techniques  for  noise  robustness  in  automatic  speech  recognition

techniques for noise robustness in automatic speech recognition

Ngày tải lên : 03/05/2014, 20:50
... refer to as “training” instances. In the equations below, we denote individual training instances by X, and the sum over all the training instances by  X . Since individual training instances are ... 29 Song Song P( sin g| si n g son g) P(song|song sing) Sing Sing Sing Song <s> </s> P(sing|sing sing) P(song|sing sing) P(sing|song song) P(song|song song) P(</s>|<s>) Figure 2.11 A graph representing a trigram ... modeling of the uncertainty caused by noise in the recognition system. It first discusses feature-based uncertainty, which enables modeling of the uncertainty in enhanced signals or features obtained...
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advanced experimental methods for noise research in nanoscale electronic devices

advanced experimental methods for noise research in nanoscale electronic devices

Ngày tải lên : 04/06/2014, 15:13
... and B. Pellegrini Super-Poissonian Noise in Nanostructures 53 Ya. M. Blanter Stochastic and Deterministic Models of Noise 61 J. Kumiþák II. Noise in Nanoscale Devices Noise in Optoelectronic ... reached. In the bottom-up approach one can, in principle at least, build-up nanostructures with the desired noise properties, therefore noise- oriented design could be of importance in nanoengineering. ... perennial questions in the field of low-frequency noise in solid are discussed in the light of some recent achievements concerning the investigation of the noise phenomena in nanomaterials and...
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Báo cáo toán học: " Transient noise reduction in speech signal with a modified long-term predictor" ppt

Báo cáo toán học: " Transient noise reduction in speech signal with a modified long-term predictor" ppt

Ngày tải lên : 20/06/2014, 21:20
... sampling frequency of the speech is 8 kHz . Since the transient noise is recorded in real environment, additive background noise such as fan noise is also included in the recoded noise signal. In ... efficiently removes transient noise while preserving the slowly varying component in the input signal. In other words, the slowly varying component of desired speech remains in the output of the median ... that input noise is sta- tionary or slowly varying [1-3]. Therefo re, the linear fil- tering methods cannot remove transient noise easily which has abruptly varying characteristic [4-6]. In gen- era...
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Báo cáo hóa học: " Suitability of bilateral filtering for edge-preserving noise reduction in PET" pdf

Báo cáo hóa học: " Suitability of bilateral filtering for edge-preserving noise reduction in PET" pdf

Ngày tải lên : 20/06/2014, 23:20
... principal virtues have widely been recognised in 2D image processing [9,12,13] and, more recently, in medical imaging as well [2-6], but applications in Nuclear Medicine in general and P ET in ... filters routinely applied for noise reduction in PET. Bilateral filtering allows to increase the SNR of PET image data while preserving spatial resolution at object boundaries, thus maintaining the ... indicated in Figure 2. R OI position was chosen identical in the original and filtered image data. For each study the noise level was then determined in the original image as well as in the MAF...
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Mitigation Techniques To Reduce Alien Crosstalk Noise In 10GBE Channels Using UTP Cabling

Mitigation Techniques To Reduce Alien Crosstalk Noise In 10GBE Channels Using UTP Cabling

Ngày tải lên : 27/10/2013, 17:15
... Mitigation 060625 Mitigation Techniques To Reduce Alien Crosstalk Noise In 10GBE Channels Using UTP Cabling These mitigation techniques are good installation practices that will benefit both Class E and ... applications by applying where possible a combination of some of the following; At the Floor Distributor Remove cable ties from bundles in the telecommunication room racks, cabinets and pathways. ... cords in Random Lay so that there is less chance of coupling from parallel runs. Replace existing Category 6 patch panels with polymer Category 6 A staggered-socket patch panels. This increases...
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Tài liệu ADC KRONE - Guide - Mitigation Techniques To Reduce Alien Crosstalk Noise In 10GBE Channels ppt

Tài liệu ADC KRONE - Guide - Mitigation Techniques To Reduce Alien Crosstalk Noise In 10GBE Channels ppt

Ngày tải lên : 20/12/2013, 22:15
... between socket mounting holes (that the socket clips into). General Consider doing several mitigation techniques together (e.g. removing fasteners, unbundling and applying Random Lay, plus changing patch ... the entire length. Separating only at the beginning of the channel improves the ANEXT, but it does not improve AACR-F. Replace the existing Category 6 cabling with CopperTen cabling. At the TO When ... faceplates instead of a single triple socket faceplate. If this is not possible, use different protocols like only one 10GBE and two Category 6 outlets in a triple socket faceplate. In MUTO assemblies,...
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Báo cáo khoa học: "On the Evaluation and Comparison of Taggers: the Effect of Noise in Testing Corpora." doc

Báo cáo khoa học: "On the Evaluation and Comparison of Taggers: the Effect of Noise in Testing Corpora." doc

Ngày tải lên : 08/03/2014, 05:21
... Voutilainen, A. 1997. Compar- ing a Linguistic and a Stochastic Tagger. In Pro- ceedings of joint E/A CL meeting. 1001 On the Evaluation and Comparison of Taggers: the Effect of Noise in Testing ... Proceedings of joint E/ACL meeting. Mooney, R.J. 1996. Comparative Experiments on Disambiguating Word Senses: An Illustration of the Role of Bias in Machine Learning. In Proceed- ings of EMNLP'96 ... in Information Retrieval. In Proceedings of joint E/A CL meeting. M~trquez, L. and Padr6, L. 1997. A Flexible POS Tagger Using an Automatically Acquired Lan- guage Model. In Proceedings...
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OPTICAL COATINGS AND THERMAL NOISE IN PRECISION MEASUREMENT pot

OPTICAL COATINGS AND THERMAL NOISE IN PRECISION MEASUREMENT pot

Ngày tải lên : 30/03/2014, 19:20
... Understanding and reducing mechanical losses in coatings materials and validating this in direct thermal noise measurements. (2) Direct measurement of coating thermo-optic noise and its minimization. 14 (3) ... measurements. r Thermal noise: mirror thermal noise and suspension/spacer thermal noise. r Optical readout noise: shot noise and radiation pressure noise. r Laser noises: laser frequency noise and laser intensity noise. r Non-fundamental ... optical readout noise. 4 Shot noise Shot noise originates in the photon counting statistics at the signal detection port of an interferometer. When a photocurrent, i DC , flows in a photodetector,...
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Báo cáo hóa học: " Procedure for the steady-state verification of modulation-based noise reduction systems in hearing instruments" doc

Báo cáo hóa học: " Procedure for the steady-state verification of modulation-based noise reduction systems in hearing instruments" doc

Ngày tải lên : 20/06/2014, 22:20
... Hamacher, M Wesselkamp, Hearing instruments noise reduction strategies, in Proceedings 18th Danavox Symposium: Auditory Models and Non-linear Hearing Instruments, Kolding, Denmark, pp. 359–377 ... the partitioning of the system’s input domain into equiva- lence classes holds. Especially for systems wi th highly non-monotonic input-output relationships we expect difficulty in finding suitable ... 2011:100 http://asp.eurasipjournals.com/content/2011/1/100 Page 16 of 20 Table 1 indicate sources of the information contained in the corresponding requirement. The design of the investigated noise reduction subsys- tem is shown in Figure 4: • The gray...
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báo cáo hóa học: " Robustness of digitally modulated signal features against variation in HF noise model" pdf

báo cáo hóa học: " Robustness of digitally modulated signal features against variation in HF noise model" pdf

Ngày tải lên : 21/06/2014, 02:20
... details 1 Electrical Engineering Department, College of Engineering, King Saud University, Riyadh, Saudi Arabia 2 Prince Sultan Advanced Technologies Research Institute/STC-Chair, King Saud University, ... decomposition. in Proceedings of 8th International Conference on Signal Processing, Beijing, 3,16 –20, November 2006 16. OA Dobre, A Abdi, Y Bar-Ness, W Su, Selection combining for modulation recognition in ... Academic, Norwell 1996) 14. T He, XR Jing, Modulation classification using ARBF networks. in Proceedings of ICSP, Beijing, China, 1809–18120, August 2004 15. L Peng, W Fuping, W Zanji, Algorithm for modulation...
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Báo cáo hóa học: " Origins of 1/f noise in nanostructure inclusion polymorphous silicon films" ppt

Báo cáo hóa học: " Origins of 1/f noise in nanostructure inclusion polymorphous silicon films" ppt

Ngày tải lên : 21/06/2014, 04:20
... EXPRESS Open Access Origins of 1/f noise in nanostructure inclusion polymorphous silicon films Shibin Li 1,2 , Yadong Jiang 1 , Zhiming Wu 1* , Jiang Wu 2 , Zhihua Ying 3 , Zhiming Wang 2* , Wei Li 1 and Gregory ... noise on the change of material struc- ture of silicon films [13-15]. In this article, we focus on the study of the origins of 1/f noise in pm-Si:H and investigate the influence of boron doping ... different doping ratios in pm-Si:H films at 300 K. The decrease of noise is inversely proportional to frequency. Moreover, the 1/f noise decreased with the increment of boron doping ratio in pm -Si:H...
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Báo cáo sinh học: " Research Article Improved Noise Minimum Statistics Estimation Algorithm for Using in a Speech-Passing Noise-Rejecting Headset" pptx

Báo cáo sinh học: " Research Article Improved Noise Minimum Statistics Estimation Algorithm for Using in a Speech-Passing Noise-Rejecting Headset" pptx

Ngày tải lên : 21/06/2014, 16:20
... in forming effective algorithm for rejection noise. The algorithm embodies fast adapting capability, as sharp change in angle grinder noise characteristics is noticed. Using subwindows makes noise ... noisy speech,” in Proceedings of the IEEE 3rd International Conference on Intelligent Sensing and Information Processing, pp. 146–150, Bangalore, India, December 2005. [33] R. Martin, Noise power ... Article Improved Noise Minimum Statistics Estimation Algorithm for Using in a Speech-Passing Noise- Rejecting Headset Saeed Seyedtabaee and Hamze Moazami Goodarzi Department of Electrical Engineering, Engineering...
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Báo cáo sinh học: " Research Article Two-Dimensional Harmonic Retrieval in Correlative Noise Based on Genetic Algorithm" pdf

Báo cáo sinh học: " Research Article Two-Dimensional Harmonic Retrieval in Correlative Noise Based on Genetic Algorithm" pdf

Ngày tải lên : 21/06/2014, 16:20
... multiplication and additive noise, ” in Proceedings of the 7th International Conference on Signal Processing (ICSP ’04), pp. 264–268, Beijing, China, September 2004. [14] D. R. Brillinger, Time Series: ... multipoints instead of one p oint. Thereby, it could effectively prevent the searching processes from stopping in local optimum solutions. (2) The optimization rule of GA is varied. It is deter- mined ... Signal Processing (ICSP ’98),pp. 43–46, Beijing, China, October 1998. [17] D. E. Goldberg, Genetic Algorithms in Search, Optimization and Machine Learning, Addison-Wesley, Reading, Mass, USA, 1989. [18]...
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Báo cáo sinh học: " Research Article A New Switching-Based Median Filtering Scheme and Algorithm for Removal of High-Density Salt and Pepper Noise in Images" pptx

Báo cáo sinh học: " Research Article A New Switching-Based Median Filtering Scheme and Algorithm for Removal of High-Density Salt and Pepper Noise in Images" pptx

Ngày tải lên : 21/06/2014, 16:20
... and pepper noise. EURASIP Journal on Advances in Signal Processing 5 Array labeled Y 2 depicts the current processing window and a pepper noise pixel. The square shown in solid line represents the window ... estimation) involves three median sorting, namely, right sorting, left, and diagonal sorting. In the proposed filter there is only two sortings. Therefore introduction 6 EURASIP Journal on Advances in ... computational load a minimum. However, small window size leads to insufficient noise reduction. Switching-based median filtering has been proposed as an effective alternative for reducing computational...
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Báo cáo hóa học: "Research Article Comparison of Channel Estimation Protocols for Coherent AF Relaying Networks in the Presence of Additive Noise and LO Phase Noise Stefan Berger and Armin Wittneben" pptx

Báo cáo hóa học: "Research Article Comparison of Channel Estimation Protocols for Coherent AF Relaying Networks in the Presence of Additive Noise and LO Phase Noise Stefan Berger and Armin Wittneben" pptx

Ngày tải lên : 21/06/2014, 17:20
... B1. This will be taken into account in the following by using τ as a parameter for the comparison. 6. Impact of Noise Up to now, phase noise and additive noise perturbing the channel estimates ... Madhow, “Distributed beamforming for information transfer in sensor networks,” in Proceedings of the 3rd International Symposium on Information Processing in Sensor Networks (IPSN ’04), pp. 81–88, ... synchronization of multiple distributed nodes in a wireless network,” in Proceedings of the 8th IEEE Signal Processing Advances in Wireless Communications (SPAWC ’07), Helsinki, Finland, June 2007. [23] J. G....
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