Face Spoof Attack Recognition Using Discriminative Image Patches.
Zahid AkhtarGian Luca ForestiPublished in: J. Electr. Comput. Eng. (2016)
Keyphrases
- image patches
- natural images
- sparse codes
- biometric systems
- liveness detection
- sparse representation
- feature vectors
- face images
- low resolution
- sparse coding
- test images
- super resolution
- small image patches
- single image super resolution
- multiscale
- object class
- discriminative power
- image statistics
- natural image patches
- dictionary learning
- recognition algorithm
- object detection
- image super resolution
- repetitive patterns
- semi supervised
- high resolution
- pattern recognition
- face recognition
- feature selection