Compression of image patches for local feature extraction.
Mina MakarChuo-Ling ChangDavid M. ChenSam S. TsaiBernd GirodPublished in: ICASSP (2009)
Keyphrases
- image patches
- feature extraction
- feature vectors
- natural images
- sparse representation
- test images
- image compression
- face recognition
- low resolution
- compression ratio
- feature space
- super resolution
- compression algorithm
- wavelet transform
- dimension reduction
- feature selection
- sparse coding
- image super resolution
- small image patches
- image classification
- object recognition
- pattern recognition
- image processing
- principal component analysis
- texture features
- log polar
- higher order
- frequency domain
- high quality
- single image super resolution
- natural image patches
- machine learning
- raw image
- high level
- multiscale
- denoising