Secure image transmission based on visual cryptography scheme and artificial neural network-particle swarm optimization-guided adaptive vector quantization.
Surya Sarathi DasKaushik Das SharmaJayanta K. ChandraJitendra Nath BeraPublished in: J. Electronic Imaging (2019)
Keyphrases
- vector quantization
- image compression
- image transmission
- compressed images
- vector quantizer
- wavelet transform
- subband
- compression algorithm
- low bit rate
- discrete cosine transform
- compression ratio
- reconstructed image
- bit allocation
- lossless compression
- computer vision
- coding scheme
- entropy coding
- image processing
- image reconstruction
- multiscale
- face recognition
- error resilient