Early versus Late Dimensionality Reduction of Bag-of-Words Feature Representation for Image Classification.
Chih-Fong TsaiYa-Han HuWei-Chao LinMing-Chang WangPublished in: ICBRA (2017)
Keyphrases
- bag of words
- feature representation
- image classification
- feature extraction
- dimensionality reduction
- low dimensional
- image representation
- sparse representation
- visual words
- feature representations
- principal component analysis
- visual features
- feature set
- pattern recognition
- high dimensional data
- feature space
- image processing
- feature selection
- feature vectors
- high dimensional
- face recognition
- bag of words models
- image features
- euclidean distance
- spatial pyramid
- sparse coding
- bag of features
- texture features
- pairwise
- texture classification
- scene classification