Spatially Enhanced Bags of Visual Words Representation to Improve Traffic Signs Recognition.
Lotfi AbdiAref MeddebPublished in: J. Signal Process. Syst. (2018)
Keyphrases
- visual words
- traffic signs
- image representation
- bag of words
- bag of features
- visual dictionary
- bag of visual words
- image classification
- object recognition
- recognition algorithm
- spatial pyramid
- automatic recognition
- scene classification
- co occurrence
- visual vocabulary
- image retrieval
- action recognition
- object categories
- image features
- feature space
- multiscale
- spatial information
- keypoints
- visual phrases
- pairwise
- image content
- probabilistic model
- feature extraction