An Intragroup and Intergroup Multiple Secret Images' Sharing Scheme with Each Participant Holding One Shadow Image.
Jiayu WangXuehu YanJia ChenYongqiang YuPublished in: Secur. Commun. Networks (2021)
Keyphrases
- secret image
- input image
- image data
- image collections
- image features
- test images
- image retrieval
- secret sharing scheme
- image regions
- image classification
- pixel values
- segmentation method
- secret data
- image set
- segmentation scheme
- segmentation algorithm
- cover image
- lighting conditions
- multiple objects
- spatial domain
- illumination conditions
- hsv color space
- cast shadows
- image database
- image matching
- embedded image
- pixel level
- feature points
- edge detection
- image segmentation
- ambient light
- secret message
- data hiding
- high resolution
- shadow detection
- information seeking
- light source
- single image
- colour images
- data embedding
- image registration
- photometric information
- gray level
- image quality