Face recognition via compact second order image gradient orientations.
He-Feng YinXiao-Jun WuXiaoning SongPublished in: CoRR (2022)
Keyphrases
- face recognition
- image data
- image analysis
- single image
- image features
- input image
- edge detection
- multiscale
- image retrieval
- image representation
- segmentation method
- template matching
- low level
- image content
- image collections
- illumination conditions
- image regions
- lighting conditions
- test images
- image matching
- higher order
- vector field
- high resolution
- pixel values
- illumination insensitive
- image pixels
- feature representation
- image set
- medical images
- linear discriminant analysis
- spatial information
- keypoints
- image segmentation
- sparse representation
- image quality
- image classification