High Capacity Reversible Data Hiding in Encrypted Images by Patch-Level Sparse Representation.
Xiaochun CaoLing DuXingxing WeiDan MengXiaojie GuoPublished in: IEEE Trans. Cybern. (2016)
Keyphrases
- high capacity
- sparse representation
- reversible data hiding
- image classification
- test images
- image patches
- data hiding
- pixel values
- image data
- sparse coding
- input image
- image features
- image retrieval
- barcode
- data storage
- high dimensional data
- object recognition
- image quality
- data embedding
- face recognition
- dimensionality reduction
- halftone images
- image processing