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Kühnl, Tobias: Road terrain detection for Advanced Driver Assistance Systems. 2013
Inhalt
Abstract
Contents
1 Introduction
1.1 Motivation for Road Terrain Detection
1.2 Restriction of State-of-the-Art
1.3 Basic Concept of the Proposed Approach
1.4 Contribution to State-of-the-Art
1.5 Outline
2 Related Work
2.1 Approaches for Road Terrain Detection
2.1.1 Delimiter-based Road Terrain Detection
2.1.2 Surface-based Road Terrain Detection
2.1.3 Inclusion of Top-down Scene Context
2.2 Approaches employing Spatial Features
2.3 Summary
3 Road Terrain Detection System
3.1 System Overview
3.1.1 Representation of Local Visual Appearance
3.1.2 Inclusion of the Spatial Layout of Visual Appearance
3.2 Summary
4 Road Terrain Detection using Local Visual Features
4.1 System for Local Visual Appearance Classification
4.2 Extraction of Local Visual Appearance using Patch-based Features
4.2.1 Color Features
4.2.2 Walsh Hadamard Texture Features
4.2.3 Learning Road Appearance Descriptors using Slow Feature Analysis
4.3 Appearance Classification using Boosting
4.3.1 Training of GentleBoost
4.3.2 Classifier Processing and Back Projection
4.4 Dedicated Generation of Training Data
4.4.1 Generation of Training Data for Road Area
4.4.2 Generation of Training Data for Road Boundary
4.5 Experiments and Results of Local Visual Appearance based Classification
4.5.1 Perspective and Metric Evaluation Measures
4.5.2 Influence of Local and Global Image Normalization
4.5.3 Influence of Feature Order and Different Feature Combinations
4.5.4 Evaluation and Results of Road Area Detection
4.5.5 Results of Road Boundary Detection
4.6 Summary
5 Incorporating the Spatial Layout of Local Visual Appearance
5.1 Basic Concept for Visuospatial Classification
5.2 Base Classification for Capturing Local Visual Appearance
5.3 Spatial Layout Computation
5.3.1 Method for Spatial Layout Computation
5.3.2 Spatial Ray (SPRAY) Feature Generation
5.3.3 SPRAY Algorithm
5.3.4 Combining SPRAY Features to a Visuospatial Representation
5.3.5 Discrimination of Ego-Lane from other Lanes
5.4 Road Terrain Classification
5.5 Experiments on Road Area Detection
5.5.1 Assessing Single Cue Road Area Classifier Performance
5.5.2 Influence of Road Area Classifier Cue Combinations
5.5.3 Qualitative Results
5.6 Experiments on Ego-Lane Detection
5.6.1 Assessing Single Cue Ego-Lane Classifier Performance
5.6.2 Influence of Ego-Lane Classifier Cue Combinations
5.6.3 Qualitative Results
5.7 Summary
6 Visual Ego-Vehicle Lane Assignment using Spatial Ray Features
6.1 Related Work for Ego-vehicle Localization
6.2 System Description
6.3 Lane Index Classification
6.4 Evaluation
6.4.1 Left and Right Ego-Lane Index Classification (Highway 1)
6.4.2 Generalization Experiments (Highway 2)
6.4.3 Discussion
6.5 Summary
7 State-of-the-Art Comparison and Future Embedding of the Concept
7.1 Road Area Detection Performance Comparison with State-of-the-Art
7.2 Enhanced Robustness Through Adaptation
7.3 Summary
8 Summary and Conclusion
References
A Inverse Perspective Mapping
B Inner-city Evaluation Datasets
B.1 Benchmark Dataset
B.2 Sequential Inner-city Dataset
C Baseline Performance Evaluation
D Evaluation of Road Boundary Detection