JPEG image encryption with grouping coefficients based on entropy coding.
Yuan YuanHongjie HeYaolin YangNingxiong MaoFan ChenMuqadar AliPublished in: J. Vis. Commun. Image Represent. (2023)
Keyphrases
- entropy coding
- image encryption
- image compression
- coding method
- transform coefficients
- huffman coding
- lossless coding
- wavelet coefficients
- image coder
- bit plane
- progressive transmission
- lossless compression
- subband
- compression scheme
- wavelet transform
- transform domain
- authentication scheme
- security analysis
- wavelet packet
- compression ratio
- coding scheme
- arithmetic coding
- image coding
- bit rate
- compression algorithm
- reconstructed image
- wavelet domain
- lossy compression
- wireless communication
- data compression
- discrete cosine transform
- low bit rate
- rate distortion
- multiresolution
- compressed images
- variable length
- discrete wavelet transform
- multiscale
- filter bank
- high frequency
- dct coefficients
- computer simulation
- quadtree
- low complexity
- image reconstruction
- natural images
- image quality