Exploration of Indoor Environments with a Binocular Stereo System

22-Aug-00

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Table of Contents

Exploration of Indoor Environments with a Binocular Stereo System

Outline

Motivation

Sensor Systems

Depth Reconstruction from Stereo

Disparity

Error Sources in the Stereo 3D-Reconstruction

Reduction of the complexity

Correspondence Problem

Epipolar-Geometry

Feature Detection

Influence of the Orientation Error

Transformation to the Parallel-Cameras Case

Dynamic Local Map (DLM)

DLM - Principle of Geometrical Fusion

DLM - Structure for fast, efficient storage of a local area

DLM - Filtering

DLM - Stabilization

Re-calibration based on the DLM

Re-calibration of the external parameters

Results of the on-line Re-calibration

Dynamic Local Map (DLM)

Abstraction of knowledge within the system

Estimation of the free space

Navigation map

Path planing with diffusion analogy

Optical Bumper

Support for topological modeling

Initial Localization

Results (Exploration)

Results (3D-Reconstruction)

Conclusion

Future Work
 

Author: Darius Burschka 

Email: burschka@cs.jhu.edu

Home Page: http://www.cs.jhu.edu/~burschka