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# Type Title Author Publisher Pub. Year Subjects Call Number
1 پایان نامه به سازی گفتار مبتنی بر روش های آماری Speech Enhancement Based on Statistical Methods
 		ویسی، هادی Veisi, Hadi صنعتی شریف 1390 مدل مخفی مارکوف Hidden Markov Model / بهبود گفتار Speech Enhancement / روش های آماری Statistical Methods / حوزه کپسترال Cepstral Domain / مدل سازی موازی کپسترال - طیف Paralel Cepstral-Spectral (PCS)Modeling / آشکارساز گفتار Voice Activity Detector (VAD)
‭19-42318
2 مقاله A comparative study on single-channel noise estimation methods for speech enhancement Veisi, H. 2012 Minimal tracking.
Comparative performance analysis.
Comparative studies.
Evaluation criteria.
Minimum controlled recursive average.
Noise estimation.
Noise spectrum.
Noise types.
Noisy conditions.
Single-channel.
Speech enhancement system.
VAD.
Intelligent systems.
Signal to noise ratio.
Systems analysis.
Speech enhancement.
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3 مقاله Hidden-Markov-model-based voice activity detector with high speech detection rate for speech enhancement Veisi, H. 2012 Cepstral.
Composite models.
Ergodics.
Noise types.
Noisy speech.
Reference method.
Robust detection.
Soft decision.
Speech detection.
Speech enhancement system.
Speech segments.
Two-state.
Voice activity detection algorithms.
Voice activity detectors.
Detectors.
Hidden Markov models.
Microphones.
Speech analysis.
Speech enhancement.
Speech recognition.
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4 مقاله The integration of principal component analysis and cepstral mean subtraction in parallel model combination for robust speech recognition Veisi, H. 2011 Automatic speech recognition.
Cepstral mean subtraction (CMS)
Parallel model combination (PMC)
PCA-CMS based PMC (PC-PMC)
Principal component analysis (PCA)
Robustness.
Cepstral mean subtraction.
Parallel model combinations.
Algorithms.
Continuous speech recognition.
Convolution.
Covariance matrix.
Maximum likelihood.
Principal component analysis.
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5 مقاله Cepstral-domain HMM-based speech enhancement using vector Taylor series and parallel model combination Veisi, H. 2012 Accurate estimation.
Auto-regressive.
Cepstral domain.
Evaluation results.
Minimum mean square errors (MMSE)
Noisy speech.
Noisy speech signals.
Parallel model combinations.
Speech enhancement system.
Vector taylor series.
Weighted-sum.
Hidden Markov models.
Information science.
Noise abatement.
Signal processing.
Speech enhancement.
Speech recognition.
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6 مقاله A parallel cepstral and spectral modeling for HMM-based speech enhancement Veisi, H. 2011 Mel-frequency.
parallel cepstral and spectral modeling.
Statistical HMM-based speech enhancement.
Cepstral.
Concurrent modeling.
Distortion effects.
Hidden Markov modeling.
Mel-frequency.
Noise types.
Nonstationary noise.
Spectral domains.
Spectral modeling.
Spectrum estimation.
Speech enhancement system.
Speech spectra.
Digital signal processing.
Frequency domain analysis.
Spectrum analysis.
Speech enhancement.
Frequency estimation.
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7 مقاله Speech enhancement using hidden Markov models in Mel-frequency domain Veisi, H. 2013 HMM-based speech enhancement.
Parallel cepstral and spectral (PCS)
Auto-regressive.
Cepstral.
Clean speech.
Concurrent modeling.
Enhancement framework.
Magnitude spectrum.
Mel-frequency.
Minimum mean square errors.
Noise types.
Noisy signals.
Nonstationary noise.
Reference method.
Spectral domains.
Spectrum estimation.
Spectrum estimators.
Speech enhancement methods.
Frequency domain analysis.
Hidden Markov models.
Signal to noise ratio.
Spectrum analysis.
Speech recognition.
Time series analysis.
Speech enhancement.
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8 مقاله An improved parallel model combination method for noisy speech recognition Veisi, H. 2009 Automatic speech recognition system.
Cepstral mean subtraction.
Continuous speech.
Decorrelations.
Noise removal.
Noisy environment.
Noisy speech recognition.
Novel methods.
Parallel model combinations.
Persians.
Word error rate.
Continuous speech recognition.
Solenoids.
Principal component analysis.
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9 مقاله A complexity-based approach in image compression using neural networks Veisi, H. 2009 Adaptive image compression.
JPEG standard.
Multi-layer perceptron neural network.
Adaptive approach.
Adaptive methods.
Back propagation artificial neural network (BPANN)
Complexity estimation.
Complexity levels.
Complexity measures.
Image blocks.
Image complexity.
Input image.
JPEG standards.
Multi layer perceptron.
Multi-layer perceptron neural networks.
Network-based.
PSNR.
Image compression.
Neural networks.
Compressors.
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10 مقاله Investigation of the equivalent material properties and failure stress of the re-entrant composite lattice structures using an analytical model Veisi, H. Elsevier Ltd, 2020 Equivalent mechanical properties.
Failure stress.
Re-entrant honeycomb.
Theoretical modeling.
Analytical models.
Biomechanics.
Buckling.
Cells.
Composite structures.
Cytology.
Density (specific gravity)
Fiber reinforced plastics.
Honeycomb structures.
Laminated composites.
Lattice theory.
Struts.
Classical laminate theory.
Composite laminate.
Composite lattices.
Equivalent material properties.
Failure properties.
Lattice structures.
Mechanical constants.
Structural properties.
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11 مقاله Improving the performance of speech recognition systems using fault-tolerant techniques Veisi, H. 2008 Fault tolerant technique.
Fault-tolerant.
Persian speech.
Plurality voting.
Recognition methods.
Speech recognition systems.
Fault tolerant computer systems.
Nuclear magnetic resonance spectroscopy.
Signal processing.
Speech analysis.
Speech recognition.
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12 مقاله Noise and speaker robustness in a persian continuous speech recognition system Veisi, H. 2007 Computer networks.
Continuous speech recognition.
Signal processing.
Speech.
Speech analysis.
Weaving.
International symposium.
Persian.
Warping factors.
Speech recognition.
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13 مقاله Image compression with neural networks using complexity level of images Veisi, H. 2007 Acoustic intensity.
Backpropagation.
Compressors.
Digital image storage.
Image coding.
Image compression.
Metropolitan area networks.
Programming theory.
Signal processing.
Signal to noise ratio.
Vegetation.
Complexity levels.
Complexity measures.
Image blocks.
Image complexity.
Image compression methods.
Input images.
JPEG.
JPEG standards.
Multi-layer perceptron.
PSNR.
Trained networks.
Neural networks.
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14 مقاله The combination of CMS with PMC for improving robustness of speech recognition systems Veisi, H. 2008 Acoustic adaptation.
Automatic speech recognition system.
Cepstral mean subtraction.
Parallel model combinations.
Real applications.
Recognition systems.
Robustness.
Speaker normalization.
Speech recognition systems.
Computer science.
Convolution.
Speech recognition.
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15 پایان نامه بررسی و استفاده از شبکه بسپار درهم‌تنیده برپایه بسپارهای‌ زیستی برای توسعه روش‌های ریزاستخراج Biopolymeric based Interpenetrating Polymer Network for Extending the Microextraction Techniques ویسی، نازیلا Veisi, Nazila صنعتی شریف 1397 شبکه بسپاری درهم فرورفته Interpenetrating Polymer Network / ریزاستخراج درون سوزنی Needle Trap Extraction / مشتقات بنزنی فرار BTEX / پلی وینیل پیرولیدون Polyvinylpyrolidon / ژلاتین Gelatin / بسپار زیستی Biopolymer / کروماتوگراف گازی با آشکارساز یونش شعله ای Gas Chromatography-flame Ionization Detector
‭03-51352
16 پایان نامه تهیه غشاهای کامپوزیتی لایه نازک پلی اتر سولفون/پلی آمید (PA/PES)بر پایه نانوذرات خاک رس اصلاح شده برای نمک زدایی اسمز مستقیم Preparation of Polyethersulfone/Polyamide (PES/PA)Thin Film Composite Membranes based Modified Nanoclays for Forward Osmosis-Disalination ویسی، وهاب Veisi, Vahab صنعتی شریف 1399 غشای نانوکامپوزیتی Nanocomposite Membrane / اکسید گرافن Graphene Oxide / اسمز پیشرو Forward Osmosis / نمک‌زدایی Desalination / مونتموریلونیت Montmorillonite / غشای پلی اترسولفون Polyethersulphone Membrane / غشای پلی آمید Polyamide Membrane
‭03-53366
17 مقاله An optimum MMSE post-filter for Adaptive Noise Cancellation in automobile environment Khorram, S. 2012 Adaptive noise cancellations.
Background noise reduction.
Dual channel.
Filter coefficients.
Linear filters.
MMSE estimation.
Noise spectra.
Noisy environment.
Nonstationary.
Postfilters.
Speech distortion.
Speech signals.
Uncorrelated noise.
Vehicular environments.
Voice activity detectors.
Information science.
Signal denoising.
Spectrum analysis.
Speech enhancement.
Spurious signal noise.
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18 مقاله An algebraic gain estimation method to improve the performance of HMM-based speech enhancement systems Mariooryad, S. 2010 Hidden Markov model.
Algebraic gain estimation.
Gain estimation.
Least square errors.
Minimum mean square error.
Minimum mean square errors.
Block codes.
Electrical engineering.
Estimation.
Hidden Markov models.
Least squares approximations.
Mean square error.
Speech enhancement.
Algebra.
Least square error.
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19 مقاله LP-based over-sampled subband adaptive noise canceller for speech enhancement in diffuse noise fields Khorram, S. 2008 Adaptive noise canceller.
Analysis and synthesis.
Diffuse noise.
Hybrid structure.
Linear prediction.
Noise reductions.
Postfilter.
Prototype filters.
Quality measures.
Speech enhancement system.
Sub-band.
Signal processing.
Speech enhancement.
Spurious signal noise.
Microphones.
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20 پایان نامه تعیین ضریب شدت تنش برای ترک بین صفحه ای در اجسام دو ماده ای با استفاده از روش المان محدود توسعه یافته Evaluation of Stress Intensity Factor of a Bi-material Interfacial Crack Using Extended Finite Element Method ویسی، حسین Veisi, Hossein دانشگاه صنعتی شریف 1391 ضریب شدت تنش Stress Intensity Factor / انتگرال جی J-Integral / روش اجزای محدود بسط یافته Extended Finite Element Method / اجسام دوماده ای Bi-Materials
‭45-44416
Total 1359 records