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Yan, Rujiao: Computational Audiovisual Scene Analysis. 2014
Inhalt
Abstract
Introduction
Challenges of CAVSA
Contribution of this Thesis
Applications
Structure
System Architecture and Components
Architecture
Proto-Objects
Short Term Memory
Audiovisual Association
Related Work in Audiovisual Association
Probability Based Audiovisual Association
Uncertainty of Audiovisual Association
Overview of Applications
CAVSA in Online Adaptation of Audio-Motor Maps
Related Work in Learning of Audio-Motor Maps
Setting of CAVSA for Online Adaptation
Audio Processing
Visual Processing
Visual STM
Audiovisual Association
Online Adaptation of Audio-Motor Maps
Results
Experimental Equipment
Performance Evaluation
Experiment 1: Consideration of Unseen Visual Proto-Objects
Experiment 2: Bootstrapping of Online Adaptation
Experiment 3: Adaptation Ability
Discussion
CAVSA in Human-Robot Dialogue Scenarios
Related Work in Audiovisual Human-Robot Interaction with Multiple Persons
Visual Features
Face-based Detection of Different Upper Body Parts
Histogram Feature Vector of Color and Texture
Position Evidence Vector in Spherical Coordinates
Feature Subset Selection
Auditory Features
Spectral energy vector and sound energy
Gammatone Frequency Cepstral Coefficients
Feature Subset Selection
Setting of CAVSA for Dialogue Scenarios
Proto-Objects
Visual STM
Audiovisual Association
Results
Results for Scenario I
Results for Scenario II
Results for Scenario III
Results for Scenario IV
Discussion
Summary
Abbreviations
Audio-Motor Map
Sound Localization with Population-Coded Cues
List of Publications by the Author
Bibliography