22/06/2014, 18:20

... N45), Aarhus Uni, Aarhus, 1976 W Feller, Introduction to Theory Probability and Its Applications, 1967, Vol Alison L Gibbs and Su Francis Edward, On Choosing and Bounding Probability Metrics, Manuscript ... of probability measures and random variables, Ann Math Statist 39 (1968) 1563–1572 R M Dudley, Probabilities and Metrics: convergence of laws on metric spaces, with a view to statistical testing ... Gibbs and Edward in [9], Hutchinson and Ludger in [11] and Ralph and Ludger in [16 - 18] In addition, we also illustrate some relationships among probability metrics in (2.1), (2.2) and (2.3) as...

Ngày tải lên: 06/08/2014, 05:20

... dropped the condition of nonnegativity from the definition of ultra-logconcavity It is not true that c = a a satisfies the Newton inequalities of order 2m the electronic journal of combinatorics 16 ... DOE for financial support through Los Alamos National Laboratory’s LDRD program References [1] A Aleksandrov, On the theory of mixed volumes of convex bodies, IV, Mixed discriminants and mixed ... Canad J Math 1(1949), 1-5 [4] L Gurvits, On multivariate Newton(like) inequalities, available at http://arxiv.org/abs/0812.3687, 2008 [5] T M Ligggett, Ultra Logconcave sequences and Negative dependence,...

Ngày tải lên: 07/08/2014, 21:21