Image classification in frequency domain with 2SReLU: a second harmonics superposition activation function.
Thomio WatanabeDenis F. WolfPublished in: CoRR (2020)
Keyphrases
- frequency domain
- activation function
- image classification
- feature extraction
- neural network
- spatial domain
- fourier transform
- artificial neural networks
- hidden layer
- feed forward
- back propagation
- neural nets
- image features
- learning rate
- basis functions
- multilayer perceptron
- radial basis function
- denoising
- network architecture
- rbf neural network
- training phase
- fuzzy neural network
- subband
- image processing
- fast fourier transform
- input space
- pattern recognition
- multiresolution
- feature selection