Sound Event Classification Based on Frequency-Energy Feature Representation and Two-Stage Data Dimension Reduction.
Yinggang LiuHong FuYing WeiHanbing ZhangPublished in: IEEE ACM Trans. Audio Speech Lang. Process. (2023)
Keyphrases
- dimension reduction
- feature representation
- feature extraction
- data sets
- high dimensional data
- image classification
- feature space
- input data
- classification accuracy
- knowledge discovery
- low dimensional
- principal component analysis
- feature subspace
- high dimensionality
- pattern recognition
- feature selection
- support vector machine
- manifold learning
- spatial information
- data points
- image representation
- least squares
- training set
- preprocessing
- data analysis
- training data
- image sequences
- decision trees
- image processing
- data mining
- neural network