Preventing Shoulder-Surfing Attacks using Digraph Substitution Rules and Pass-Image Output Feedback.
Lip Yee PorChin Soon KuTan Fong AngPublished in: Symmetry (2019)
Keyphrases
- image retrieval
- single image
- image analysis
- input image
- test images
- image content
- image classification
- multiscale
- image data
- high resolution
- low level
- segmentation method
- feature points
- image segmentation
- image regions
- image representation
- segmentation algorithm
- watermarking technique
- edge detection
- countermeasures
- image pixels
- template matching
- digital watermarking
- digital watermark
- image collections
- region of interest
- image matching
- hough transform
- medical images
- association rules
- face recognition