báo cáo hóa học:" Research Article Automatic Query Generation and Query Relevance Measurement for Unsupervised Language Model Adaptation of Speech Recognition" doc
báo cáo hóa học:" Research Article Automatic Query Generation and Query Relevance Measurement for Unsupervised Language Model Adaptation of Speech Recognition" doc
... 140575, 12 pagesdoi:10.1155/2009/140575 Research Article Automatic Query Generation and Query Relevance Measurement for Unsupervised Language Model Adaptation of Speech RecognitionAkinori Ito,1Yasutomo ... propose a method of query composition and document downloading for adaptation of language model of a speech recognizer, based on Web data usinga search engine. The framework of the adaptation issimilar ... transcription,becausewehavetorecognizethespeechdocumentatleast twice, download thousands of Web documents, and train a language model. Therefore, this kind of method isnot suitable for real-time speech transcription,...
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Báo cáo hóa học: " Research Article Automatic IP Generation of FFT/IFFT Processors with Word-Length Optimization for MIMO-OFDM Systems" doc
... Fanucci, and P. Terreni, Automatic synthesis of cost effective FFT/FFT cores for VLSIOFDM systems,” IEICE Transactions on Electronics, vol. E91-C,no. 4, pp. 487–496, 2008.[18]N.LiandN.P.VanDerMeijs,“Aradix22based ... ocessingVolume 2011, Article ID 136319, 15 pagesdoi:10.1155/2011/136319 Research Ar ticle Automatic IP Generation of FFT/IFFT Processors withWord-Length Optimization for MIMO-OFDM SystemsPei-Yun ... techniques, we can strike a good balance for the performance and the hardware cost of the generated IPcores. The generated FFT soft IP cores are portable and independent of the silicon technology, which...
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Báo cáo hóa học: " Research Article Robust Blind Frequency and Transition Time Estimation for Frequency Hopping Systems" doc
... conclusions.2. Signal Model and Problem FormulationIn this section, the signal model of FHSS is analyzed and the mathematical form of a likelihood function is derived.The two-hop signal model for frequency ... versus SNR with K = random. (a) RMSE of f1estimate, (b) RMSE of f2estimate, (c) RMSE of K estimate, and (d) error probability of K.AppendixThe likelihood function of the received signal ... RMSE of f1estimate, (b) RMSE of f2estimate, (c) RMSE of Kestimate, and (d) error probability of K.6. ConclusionsA robust blind frequency and timing estimation algorithmis developed for...
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Báo cáo hóa học: " Research Article Joint Sensing Period and Transmission Time Optimization for Energy-Constrained Cognitive Radios" doc
... Illustration of the time behavior of PU and SU under twodifferent access policies.2. System Model and Problem FormulationIn this section, we first present the system model and the timebehaviors of PU and ... behavior of the PU is not time slotted and switchesbetween ON and OFF states. Furthermore, we model thetime behavior of the PU by a two-state ON/OFF CTMC,which arise from [7]. And this modeling ... results areOFF) and transmits in both “OFF slots” and “ON slots”.The optimal allocation of sensing period and trans-mission time for two access policies are formulated and the closed-form solutions...
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Báo cáo hóa học: "Research Article An Extragradient Method and Proximal Point Algorithm for Inverse Strongly Monotone " pdf
... commonelement of the set of zero of a maximal monotone operator and the set of solution of thevariational inequality problem for an inverse-strongly-monotone operator in a 2-uniformlyconvex and uniformly ... et al. 4, and Iiduka and Takahashi 6, we introduce the iterative scheme 3.1 for finding a commonelement of the set of zero of a maximal monotone operator and the solution set of thevariational ... problem of finding a zero point of a maximal monotone operator of E into E∗ and a zero point of an inverse-strongly-monotone operator of E into E∗.Inthecase where C E.Fixed Point Theory and...
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báo cáo hóa học:" Research Article Rate Distortion Analysis and Bit Allocation Scheme for Wavelet Lifting-Based Multiview Image Coding" potx
... bits tosubbands based on their energies) of L and H subbands interms of average PSNR in the range of 1∼ 2dBand0.2 ∼0.6 dB comparing with the exponential and power models.Figures 7 and 8 show ... bits for L and H subbands and the complexity of the first part of both models is O(n log(n/ε)), where n is the iteration step and ε is the tolerance. Thus, the complexity of the combined model ... 41.8316 42.1802 42.3751 42.4426 model, exponential model, and power model with the actualrate distortion curves of H subband and L subband, whenTsukuba, Teddy, and Venus are used as test images....
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Báo cáo hóa học: " Research Article StereoBox: A Robust and Efficient Solution for Automotive Short-Range Obstacle Detection Alberto Broggi, Paolo Medici, and Pier Paolo Porta" potx
... aloading dock.This type of accidents accounts for approximately 10% of all accidents between trucks and unprotected road users and about 20% of all fatal accidents between trucks and unpro-tected ... provide vehicles with dif-ferent types and levels of “intelligence” to complement thedriver. Information systems expand the driver’s knowledge of routes and locations. Warning systems, such as ... without the knowl-edge of the intrinsic and extrinsic parameters of camerasAlberto Broggi et al. 76. CONCLUSION AND FUTURE WORKThis paper presents an easy, fast, and reliable stereo obsta-cle...
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Báo cáo hóa học: "Research Article Linearized Riccati Technique and (Non-)Oscillation Criteria for Half-Linear Difference Equations" docx
... λ>1 and nonoscillatory ifλ<1.AcknowledgmentsThe research is supported by Grant no. 201/07/0145 of the Czech Grant Agency of the CzechRepublic and the Research Project no. MSM0022162409 of ... theTaylor formula for the functionFk,v :Rk vHk, v at the center v 0 see the com-putations in the proof of Theorem 4.1 and observe that 4.29 is still sufficient for the uniformconvergence ... wk≥ vk for k ∈ m, ∞. In particular, if ck≥ 0 and ∞r1−qk ∞,then wk≥ 0 for large k.The next statement relates nonoscillation of 1.1 to the existence of a certain solution of the...
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Báo cáo hóa học: " Research Article Combining Wavelet Transform and Hidden Markov Models for ECG Segmentation" pptx
... ProcessingVolume 2007, Article ID 56215, 8 pagesdoi:10.1155/2007/56215 Research Article Combining Wavelet Transform and Hidden MarkovModels for ECG SegmentationRodrigo Varej˜ao Andre˜ao1 and J´erˆome ... approach and the physician (the standard deviation for all recordingsis computed as the average of the standard deviations of each recording);(ii) waveform detection: it gives the percentage of wave-forms ... dimensions: time and waveform model. As aresult, the Viterbi algorithm provides not only the best statesequence of each model but also the best sequence of con-nected waveform models.We have...
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Báo cáo hóa học: " Research Article Automatic Detection and Recognition of Tonal Bird Sounds in Noisy Environments" pot
... for voicing charac ter estimation of speech signals [15 ]and employed it for automatic speech and speaker recognition[16, 17] and speech alignment [18]. Here, we will explorethe employment of ... evaluations areperformed using a standard model that is trained on cleandata and also using a model that compensates for theeffect of the noise. The multi-condition training approachis used for the latter. ... 2Dmedian filter of size 15× 3, where the first and seconddimension sizes correspond to the number of frames and spectral points, respectively.An example of a waveform and spectrogram of a cleantonal...
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