SecDH: Security of COVID-19 images based on data hiding with PCA.
Om Prakash SinghAmit Kumar SinghAmrit Kumar AgrawalHuiyu ZhouPublished in: Comput. Commun. (2022)
Keyphrases
- data hiding
- secret data
- image data
- principal component analysis
- jpeg images
- error correction
- input image
- block truncation coding
- embedded image
- face recognition
- least significant bit
- halftone images
- original images
- test images
- spread spectrum
- spatial domain
- edge detection
- digital images
- feature extraction
- image blocks
- computer vision
- visual information
- dimensionality reduction
- high quality
- image processing