Adaboost with "Keypoint Presence Features" for Real-Time Vehicle Visual Detection

Details Adaboost with "Keypoint Presence Features" for Real-Time Vehicle Visual Detection Adaboost with "Keypoint Presence Features" for Real-Time Vehicle Visual Detection

2009-10-07

arxiv.org/abs/0910.1273v1

16th World Congress on Intelligent Transport Systems (ITSwc'2009), Su\`ede (2009)

Computer Science

Computer Vision and Pattern Recognition

Scientific paper

We present promising results for real-time vehicle visual detection, obtained with adaBoost using new original ?keypoints presence features?. These weak-classifiers produce a boolean response based on presence or absence in the tested image of a ?keypoint? (~ a SURF interest point) with a descriptor sufficiently similar (i.e. within a given distance) to a reference descriptor characterizing the feature. A first experiment was conducted on a public image dataset containing lateral-viewed cars, yielding 95% recall with 95% precision on test set. Moreover, analysis of the positions of adaBoost-selected keypoints show that they correspond to a specific part of the object category (such as ?wheel? or ?side skirt?) and thus have a ?semantic? meaning.

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