Covariance-Based Descriptors for Efficient 3D Shape Matching, Retrieval, and Classification.
Hedi TabiaHamid LagaPublished in: IEEE Trans. Multim. (2015)
Keyphrases
- image retrieval
- feature vectors
- matching algorithm
- classification method
- similarity matching
- decision trees
- image database
- training set
- classification accuracy
- image classification
- shape retrieval
- partial matching
- matching process
- single image
- keypoints
- support vector machine svm
- covariance matrix
- information retrieval systems
- shape context
- pairwise
- feature extraction
- indexing structure
- shape descriptors
- visual descriptors
- machine learning
- spin images
- image matching
- classification algorithm
- pattern matching
- text classification
- relevance feedback
- d objects
- feature space
- image sequences
- three dimensional
- feature selection