Fast and Accurate Sparse Coding of Visual Stimuli With a Simple, Ultralow-Energy Spiking Architecture.
Walt WoodsChristof TeuscherPublished in: IEEE Trans. Neural Networks Learn. Syst. (2019)
Keyphrases
- sparse coding
- sparse representation
- dictionary learning
- natural images
- image classification
- unsupervised learning
- generative model
- visual stimuli
- linear combination
- image patches
- image representation
- visual cortex
- ground truth
- object recognition
- signal processing
- input image
- nearest neighbor
- feed forward
- multiscale
- data sets