Improved KNN for face classification via high-frequency texture components extraction.
Dakang LiuZexiao LiangWenlang LiYuan LiuJianzhong LiPublished in: Multim. Tools Appl. (2023)
Keyphrases
- high frequency
- knn
- k nearest neighbor
- k nearest neighbour
- classification method
- classification algorithm
- support vector machine svm
- low frequency
- knn algorithm
- text classification
- nearest neighbor
- support vector machine
- knn classification
- feature selection
- nearest neighbour
- knn classifier
- majority voting
- subband
- text categorization
- distance function
- high resolution
- feature extraction
- feature vectors
- k nearest
- classification accuracy
- wavelet transform
- discrete wavelet transform
- machine learning
- high frequency components
- distance measurement
- decision trees
- texture classification
- similarity search
- texture analysis
- texture features
- neural network
- training set
- low pass
- frequency band
- gray level
- computer vision
- information gain
- high pass
- support vector
- texture images
- feature set
- multi class
- text mining