Sparse Coding For Speech Recognition

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Sparse Coding For Speech Recognition

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Author : Willem Jacobus Smit
language : en
Publisher:
Release Date : 2005

Sparse Coding For Speech Recognition written by Willem Jacobus Smit and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.

The brain is a complex organ that is computationally strong. Recent research in the field of neurobiology help scientists to better understand the working of the brain, especially how the brain represents or codes external signals. The research shows that the neural code is sparse. A sparse code is a code in which few neurons participate in the representation of a signal. Neurons communicate with each other by sending pulses or spikes at certain times. The spikes send between several neurons over time is called a spike train. A spike train contains all the important information about the signal that it codes. This thesis shows how sparse coding can be used to do speech recognition. The recognition process consists of three parts. First the speech signal is transformed into a spectrogram. Thereafter a sparse code to represent the spectrogram is found. The spectrogram serves as the input to a linear generative model. The output of themodel is a sparse code that can be interpreted as a spike train. Lastly a spike train model recognises the words that are encoded in the spike train. The algorithms that search for sparse codes to represent signals require many computations. We therefore propose an algorithm that is more efficient than current algorithms. The algorithm makes it possible to find sparse codes in reasonable time if the spectrogram is fairly coarse. The system achieves a word error rate of 19% with a coarse spectrogram, while a system based on Hidden Markov Models achieves a word error rate of 15% on the same spectrograms.

Pattern Recognition Icpr International Workshops And Challenges

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Author : Alberto Del Bimbo
language : en
Publisher: Springer Nature
Release Date : 2021-02-24

Pattern Recognition Icpr International Workshops And Challenges written by Alberto Del Bimbo and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-02-24 with Computers categories.

This 8-volumes set constitutes the refereed of the 25th International Conference on Pattern Recognition Workshops, ICPR 2020, held virtually in Milan, Italy and rescheduled to January 10 - 11, 2021 due to Covid-19 pandemic. The 416 full papers presented in these 8 volumes were carefully reviewed and selected from about 700 submissions. The 46 workshops cover a wide range of areas including machine learning, pattern analysis, healthcare, human behavior, environment, surveillance, forensics and biometrics, robotics and egovision, cultural heritage and document analysis, retrieval, and women at ICPR2020.

Artificial Neural Networks And Machine Learning Icann 2012

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Author : Alessandro Villa
language : en
Publisher: Springer
Release Date : 2012-09-19

Artificial Neural Networks And Machine Learning Icann 2012 written by Alessandro Villa and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-19 with Computers categories.

The two-volume set LNCS 7552 + 7553 constitutes the proceedings of the 22nd International Conference on Artificial Neural Networks, ICANN 2012, held in Lausanne, Switzerland, in September 2012. The 162 papers included in the proceedings were carefully reviewed and selected from 247 submissions. They are organized in topical sections named: theoretical neural computation; information and optimization; from neurons to neuromorphism; spiking dynamics; from single neurons to networks; complex firing patterns; movement and motion; from sensation to perception; object and face recognition; reinforcement learning; bayesian and echo state networks; recurrent neural networks and reservoir computing; coding architectures; interacting with the brain; swarm intelligence and decision-making; mulitlayer perceptrons and kernel networks; training and learning; inference and recognition; support vector machines; self-organizing maps and clustering; clustering, mining and exploratory analysis; bioinformatics; and time weries and forecasting.

Advances In Brain Inspired Cognitive Systems

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Author : Cheng-Lin Liu
language : en
Publisher: Springer
Release Date : 2016-11-11

Advances In Brain Inspired Cognitive Systems written by Cheng-Lin Liu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-11 with Computers categories.

This book constitutes the refereed proceedings of the 8th International Conference on Brain Inspired Cognitive Systems, BICS 2016, held in Beijing, China, in November 2016. The 32 full papers presented were carefully reviewed and selected from 43 submissions. They discuss the emerging areas and challenges, present the state of the art of brain-inspired cognitive systems research and applications in diverse fields by covering many topics in brain inspired cognitive systems related research including biologically inspired systems, cognitive neuroscience, models consciousness, and neural computation.

Computational Materials Science

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Author : Feng Xiong
language : en
Publisher: Trans Tech Publications Ltd
Release Date : 2011-07-04

Computational Materials Science written by Feng Xiong and has been published by Trans Tech Publications Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07-04 with Technology & Engineering categories.

Selected, peer reviewed papers from the 2011 International Conference on Computational Materials Science (CMS 2011) in April 17-18, Guangzhou, China

Image And Graphics

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Author : Yao Zhao
language : en
Publisher: Springer
Release Date : 2017-12-29

Image And Graphics written by Yao Zhao and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-29 with Computers categories.

This three-volume set LNCS 10666, 10667, and 10668 constitutes the refereed conference proceedings of the 9th International Conference on Image and Graphics, ICIG 2017, held in Shanghai, China, in September 2017. The 172 full papers were selected from 370 submissions and focus on advances of theory, techniques and algorithms as well as innovative technologies of image, video and graphics processing and fostering innovation, entrepreneurship, and networking.

Journal Of Vlsi Signal Processing Systems For Signal Image And Video Technology

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Author :
language : en
Publisher:
Release Date : 2007

Journal Of Vlsi Signal Processing Systems For Signal Image And Video Technology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Integrated circuits categories.

Linguistics And Language Behavior Abstracts

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Author :
language : en
Publisher:
Release Date : 2009-02

Linguistics And Language Behavior Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-02 with Language and languages categories.

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Author :
language : en
Publisher: Elsevier España
Release Date :

written by and has been published by Elsevier España this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.

Progress In Pattern Recognition Image Analysis And Applications

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Author :
language : en
Publisher:
Release Date : 2004

Progress In Pattern Recognition Image Analysis And Applications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Image processing categories.