changing content based on time

Báo cáo hóa học: " Research Article Video Frames Reconstruction Based on Time-Frequency Analysis and Hermite Projection Method" docx

Ngày tải lên : 21/06/2014, 08:20

... illustration of stationary and nonstationary blocks in a sequence of frames (box 1-stationary block, box 2-nonstationary block) Video Analysis and Reconstruction Using Time- Frequency Representations ... S-method The second part of the proposed procedure deals with the high-quality reconstruction of the coefficients The reconstruction of a stationary sequence is based on its first coefficient On the other ... follows Section describes the theory behind the time- frequency analysis and its application for characterizing the temporal stationarity In Section 3, the reconstruction procedure based on the Hermite...

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Array processing based on time frequency analysis and higher order statistics

Ngày tải lên : 11/09/2015, 14:29

... two-dimensional function of time and frequency) that displays the spectral components of the signal as a function of time (see the illustration on the box in Fig 2.1) Conceptually, one may think ... a description of the signal that involves both time and frequency This method is called time- frequency (TF) analysis, which maps a signal (i.e., a one-dimensional function of time) onto an image ... Comparison of MSE of f1 (Hz)2 among CBF, proposed LS -based and TLS-LS based algorithms 73 x 3.5 Comparison of MSE of f2 (Hz/s)2 among CBF, proposed LS -based and TLS-LS based...

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Tài liệu Báo cáo khoa học: "Predicting Unknown Time Arguments based on Cross-Event Propagation" ppt

Ngày tải lên : 20/02/2014, 09:20

... died in the mistaken U.S air strike • Rule based Prediction The easiest solution is to encode rules based on constraints from event arguments and positions of two events We design three types of ... propagation rules outweigh the risks because it can successfully predict a lot of unknown time arguments which were not possible using the traditional time argument extraction techniques Conclusion ... match one of the TimeCue event type and argument role combinations in Table Event Typei Conflict Justice Life-Die/Life-Injure Life-Be-Born/LifeMarry/Life-Divorce Movement-Transport Transaction Contact...

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ON CONSISTENCY CHECKING OF SPATIAL RELATIONSHIPS IN CONTENT-BASED IMAGE DATABASE SYSTEMS potx

Ngày tải lên : 07/03/2014, 14:20

... content- based image indexing and retrieval In Section 3, we concentrate on investigating the consistency checking component, which is used to verify the consistency of content- based information ... Interface to the Consistency Checking Component The Consistency Checking Mechanism will be invoked to verify the consistency among spatial relationships in the content- based description of the query ... the Database, based on their content- based meta-data information This picture-matching process may also invoke the Deduction and Reduction Mechanism in the Spatial Reasoning component to regenerate...

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09 - personalized email prioritization based on content and social network analysis

Ngày tải lên : 22/03/2014, 22:26

... agent -based simulation and counterterrorism, defense modeling, and simulation Moon has a PhD in computation, organization, and society from Carnegie Mellon University Contact him at icmoon@smslab.kaist.ac.kr ... the transitional probabilities among users based on unlabeled email interactions The second term in the formula represents the supervised label bias over users Constant a ∈ [1, 0] controls the ... social network, not based on personal social networks or the content information in email messages centralized access to customer private data in the development cycle or evaluation phase, and we...

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báo cáo hóa học: " Evaluation of adaptation to visually induced motion sickness based on the maximum cross-correlation between pulse transmission time and heart rate" docx

Ngày tải lên : 19/06/2014, 10:20

... discrete time based on k∆t For a simple expression, x(k) = PTT(k) and y(k) = HR(k) At each second, the cross-correlation function, ϕxy(τ), at lag time τ from x(k) to y(k) was calculated timediscretely ... Yambe T, Nitta S: Quantification of emotional reaction based on cross-correlation between pulse wave transmission time and heart rate in the Mayer wave-band J Japan Circ Cont in Med 2004, 25(1):41-49 ... visually induced motion sickness (VIMS) [8-11] and eye strain In particular, when a patient watches an image changed based on real -time information of his head-position, which is sometimes used in VR...

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Báo cáo hóa học: " Real-time stereo matching architecture based on 2D MRF model: a memory-efficient systolic array" doc

Ngày tải lên : 21/06/2014, 01:20

... propagation Section defines a layer structure and explains an FBP sequence A new iteration filter algorithm considering iteration directions is described in Section For a VLSI realization, Section ... Directions Local buffer region Figure Layer and local buffer access at each layer New iteration sequence considering the iteration direction Let us consider the message propagation direction for ... its newapplications Proceedings of the IEEE International Conference on Computer Vision and Pattern Recognition 1996 Konolige K: Small vision systems: Hardware and implementation Proceedings of...

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Báo cáo hóa học: " Research Article Iterative Successive Interference Cancellation for Quasi-Synchronous Block Spread CDMA Based on the Orders of the Times of Arrival" pot

Ngày tải lên : 21/06/2014, 09:20

... User 1, case 2, one iteration User 2, case 2, one iteration User 3–8, case 2, one iteration User 1, case 2, two iterations User 2, case 2, two iterations User 3–8, case 2, two iterations User 2, ... power, case TOA, case 1, one iteration TOA, case 2, one iteration TOA, case 3, one iteration TOA, case 1, two iterations TOA, case 2, two iterations TOA, case 3, two iterations Figure 11: Average ... 15 20 SNR (dB) User 1, simulation User 2, simulation User 3, simulation User 4, simulation User 5, simulation User 6, simulation User 7, simulation User 8, simulation Analysis Figure 3: SINR versus...

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Báo cáo sinh học: " Research Article Robust Real-Time Background Subtraction Based on Local Neighborhood Patterns" pot

Ngày tải lên : 21/06/2014, 16:20

... statistical approach for real -time robust background subtraction and shadow detection,” in Proceedings of the 7th IEEE International Conference on Computer Vision, Frame Rate Workshop (ICCV ’99), ... subtraction,” in Proceedings of the European Conference on Computer Vision (ECCV ’00), pp 751–767, Dublin, Ireland, 2000 [14] A Mittal and N Paragios, “Motion -based background subtraction using ... Transactions on Pattern Analysis and Machine Intelligence, vol 25, no 7, pp 918–923, 2003 [5] G Obinata and A Dutta, Vision Systems: Segmentation and Pattern Recognition, I-TECH Education and Publishing,...

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Báo cáo hóa học: "Research Article A Novel Criterion for Writer Enrolment Based on a Time-Normalized Signature Sample Entropy Measure" pptx

Ngày tải lên : 21/06/2014, 19:20

... Maltoni, “An online signature veriﬁcation system based on fusion of local and global information,” in Proceedings of the 5th IAPR International Conference on Audioand Video -Based Biometric Person ... 50 60 Persons High Personal Entropy Medium Personal Entropy Low Personal Entropy 80 90 100 High Personal Entropy Medium Personal Entropy Low Personal Entropy (a) 70 (b) Figure 3: Personal Entropy ... allowing the online categorization of any new user whose signatures are acquired in similar conditions (same digitizer, similar tablet resolution, and same acquisition protocol) Based on this result,...

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báo cáo hóa học:" Research Article Musical Sound Separation Based on Binary Time-Frequency Masking" pot

Ngày tải lên : 21/06/2014, 20:20

... gain among all the binary masks under certain conditions [10] Compared to nonoverlapped regions, making reliable binary decisions in overlapped regions is considerably more EURASIP Journal on Audio, ... proposed system is to utilize contextual information available in a musical scene Harmonics in nonoverlapped regions, called nonoverlapped harmonics, contain information that can be used to infer ... monaural musical sound separation We ﬁrst label each TF unit based on the values of the autocorrelation function at time lags corresponding to the two underlying pitch periods We adopt the concept...

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Báo cáo hóa học: " Research Article The Existence of Positive Solutions for Third-Order p-Laplacian m-Point Boundary Value Problems with Sign Changing Nonlinearity on Time Scales" ppt

Ngày tải lên : 21/06/2014, 20:20

... being nonnegative on time scales Therefore, it is a natural problem to consider the existence of positive solution for higher order p-Laplacian equations with sign changing nonlinearity on time ... corresponding iterative scheme for the problem by using the monotone iterative technique All the above works were done under the assumption that the nonlinear term is nonnegative The key conditions ... positive solution is concave down If the nonlinearity is negative somewhere, then the solution needs no longer to be concave down As a result, it is diﬃcult to ﬁnd positive solutions of the pLaplacian...

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Báo cáo hóa học: " Research Article Motion Segmentation for Time-Varying Mesh Sequences Based on Spherical Registration" potx

Ngày tải lên : 21/06/2014, 22:20

... motion segmentation [21, 22], key frame extraction [23], content- based retrieval [24, 25], and editing [26] Other applications from other groups can also be found in [27, 28] Motion segmentation, ... visual actions based on spatio-temporal motion patterns,” in Proceedings of IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR ’00), vol 1, pp 111–118, Hilton Head ... long as mentioned otherwise The processing time for calculating (1) was about a second on average using MATLAB with MEX function (some critical functions were accelerated by the C language) on...

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Báo cáo hóa học: " Blind Separation of Nonstationary Sources Based on Spatial Time-Frequency Distributions" doc

Ngày tải lên : 22/06/2014, 23:20

... 150 Time 0.3 0.2 0.1 0.3 0.2 0.1 50 100 150 200 250 50 Time 100 150 200 250 Time (c) Without orthogonalization, based on |Cx (t, f )| (α1 = 0.9, γ1 = 0.2) (d) With orthogonalization, based on ... frequency 150 Time 0.3 0.2 0.1 0.3 0.2 0.1 50 100 150 200 250 50 100 Time (c) Without orthogonalization, based on |Cx (t, f )| (α2 = 0.4, γ2 = 0.1) 200 250 (d) With orthogonalization, based on |Cz (t, ... 0.3 0.2 0.1 50 100 150 200 250 50 100 Time (a) Without orthogonalization, based on Cx (t, f ) (α2 = 0.4, γ2 = 0.1) 200 250 (b) With orthogonalization, based on Cz (t, f ) (α4 = 0.4, γ4 = 0.1) 0.5...

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Báo cáo hóa học: " Research Article Underwater Noise Modeling and Direction-Finding Based on Heteroscedastic Time Series" docx

Ngày tải lên : 22/06/2014, 23:20

... gradient -based minimization, the Newton approach These methods are based on multidimensional searching and minimization of log-likelihood function onto parameter space and have heavy computational ... 485–500, 2004 P Stoica and A Nehorai, “Performance study of conditional and unconditional direction-of-arrival estimation,” IEEE Transactions on Acoustics, Speech, and Signal Processing, vol 38, no ... time- varied variance over time is more useful than a constant one for modeling non-Gaussian and non-stationary phenomena such as economic series Generalization of ARCH that is proposed in [7] is called...

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Báo cáo hóa học: " Research Article Dynamic Bandwidth Allocation Based on Online Trafﬁc Prediction for Real-Time MPEG-4 Video Streams" ppt

Ngày tải lên : 22/06/2014, 23:20

... allocation approach based on long-term online traffic prediction over RED-VBR and the predictive dynamic bandwidth allocation based on single-step-ahead traffic prediction; and (3) introducing the new concept ... reservation will be used in the connection admission control later to determine if a new connection can be admitted ONLINE NETWORK TRAFFIC PREDICTOR Aimed at maximizing the merit of prediction -based ... Renegotiation control Renegotiation requests Accept/reject Reallocation control Figure 1: Dynamic bandwidth allocation architecture (5) Reallocation control This is to determine, based on the traffic...

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Báo cáo hóa học: " A Receiver for Differential Space-Time π/2-Shifted BPSK Modulation Based on Scalar-MSDD and the EM Algorithm" ppt

Ngày tải lên : 23/06/2014, 00:20

... comparison (conventional ST-DD, selectiondiversity EM -based receiver, MRC); N = 16 18 20 22 EM-10 Coherent (diﬀ enc.) Figure 4: BER comparison (conventional ST-DD, selectiondiversity EM -based receiver, ... 1400–1416, 2003 [23] D M Ionescu, On space -time code design,” IEEE Transactions on Wireless Communications, vol 2, no 1, pp 20–28, 2003 [24] T K Moon, “The expectation-maximization algorithm,” IEEE ... estimation and sequence detection, are described in Section The bit error performance of the proposed receiver is given in Section 4, while conclusions of this investigation are made in Section 2.1...

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Báo cáo khoa học: "A comparison of daily representations of canopy conductance based on two conditional timeaveraging methods and the dependence of daily conductance on environmental factors" ppsx

Ngày tải lên : 09/08/2014, 04:20

... obtain conductance information diurnally [13, 30] Extrapolation from maximum diurnal values of leaf or canopy conductance to averaged daily conductance estimates based on environmental relationships ... on mean daily conditions, is shown in figure Also continuum has long been recognized [20, 21], its effect on computations of canopy conductance when utilizing stem sap flux measurements has only ... robustness of a daily conductance based on mean daily conditions Our inability in this study to determine a consistent time lag which could be used to rectify the non-steady state relationship between...

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Báo cáo y học: " Effect of oat bran on time to exhaustion, glycogen content and serum cytokine profile following exhaustive exercise" pdf

Ngày tải lên : 11/08/2014, 23:21

... 4.5 23.8 Donatto et al Journal of the International Society of Sports Nutrition 2010, 7:32 http://www.jissn.com /content/ 7/1/32 Determination of muscle and hepatic glycogen concentrations The muscle ... http://www.jissn.com /content/ 7/1/32 in a worst metabolic condition On the other hand, EXO swam an average of hours longer, totalling 13 hours of physical exercise with lower levels of IL-6 and corticosterone, consequently ... as: Donatto et al.: Effect of oat bran on time to exhaustion, glycogen content and serum cytokine profile following exhaustive exercise Journal of the International Society of Sports Nutrition...

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Predicting in vivo anti hepatofibrotic drug efficacy based on in vitro high content analysis

Ngày tải lên : 10/09/2015, 15:48

... success rate Conventional drug discovery can be broadly divided into two paradigms: biology -based and target -based approaches [79] Biology -based drug discovery is based on the identification of natural ... highest drug concentration) For these drugs, the highest working concentration is 100x diluted from the stock concentration On average, about 100 to 150 cells were captured per image for control cells ... action of a drug Such information will be very useful in drug discovery research Figure 1.1 High -content analysis platform, with core components: sample preparation, automated image acquisition,...

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