A Video Semantic Analysis Method Based on Kernel Discriminative Sparse Representation and Weighted KNN.
Yongzhao ZhanShan DaiQirong MaoLu LiuWei ShengPublished in: Comput. J. (2015)
Keyphrases
- knn
- sparse representation
- semantic analysis
- k nearest neighbour
- distance function
- k nearest neighbor
- prior knowledge
- support vector machine
- dictionary learning
- neural network
- regularized least squares
- feature extraction
- similarity measure
- sparse coding
- knn algorithm
- nearest neighbour
- unsupervised learning
- natural language processing
- decision trees
- feature selection
- search engine