Image classification in frequency domain with 2SReLU: A second harmonics superposition activation function.
Thomio WatanabeDenis F. WolfPublished in: Appl. Soft Comput. (2021)
Keyphrases
- frequency domain
- activation function
- image classification
- feature extraction
- neural network
- spatial domain
- fourier transform
- feed forward
- artificial neural networks
- back propagation
- hidden layer
- learning rate
- neural nets
- multilayer perceptron
- radial basis function
- network architecture
- image features
- subband
- denoising
- training phase
- wavelet transform
- wavelet domain
- feature vectors
- image processing
- basis functions
- power spectra
- support vector machine svm
- learning algorithm
- recurrent neural networks
- multiresolution