A Pyramid Nearest Neighbor Search Kernel for object categorization.
Hong ChengRongchao YuZicheng LiuYiguang LiuPublished in: ICPR (2012)
Keyphrases
- object categorization
- nearest neighbor search
- feature space
- nearest neighbor
- visual words
- object categories
- object recognition
- high dimensional
- image retrieval
- image representation
- similarity search
- exhaustive search
- cost model
- bag of features
- multiscale
- object classes
- search methods
- index structure
- scale space
- metric space
- low dimensional
- co occurrence
- input image
- active learning
- keypoints
- bag of words
- training samples
- road network
- image annotation
- principal component analysis
- hash functions
- training set
- support vector