Sparse Feature Extraction for Activity Detection Using Low-Resolution IR Streams.
Yordanka KarayanevaSara SharifzadehYanguo JingKevin ChettyBo TanPublished in: ICMLA (2019)
Keyphrases
- low resolution
- activity detection
- feature extraction
- high resolution
- super resolution
- dense correspondences
- face images
- low resolution images
- image patches
- face recognition
- sequence matching
- lower resolution
- high resolution images
- data streams
- high quality
- feature vectors
- high dimensional
- pixel intensities
- higher resolution
- dimensionality reduction
- image processing
- image classification
- super resolution reconstruction
- feature space
- feature selection
- sparse coding
- depth map
- sparse representation
- image reconstruction
- image super resolution
- image database
- dictionary learning
- multi dimensional
- principal component analysis