Keyphrases
- input image
- secret message
- image data
- image noise
- data embedding
- image features
- image content
- high resolution
- multiscale
- hidden information
- geometric distortions
- image representation
- single image
- image retrieval
- image classification
- data hiding
- feature descriptors
- image segmentation
- information hiding
- partial occlusion
- test images
- pixel values
- feature points
- digital images
- secret data
- image matching
- image regions
- keypoints