Báo cáo hóa học: " Energy-Based Collaborative Source Localization Using Acoustic Microsensor Array" doc

... nominal trajectory for this activity. Using the rank theorem for noisy measurements, the measurement matrix can be factorized into two matrices  P and  S by using SVD and retaining the top two ... in Figure 3 and used in activity recognition experiments. 5.1.2. Activity representation using 3D models Using the video sequences and our knowledge of the DI for each activity, we applied...

Ngày tải lên: 22/06/2014, 19:20

... for passive acoustic source localization, ” Journal of the Acoustical Society of America, vol. 107, no. 1, pp. 384–391, 2000. [11] J.Chen,J.Benesty,andY.Huang,“Timedelayestimationin room acoustic ... the SLF for sequential 3D source localization. To address this issue, this work introduces a generalized framework for combining TDE functions in TDE-based localization using partic...

Ngày tải lên: 22/06/2014, 00:20

... predictors [18,19] and hybrid methods that integrate several sources of information to predict localization [20-23]. Although numerous protein localization predictions exist for whole prokaryotic and ... exploit cellular localization mechanisms. We also use the PSLT human localization predictor [22] to demonstrate that an appropriately chosen predictor can accurately predict the intra...

Ngày tải lên: 20/06/2014, 01:20

... 40 0 5 10 15 20 Position (meters) Position (meters) Localization with MDS and Statistical Peak Selection Actual Location Estimated Location Figure 7 Localization using our s tatistical peak-selection method. ... Indoor Localization Using a Spatial Channel Signature Database. Antennas and Wireless Propagation Letters, IEEE. 5, 406–409 (2006) 10. J Garnier, G Papanicolaou, Passive...

Ngày tải lên: 20/06/2014, 22:20

... WSNs localization in the presence of the uncertainties in the positions of RDs. Besides the above localization algorithms, some studies have been reported on performance analyses for WSNs localization ... IEEE International Conference on Acoustics, Speech, and Signal Processing April 20034:6-10, 4. Ji X, Zha HY: Sensor positioning in wireless ad-hoc sensor networks using multidimensio...

Ngày tải lên: 21/06/2014, 03:20

... a new challenge for localization- based systems,” Computer Communications, vol. 31, no. 12, pp. 2838–2849, 2008. [11] R. Parker and S. Valaee, “Vehicular node localization using received-signal-strength ... 128679, 13 pages doi:10.1155/2009/128679 Research Article Probabilistic Localization and Tracking of Malicious Insiders Using Hyperbolic Position Bounding in Vehicular Networks Ch...

Ngày tải lên: 21/06/2014, 20:20

... algorithm predicts the robot position using the motion model of EKF localization (lines 3 and 4). All laser measurements are represented as line features using the least square algorithm. If the ... object. Also, the experiment of localization with EKF and odometer data is conducted. Finally, the performance of PF using the stream field-based motion model and RBPF using the stream...

Ngày tải lên: 21/06/2014, 20:20

... the source powers (as potential transmit sources) that are above the channel noise power, that is, snr k = ρ 2 k /σ 2 n > 1, k = 1, 2, , E {εε H }=σ 2 n I N , where snr k is the transmit source ... will identify each source (given the source direction) and its associated multipath arrivals (if present). Here we assume that the radar has been able to identify the desired source as...

Ngày tải lên: 21/06/2014, 22:20

... centered on self -localization. With GPS technology becoming more affordable, highly performing and well adept at filling the handset-based requirements, we focus our efforts on network-based localization ... network, the source location of a given message may be approximated from the coordinates of receiving devices, assuming an omni- directional propagation pattern. We propose two localiz...

Ngày tải lên: 21/06/2014, 23:20

... (m) 0.511.52 D/R OTI c Fuller, anchors: 4, nodes: 40, BW: 500MHz Traditional localization Cooperative localization Figure 4: Traditional triangulation versus cooperative localization performance. N/D 2 . 5000 Monte Carlo ... the range and localization accuracy. Therefore, there is a need to analyze the impact of these channel limitations on the performance of cooperative localization...

Ngày tải lên: 22/06/2014, 06:20