Search for dissertations about: "neural networks"

Showing result 1 - 5 of 287 swedish dissertations containing the words neural networks.

  1. 1. Artificial neural networks applications in morphometric and landscape features analysis

    University dissertation from Stockholm : KTH

    Author : Amir Houshang Ehsani; Fredrich Quiel; Wolter Arnberg; [2007]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TECHNOLOGY Other technology Environmental engineering; TEKNIKVETENSKAP Övriga teknikvetenskaper Miljöteknik;

    Abstract : In this thesis a semi-automatic method is developed to analyze morphometric features and landscape elements based on Self Organizing Map (SOM) as a unsupervised Artificial Neural Network algorithm. Analysis and parameterization of topography into simple and homogenous land elements (landform) can play an important role as basic information in planning processes and environmental modeling. READ MORE

  2. 2. Towards Cortex Isomorphic Attractor Neural Networks

    University dissertation from Stockholm : Numerisk analys och datalogi

    Author : Christopher Johansson; [2004]
    Keywords : Attractor Neural Networks; Cerebral Cortex; Minicolumns; Hypercolumns; Potts Neural Networks; BCPNN; and Parallel Computers;

    Abstract : In this thesis we model the mammalian cerebral cortex withattractor neural networks and study the parallelimplementations of these models.First, we review the size, structure, and scaling laws ofthe cerebral cortex of five mammals; mouse, rat, cat, macaque,and human. READ MORE

  3. 3. Segmenting and Tagging Text with Neural Networks

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Yan Shao; Joakim Nivre; Jörg Tiedemann; Christian Hardmeier; Yue Zhang; [2018]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; neural networks; sequence labelling; multilinguality; word segmentation; sentence segmentation; morpheme segmentation; transliteration; joint word segmentation and POS tagging;

    Abstract : Segmentation and tagging of text are important preprocessing steps for higher-level natural language processing tasks. In this thesis, we apply a sequence labelling framework based on neural networks to various segmentation and tagging tasks, including sentence segmentation, word segmentation, morpheme segmentation, joint word segmentation and part-of-speech tagging, and named entity transliteration. READ MORE

  4. 4. Infrared Neural Modulation: Photothermal Effects on Cortex Neurons Using Infrared Laser Heating

    University dissertation from KTH Royal Institute of Technology

    Author : Qingling Xia; Tobias Nyberg; Björn Granseth; [2018]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; neural modulation; infrared laser; in - vitro experiment; multi - electrode arrays MEA ; heating model; temperature; neural networks; infrared neural inhibition INI ; hyperexcitation;

    Abstract : It would be of great value to have a precise and non-damaging neuromodulation technique in the field of basic neuroscience research and for clinical treatment of neurological diseases. Infrared neural modulation (INM) is a new modulation modality developed in the last decade, which uses pulsed or continues infrared (IR) light with a wavelength of 1200 to 2200 nm to directly alter neural signals. READ MORE

  5. 5. Optimal Design of Neuro-Mechanical Networks

    University dissertation from Linköping : Linköping University Electronic Press

    Author : Carl-Johan Thore; Anders Klarbring; Matts Karlsson; Petter Krus; Mathias Stolpe; [2011]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Neuro-mechanical networks; active structures; neural networks; structural optimization; TECHNOLOGY; TEKNIKVETENSKAP;

    Abstract : This thesis concerns modeling and optimal design of Neuro-Mechanical Networks. A Neuro-Mechanical Network (NMN) can be described as an active mechanical structure, made up from a network of simple but multifunctional elements that interact with their nearest neighbors. READ MORE