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Food-101 -- Mining Discriminative Components with Random Forests

Lukas Bossard, Matthieu Guillaumin, Luc Van Gool
European Conference on Computer Vision


In this paper we address the problem of automatically recognizing pictured dishes. To this end, we introduce a novel method to mine discriminative parts using Random Forests (RF), which allows us to mine for parts simultaneously for all classes and to share knowledge among them. To improve efficiency of mining and classification, we only consider patches that are aligned with image superpixels, which we call components. To measure the performance of our rf component mining for food recognition, we introduce a novel and challenging dataset of 101 food categories, with 101000 images. With an average accuracy of 50.76%, our model outperforms alternative classification methods except for CNN, including SVM classification on Improved Fisher Vectors and existing discriminative part-mining algorithms by 11.88% and 8.13%, respectively. On the challenging MIT-Indoor dataset, our method compares nicely to other s-o-a component-based classification methods.

Link to publisher's page
  author = {Lukas Bossard and Matthieu Guillaumin and Luc Van Gool},
  title = {Food-101 -- Mining Discriminative Components with Random Forests},
  booktitle = {European Conference on Computer Vision},
  year = {2014},
  keywords = {}