Sökning: "Avoidance Learning"

Visar resultat 1 - 5 av 41 avhandlingar innehållade orden Avoidance Learning.

  1. 1. Towards On-line Learning Agents for Autonomous Navigation

    Författare :Guang Li; Chalmers University of Technology; []
    Nyckelord :path-finding; head direction; artificial neural network; spatial representation; on-line learning; navigation; localization; autonomous mobile robot; obstacle avoidance; place learning;

    Sammanfattning : The design of a mechatronic agent capable of navigating autonomously in a changing and perhaps previously unfamiliar environment is a very challenging issue. This thesis addresses this issue from both functional and system perspectives. LÄS MER

  2. 2. Machine Learning Methods for Image Analysis in Medical Applications, from Alzheimer's Disease, Brain Tumors, to Assisted Living

    Författare :Chenjie Ge; Chalmers University of Technology; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; glioma subtype classification; deep learning; spiking neural networks; recurrent convolutional networks; machine learning; semi-supervised learning; fall detection; Alzheimer s disease detection; visual prosthesis; generative adversarial networks; convolutional neural networks;

    Sammanfattning : Healthcare has progressed greatly nowadays owing to technological advances, where machine learning plays an important role in processing and analyzing a large amount of medical data. This thesis investigates four healthcare-related issues (Alzheimer's disease detection, glioma classification, human fall detection, and obstacle avoidance in prosthetic vision), where the underlying methodologies are associated with machine learning and computer vision. LÄS MER

  3. 3. Food Safety Learning in Home and Consumer Studies : Teachers' and Students' Perspectives

    Författare :Marie Lange; Ingela Marklinder; Helen Göranzon; Chris Griffith; Uppsala universitet; []
    Nyckelord :Learning; Food safety; Education; Didactic; Risk; Food hygiene; Trust; Students ; Teachers ; Compulsory school; Kostvetenskap; Food; Nutrition and Dietetics;

    Sammanfattning : The aim of this thesis was to explore food safety as part of Home and consumer studies (HCS) education in Swedish compulsory school.Firstly, a nationwide web-based questionnaire was performed among HCS teachers to obtain an overall picture of their knowledge, behaviour and attitudes regarding food safety. LÄS MER

  4. 4. Socially dependent avoidance learning : mechanisms of adaptive behavior

    Författare :Björn Lindström; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP;

    Sammanfattning : Many aspects of human social behavior are likely to be shaped by punishment, threats of punishment, and avoidance of punishment. However, surprisingly little is known about the psychological mechanisms underpinning these influences. LÄS MER

  5. 5. Colour patterns in warning displays

    Författare :Marianne Aronsson; Gabriella Gamberale-Stille; Olof Leimar; Candy Rowe; Stockholms universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; aposematism; warning colouration; colour patterns; avoidance learning; generalization behaviour; signal design; signal evolution; conspicuousness; mimicry; etologi; Ethology;

    Sammanfattning : In aposematism a prey species use bright colours, often combined with a black contrasting pattern, to signal unprofitability as prey to potential predators. Although there are several different hypotheses about the presence of these internally contrasting patterns, there is little experimental evidence of any beneficial effects. LÄS MER