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Cited by 515

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Detecting Pedestrians by Learning Shapelet Features

Sabzmeydani, Payam, Mori, Greg·2007·2007 IEEE Conference on Computer Vision and Pattern Recognition

Abstract

In this paper, we address the problem of detecting pedestrians in still images. We introduce an algorithm for learning shapelet features, a set of mid-level features. These features are focused on local regions of the image and are built from low-level gradient information that discriminates between pedestrian and non-pedestrian classes. Using Ad-aBoost, these shapelet features are created as a combination of oriented gradient responses. To train the final classifier, we use AdaBoost for a second time to select a subset of our learned shapelets. By first focusing locally on smaller feature sets, our algorithm attempts to harvest more useful information than by examining all the low-level features together. We present quantitative results demonstrating the effectiveness of our algorithm. In particular, we obtain an error rate 14 percentage points lower (at 10-6FPPW) than the previous state of the art detector of Dalal and Triggs on the INRIA dataset.

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Metadata

Authors
Sabzmeydani, P., & Mori, G.
Venue
2007 IEEE Conference on Computer Vision and Pattern Recognition
Publisher
IEEE
Published
2007-06
Pages
1-8
ISSN
1063-6919 (ISSN-L)
OpenAlex
W2169671170
Cited by
515
References
2
FWCI
34.21
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Detecting Pedestrians by Learning Shapelet Features. https://app.cochat.ai/papers/10.1109/cvpr.2007.383134
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Sabzmeydani, P., & Mori, G. (2007). Detecting Pedestrians by Learning Shapelet Features. 2007 IEEE Conference on Computer Vision and Pattern Recognition. https://doi.org/10.1109/cvpr.2007.383134

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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