Structured sparse coding for microphone array location calibration.
Afsaneh AsaeiBhiksha RajHervé BourlardVolkan CevherPublished in: SAPA@INTERSPEECH (2012)
Keyphrases
- image processing
- higher order
- sparse coding
- natural images
- dictionary learning
- sparse representation
- discriminative power
- denoising
- image patches
- multiscale
- unsupervised learning
- linear combination
- pattern recognition
- sparse codes
- single image super resolution
- person re identification
- image classification
- group sparsity
- camera calibration
- manifold structure
- generative model
- object category recognition
- image representation
- high dimensional
- data sets
- camera network
- feature vectors
- spatial pyramid matching
- feature space
- high quality
- image sequences
- machine learning