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Supervised Low-Rank Matrix Recovery for Traffic Sign Recognition in Image Sequences

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3 Author(s)
Deli Pei ; Dept. of Comput. Sci. & Technol., Tsinghua Univ., Beijing, China ; Fuchun Sun ; Huaping Liu

Correlations in image sequences can be potentially useful for recovering feature representation and subsequently prompting classification performance, which are often neglected by traditional classification approaches. In this letter, we present a supervised low-rank matrix recovery model to leverage these correlations for classification tasks by introducing a supervised penalty term to the classic low-rank matrix recovery model. This allows us to not only exploit these correlations to recover the underlying feature representation from corrupted observation, but also preserve discriminative information for classification. Our model is evaluated on both real-world data and synthetic data, and experimental results show that our model obtains highly competitive performance with state-of-the-art algorithms and is especially robust to different levels of corruptions.

Published in:

Signal Processing Letters, IEEE  (Volume:20 ,  Issue: 3 )