Watermarking schemes to secure the face database and test images in a biometric system.
Himanshu AgarwalBalasubramanian RamanPradeep K. AtreyPublished in: ICSIPA (2013)
Keyphrases
- test images
- face images
- biometric systems
- face databases
- watermarking scheme
- user authentication
- geometric distortions
- face recognition
- human faces
- palmprint
- principal component analysis
- facial expressions
- low resolution
- recognition rate
- recognition algorithm
- facial images
- facial features
- high resolution
- face detection
- feature vectors
- training set
- iris recognition
- sparse representation
- feature extraction
- ground truth
- recognition accuracy
- input image
- natural images
- watermarking algorithm
- feature points
- watermarking technique
- image regions
- motion estimation
- computer vision