Principal Visual Word Discovery for Automatic License Plate Detection.
Wengang ZhouHouqiang LiYijuan LuQi TianPublished in: IEEE Trans. Image Process. (2012)
Keyphrases
- visual words
- license plate detection
- bag of words
- image classification
- bag of visual words
- visual phrases
- image features
- visual vocabulary
- image representation
- object categories
- license plate
- text classification
- co occurrence
- vehicle detection
- keypoints
- soft assignment
- image retrieval
- shape detection
- computer vision
- knowledge discovery
- machine vision
- pairwise
- gaussian mixture model
- spatial information
- text mining