The benefits of dense stereo for pedestrian detection
This paper presents a novel pedestrian detection system for intelligent vehicles. We propose the use of dense stereo for both the generation of regions of interest and pedestrian classification. Dense stereo allows the dynamic estimation of camera parameters and the road profile, which, in turn, pro...
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| Hauptverfasser: | , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
12 May 2011
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| In: |
IEEE transactions on intelligent transportation systems
Year: 2011, Jahrgang: 12, Heft: 4, Pages: 1096-1106 |
| DOI: | 10.1109/TITS.2011.2143410 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1109/TITS.2011.2143410
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| Verfasserangaben: | Christoph G. Keller, Markus Enzweiler, Marcus Rohrbach, David Fernández Llorca, Christoph Schnorr, Dariu M. Gavrila |
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| 245 | 1 | 4 | |a The benefits of dense stereo for pedestrian detection |c Christoph G. Keller, Markus Enzweiler, Marcus Rohrbach, David Fernández Llorca, Christoph Schnorr, Dariu M. Gavrila |
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| 520 | |a This paper presents a novel pedestrian detection system for intelligent vehicles. We propose the use of dense stereo for both the generation of regions of interest and pedestrian classification. Dense stereo allows the dynamic estimation of camera parameters and the road profile, which, in turn, provides strong scene constraints on possible pedestrian locations. For classification, we extract spatial features (gradient orientation histograms) directly from dense depth and intensity images. Both modalities are represented in terms of individual feature spaces, in which discriminative classifiers (linear support vector machines) are learned. We refrain from the construction of a joint feature space but instead employ a fusion of depth and intensity on the classifier level. Our experiments involve challenging image data captured in complex urban environments (i.e., undulating roads and speed bumps). Our results show a performance improvement by up to a factor of 7.5 at the classification level and up to a factor of 5 at the tracking level (reduction in false alarms at constant detection rates) over a system with static scene constraints and intensity-only classification. | ||
| 650 | 4 | |a Active safety | |
| 650 | 4 | |a Cameras | |
| 650 | 4 | |a computer vision | |
| 650 | 4 | |a Feature extraction | |
| 650 | 4 | |a intelligent vehicles | |
| 650 | 4 | |a Intelligent vehicles | |
| 650 | 4 | |a pedestrian detection | |
| 650 | 4 | |a Stereo vision | |
| 650 | 4 | |a Support vector machines | |
| 700 | 1 | |a Enzweiler, Markus |e VerfasserIn |4 aut | |
| 700 | 1 | |a Rohrbach, Marcus |e VerfasserIn |4 aut | |
| 700 | 1 | |a Llorca, David Fernández |e VerfasserIn |4 aut | |
| 700 | 1 | |a Schnörr, Christoph |e VerfasserIn |0 (DE-588)1023033348 |0 (DE-627)717351017 |0 (DE-576)168404540 |4 aut | |
| 700 | 1 | |a Gavrila, Dariu M. |e VerfasserIn |4 aut | |
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