Báo cáo hóa học: " Research Article Video Summarization Based on Camera Motion and a Subjective Evaluation Method" potx
Báo cáo hóa học: " Research Article Video Summarization Based on Camera Motion and a Subjective Evaluation Method" potx
... temporal integration of zoom/translationPhase 3: camera motion description Camera motion classification and descriptionFigure 1: System architecture for camera motion classification and description.frames ... Guironnet et al. 3 Video streamPhase 1: motion parameter extractionPhase 2: camera motion classificationStage 1: combination based on heuristic rulesStage 2: static/dynamic separationStage ... tr anslation (pan and/ or tilt), zoom and static camera in a video. The systemarchitecture, depicted in Figure 1,ismadeupofthreephases: motion parameter extraction, camera motion classification(e.g.,...
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Báo cáo hóa học: " Research Article Multicarrier Communications Based on the Affine Fourier Transform in Doubly-Dispersive Channels" pot
... ground and aircraft when the aircraft takeoffsorisabouttoland.Itis assumed that the LOS and scattered components arrivedirectly in front of the aircraft and the beamwidth of thescattered components ... interferencecharacterization of OFDM and FrFT-MC systems. A practical interference analysis and implementationof AFT-MC system is given for aeronautical and land-mobile satellite (LMS) systems. The conventional ... the aeronautical channels. A detail analysis of interference characterization of each of thestage of the flight (en-route, arrival and takeoff, taxi, and parking) is given. The en-route stage...
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Báo cáo hóa học: " Research Article Time-Frequency-Based Speech Regions Characterization and Eigenvalue Decomposition Applied to Speech Watermarking" pptx
... applications such as cell-phone tracking. Recently, an interesting application of speechwatermarking has appeared in air trafficcontrol[11]. Theair traffic control relies on voice communication ... Stankovi´c, T. Thayaparan, and M. Dakovi´c, “Signal decom-position by using the S-method with application to theanalysis of HF radar signals in sea-clutter,” IEEE Transactions on Signal ... betweenthe aircraft pilot and air traffic control operators. Thus,the embedded digital information can be used for aircraftidentification.The paper is organized as follows. A theoretical back-ground on...
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Báo cáo hóa học: " Research Article Face Retrieval Based on Robust Local Features and Statistical-Structural Learning Approa" pptx
... statisticalinformation.We illustrate our approach on an example of faceimage database retrieval task. The face database problem isselected because of the existence of standardized datasets and evaluation ... 2030–2035, Montreal,Canada, July-August 2005.[19] J. Roure and M. Faundez-Zanuy, “Face recognition with small and large size databases,” in Proceedings of the 39th AnnualInternational Carnahan Conference ... datasets and evaluation procedureswhich enables comparison with other results. This is espe-cially in the case of FERET face image database maintainedby the National Institute of Standard and...
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Báo cáo hóa học: " Research Article An Algorithm Based on Resolvant Operators for Solving Positively Semidefinite Variational Inequalities" doc
... evolution case,” Journal of Optimization Theory and Applications, vol. 69, no. 2, pp. 373–396, 1991.[3] R. Ahmad, Q. H. Ansari, and S. S. Irfan, “Generalized variational inclusions and generalized ... varia-tional inclusions,” Applied Mathematics and Computation, vol. 145, no. 2-3, pp. 795–803, 2003.[6] A. Hassouni and A. Moudafi, A perturbed algorithm for variational inclusions,” Journal ... 4.5,whichisbasedonM-monotone operator, is actually much simpler tosolve and easier to analyze than using algor ithm based on maximal monotone map. Weillustrate this by the following example.Example...
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Báo cáo hóa học: " Research Article Calculation Scheme Based on a Weighted Primitive: Application to Image Processing Transforms" docx
... have similar computationalstructures, none of them appears to have a substantial speedadvantage [21]. As a practical matter, highly optimized real-input FFT libraries are available from many ... two nonzero entries per row and column)that allows an iterative calculation of HNx,foranyx ∈ RN.Since the matrices are sparse and orthogonal, the factoriza-tion of HNgenerates a fast and ... 15–23, Orlando, Fla, USA, July 2002.[2] P.Yan,Y.L.Mo,andH.Liu,“Imagerestorationbasedonthediscrete fraction Fourier transform,” in Image Matching and Analysis, B. Bhanu, J. Shen, and T. Zhang, Eds.,...
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Báo cáo hóa học: " Research Article Video-Object Oriented Biometrics Hiding for User Authentication under Error-Prone Transmissions" docx
... InternationalSymposium on Circuits and Systems, vol. 2, pp. II1–II4,Vancouver, Canada, May 2004.[21] A. K. Jain and U. Uludag, “Hiding biometric data,” IEEETransactions on Pattern Analysis and ... and they are released based on some alternative authentication mechanism (e.g., password).However, several passwords are simple and they can be easilyguessed (esp ecially based on social engineering ... examined fromthe areas of image error concealment, region restoration, orregion matching. Based on the focus of the first area, thelost biometric data can be concealed from the authenticationmodule,...
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Báo cáo hóa học: " Research Article Video Frames Reconstruction Based on Time-Frequency Analysis and Hermite Projection Method" docx
... (e.g., AC (4, 4) in Figure 7(d))canbepartlynonstationary and require just a partial reconstruction withHermite coefficients.The total number of stationary, partly nonstationary, and nonstationary ... 222222222222Figure 1: An illustration of stationary and nonstationary blocks in a sequence of frames (box 1-stationary block, box 2-nonstationaryblock).3. Video Analysis and Reconstr uction UsingTime-Frequency ... that is mostly stationary over time and has just a couple of short nonstationary parts (Figure 6(b))will be called partly nonstationary. Here, we assume that a partly nonstationary sequence has...
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Báo cáo hóa học: " Research Article Video Data Hiding for Managing Privacy Information in Surveillance Systems" ppt
... acquisition cameras and camcorders,” US patent 6067399, Sony Corporation, May2000.[3] J. Wada, K. Kaiyama, K. Ikoma, and H. Kogane, “Moni-tor camera system and method of displaying picture frommonitor ... employ a similar approach. Data hiding has beenused in various applications such as copyright protection,authentication, fingerprinting, and error concealment. Eachapplication imposes a different ... A. Patwardhan, G. Sapiro, and M. Bertalmio, Video inpainting under constrained camera motion, ” IEEE Transac-tions on Image Processing, vol. 16, no. 2, pp. 545–553, 2007.6 EURASIP Journal on...
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Báo cáo hóa học: " Research Article Video Enhancement Using Adaptive Spatio-Temporal Connective Filter and Piecewise Mapping" ppt
... of videos. Bennett and McMillan [21] presented the adaptive spatio-temporalaccumulation (ASTA) filter that adapts from temporal bilat-eral filter to spatial bilateral filter based on a tone-mappingobjective ... Chang and W R. Wu, “Image contrast enhancement based on a histogram transformation of local standarddeviation,” IEEE Transactions on Medical Imaging, vol. 17, no.4, pp. 518–531, 1998.[31] Adobe ... form an adaptive spatio-temporal connective(ASTC) filter to reduce mixed noises. ASTC filter adapts from a temporal filter to a spatial one based on noise level and local motion characteristics, and...
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