Traffic sign recognition system with β -correction

  • Authors:
  • Sergio Escalera;Oriol Pujol;Petia Radeva

  • Affiliations:
  • Computer Vision Center, UAB, Department Ciències de la Computació, 08193, Bellaterra, Spain;UB, Department Matemàtica Aplicada i Anàlisi, Gran Via 585, 08007, Barcelona, Spain;Computer Vision Center, UAB, Department Ciències de la Computació, 08193, Bellaterra, Spain

  • Venue:
  • Machine Vision and Applications
  • Year:
  • 2010

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Abstract

Traffic sign classification represents a classical application of multi-object recognition processing in uncontrolled adverse environments. Lack of visibility, illumination changes, and partial occlusions are just a few problems. In this paper, we introduce a novel system for multi-class classification of traffic signs based on error correcting output codes (ECOC). ECOC is based on an ensemble of binary classifiers that are trained on bi-partition of classes. We classify a wide set of traffic signs types using robust error correcting codings. Moreover, we introduce the novel β-correction decoding strategy that outperforms the state-of-the-art decoding techniques, classifying a high number of classes with great success.