Image Compression: Sparse Coding vs. Bottleneck Autoencoders.
Yijing WatkinsOleksandr IaroshenkoMohammad SayehGarrett T. KenyonPublished in: SSIAI (2018)
Keyphrases
- sparse coding
- image compression
- natural images
- denoising
- deep belief networks
- dictionary learning
- sparse representation
- vector quantization
- image classification
- linear combination
- discriminative power
- generative model
- unsupervised learning
- wavelet transform
- image representation
- image processing
- image patches
- reconstructed image
- single image super resolution
- sparse codes
- high dimensional
- feature space
- visual words
- probabilistic model
- multiscale
- object category recognition
- object recognition
- bag of words
- higher order
- input image
- feature vectors
- pairwise
- pattern recognition
- face recognition