Fast Covariance Computation and Dimensionality Reduction for Sub-window Features in Images.
Vivek KwatraMei HanPublished in: ECCV (2) (2010)
Keyphrases
- image features
- dimensionality reduction
- principal components
- original images
- salient features
- image data
- feature extraction
- test images
- extracting features
- ground truth
- image collections
- three dimensional
- feature matching
- image set
- image database
- input image
- image analysis
- spatial information
- sample images
- image retrieval
- high dimensionality
- matching process
- keypoints
- visual appearance
- feature space
- image statistics
- feature representation
- image matching
- feature points
- object recognition
- low level
- image regions
- invariant features
- feature detectors
- global features
- feature descriptors
- image registration
- feature vectors
- face recognition
- color histogram
- geometric constraints
- extracted features
- segmentation method
- high dimensional data
- feature set
- edge detection
- image sequences